NOTE: It is the responsibility of the customer or user’s manageme - PDF document

NOTE: It is the responsibility of the customer or user’s management totrain, educate or supervise his employees in the proper operation andmaintenance of this equipment.ROSCO - A LeeBoy Company688 North Highway 16Denver, North CarolinaTelephone: 704-966-3300www.LeeBoy.com MTA-H HYDROSTATIC &MTA ENGINE DRIVEN ROSCO MANUAL PART NO. 37782OPERATION, MAINTENANCE AND SERVICE MANUAL ii 1.GENERAL INFORMATION.....................SECTION 1INTRODUCTION.........................................................1.2WARRANTY........................................................1.3 - 1.4SPECIFICATIONS...............................................1.5 - 1.82.SAFETY....................................................SECTION 2SYMBOLS...................................................................2.2GENERAL PRECAUTIONS........................................2.3OPERATING................................................................2.4PTO DRIVELINE.........................................................2.4..........................................................2.4HYDRAULICS.............................................................2.5..............................................................2.5STORAGE...................................................................2.5..........................................................................2.6REFUELING................................................................2.6BATTERY....................................................................2.6SAFETY DECALS.......................................................2.6SAFETY DECAL INSTALLATION...............................2.7SIGN-OFF FORM........................................................2.8SAFETY DECAL LOCATION............................2.9 - 2.113.OPERATIONS..........................................SECTION 3GENERAL DESCRIPTION.................................3.2 - 3.3MACHINE BREAK-IN..................................................3.3PRE-OPERATION CHECKLIST..........................3.4 - 3.6OPERATION OF MTA-H UNITS........................3.6 - 3.13OPERATION OF MTA UNITS..........................3.14 - 3.204.MAINTENANCE.......................................SECTION 4INTRODUCTION.........................................................4.2GENERAL MAINTENANCE................................4.2 - 4.5PREVENTIVE MAINTENANCE CHART - MTA-H......4.6PREVENTIVE MAINTENANCE CHART - MTA..........4.7HYDRAULIC FLUIDS..................................................4.8HYDRAULIC FITTING TORQUE CHART...................4.9BOLT TORQUE CHART............................................4.105.TROUBLESHOOTING.............................SECTION 56.PARTS CATALOG...................................SECTION 6 TABLE OF CONTENTS MTA or MTA-H STREET FLUSHER GENERAL INFORMATIONINTRODUCTION.........................................................................................................1.2WARRANTY.........................................................................................................1.3 - 1.4SPECIFICATIONS................................................................................................1.5 - 1.8MTA......................................................................................................................1.5MTA-H..................................................................................................................1.6OPTIONAL EQUIPMENT AND ATTACHMENTS.........................................1.7 - 1.8 MTA or MTA-H STREET FLUSHER routine preventive maintenance procedures for the Model MTA or MTA-H STREET FLUSHER asmanufactured by ROSCO MANUFACTURING COMPANY (ROSCO) of Madison, South Dakota,U.S.A. A parts catalog is also included in this manual to allow for the accurate ordering of repair partsTHIS MANUAL HAS BEEN ORGANIZED INTO SIX (6) MAJOR SECTIONS: GENERAL INFORMATION MAINTENANCE SAFETY TROUBLESHOOTING OPERATION PARTS CATALOGbeen designed into the MTA or MTA-H Street Flusher, it is v tant to: Read this manual thoroughly before operating or servicing the Street Flusher. Keep this manual in a convenient place for ready reference. Not attempt repairs or adjustments you do not understand. If you require additional informationor service, contact your Authorized Rosco Dealer/Distributor.Flusher. These terms are as seen from the driver's seat and facing forward. - It is important to know the Serial Number of this equipment. The Serial NumberPlate is located on the front left lower corner of the tank frame of the FLUSHER directly behind thedrivers side of the truck cab, and a space has been provided below to record it. Use the Serial Numberin all correspondence referring to the Street Flusher and when ordering parts.Serial Number ___________________Production Year __________________- ROSCO MANUFACTURING COMPANY reserves the right to makeTechnical Information - ROSCO MANUFACTURING COMPANY is continuously improving itsproducts. The technical information found in this manual was correct at the time it was approved forpublication. However, if you find differences between your Street Flusher and the information containedin this manual, please contact your local Authorized ROSCO Dealer/Distributor. MTA or MTA-H STREET FLUSHER LIMITED WARRANTY POLICY & PROCEDURESA.WARRANTY1.If a defect in material or workmanship is found and the authorized Dealer is notified during the2.The warranty will begin upon the completion of the warranty form by the initial customer andwill expire after twelve (12) months have passed. The Warranty Card must be filled out within ten3.Engines and truck chassis are warranted by their manufacturers and may have warrantycoverage that differs from that of ROSCO.4.Replacement parts furnished by ROSCO are covered for the remainder of the warrantyperiod applicable to the unit or component in which such parts are installed.5.ROSCO has the right to repair any component or part before replacing it with a new part.6.All new replacement parts purchased by a ROSCO dealer will carry a six (6) month war-ranty. Remanufactured parts purchased by a ROSCO dealer will carry a ninety (90) day warranty.B.LIMITATIONS1.Any defects caused by misuse, misapplication, negligence, accident or failure to maintain or2.Unauthorized alterations.3.Defects or failures caused by any replacement parts or attachments not manufactured by or4.Failure to conduct normal maintenance and operating service, including without limitation,providing lubricants, coolant, fuel, tune-ups, inspections or adjustments.5.Unreasonable delay, as established by ROSCO, in making the applicable units or parts6.The warranty responsibility on all engines and/or truck chassis rests with the respective7.ROSCO may have support agreements with some engine and/or truck chassis manufactur- MTA or MTA-H STREET FLUSHER C.ITEMS NOT COVEREDROSCO is not responsible for the following:1.Charges for travel time, mileage or overtime.2.Charges related to transporting the product to and from the place at which warranty work is3.Freight charges related to transporting repair parts to the place at which warranty work is4.All used units or used parts of any kind.5.Repairs made necessary by normal wear and tear or brought about by abuse or lack of6.Attachments not manufactured or installed by ROSCO.7.Liability for incidental or consequential damages of any type, including, but not limited to lost8.Miscellaneous charges.D.OTHER WARRANTIESTHE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESSED,FOR ANY PARTICULAR USE OR PURPOSE. IN NO EVENT, WHETHER AS A RESULT OFBREACH OF CONTRACT OR WARRANTY, OR ALLEGED NEGLIGENCE OR LIABILITY WITH-CAPITAL, COST OF SUBSTITUTED EQUIPMENT, FACILITIES OR SERVICES, DOWN TIMELIMITED WARRANTY POLICY & PROCEDURES MTA or MTA-H STREET FLUSHER MTA SPECIFICATIONSCAPACITY1,550 to 4,000 rated U.S. gallons.TANK TYPE & MATERIALtank is 7 gauge, minimum 7 gauge surge plates, upper section of tank is 10 gauge. 8 inch sump,INDICATOREquipped with an 80% full indicator.AUXILIARY ENGINE WITH MANUAL PRESSURE SELECTIONWATER PUMPTOP OPENING22 inch diameter with cover.Three (3) adjustable flushing nozzles located as follows: one (1) mid-ship left hand; one (1) mid-ship right hand; one (1) mounted at front right side. Nozzles are 2 piece horizontally split, slotStandard carbon steel in combination with high pressure rubber hose for increased flexibility.LOAD LINETANK MOUNTINGTank is welded to formed steel sills and spring mounted to truck frame with steel angles andExterior of tank primed and painted in customer's choice of color. Interior is sandblasted andI.C.C. clearance lights and reflectors, full width fenders with mud flaps, hose hooks, rear bumper, MTA or MTA-H STREET FLUSHER MTA-H SPECIFICATIONSCAPACITY1,550 to 4,000 rated U.S. gallons.TANK TYPE & MATERIALgauge, minimum 7 gauge surge plates, upper section of tank is 10 gauge. 8 inch sump, 4 inch non-INDICATOREquipped with an 80% full indicator.Variable displacement hydrostatic pump, driven by chassis engine crankshaft (front live power) with fixeddisplacement piston motor and EDC control. 20 gallon pressurized hydraulic reservoir and replaceable 7micron filter. (Truck chassis must be suitable for front live power.)AUTO PRESSURE CONTROLPressure set with a dial on control panel (water pressure gauge on panel). Maintains constant waterpressure regardless of speed between 3 - 25 mph. (Speed range depends on drive train specifications.)WATER PUMP750 GPM single stage high pressure water pump with 4 inch intake and 4 inch discharge.POWER TAKEOFFtruck transmission, with shifting control in truck cab if transmission PTO provides for live power.TOP OPENING22 inch diameter with cover.Three (3) adjustable flushing nozzles located as follows: one (1) mid-ship left hand; one (1) mid-ship righthand; one (1) mounted at front right side. Nozzles are 2 piece horizontally split, slot type nozzles.Standard carbon steel in combination with high pressure rubber hose for increased flexibility.LOAD LINETANK MOUNTINGTank is welded to formed steel sills and spring mounted to truck frame with steel angles and bolts onExterior of tank primed and painted in customer's choice of color. Interior is sandblasted and coated withI.C.C. clearance lights and reflectors, full width fenders with mud flaps, hose hooks, rear bumper, MTA or MTA-H STREET FLUSHER SPECIFICATIONS - Optional Equipment and AttachmentsTHE FOLLOWING ITEMS MAY BE USED ON MTA AND MTA-H FLUSHERS UNLESS NOTEDPTO DRIVEN HYDROSTATIC PUMPDriven from truck transmission. (MTA-H only)Includes skirting with catwalks, engine compartment, other compartments when required.Complete with solenoid controlled valve and cab control.SPRINKLER ATTACHMENT For Use on Unpaved StreetsTwo (2) cylindrical brass heads mounted vertically, with cab control and mounted at rear of truck.FIRE FIGHTING ATTACHMENTSUCTION FILLING ATTACHMENTFor filling flusher tank from other than hydrant. For transferring water, pumping out basements,PRIMER PUMP, FOOT VALVE AND STRAINERFor use with suction filling attachment.Two (2) lengths of 3 inch X 10 foot rubber suction hose for use with suction filling attachment.EIGHT FOOT SPRAYBARWith nozzles, mounted at rear including ON/OFF controls in the cab.REMOTE WATER CANNONFor controlled high pressure spraying. Cab controlled water turret mounted on top front of tank.TOOL BOXTANK SIGHT GAUGEREMOTE RH MIRRORControlled from inside the cab, 4-way. MTA or MTA-H STREET FLUSHER SPECIFICATIONS - Optional Equipment and AttachmentsDUMP VALVEFull opening, with ON/OFF control in the cab, for fast unloading for sewer flushing, ice rinkflooding etc. Air operated from the truck air brake system.WATER RECIRCULATING FOR COLD WEATHER OPERATIONPUMP WATER SUCTION STRAINERStrains water before entering pump. Prevents pump damage and nozzle clogging.ELECTRIC WORK LIGHTSOne (1) located mid-tank curb side. One (1) located on rear tank head.LOADING HOSE MTA or MTA-H STREET FLUSHER SYMBOLS...................................................................................................................2.2GENERAL PRECAUTIONS........................................................................................2.3OPERATING................................................................................................................2.4PTO DRIVELINE..........................................................................................................2.4..........................................................................................................2.4HYDRAULICS.............................................................................................................2.5..............................................................................................................2.5STORAGE...................................................................................................................2.5..........................................................................................................................2.6REFUELING................................................................................................................2.6BATTERY....................................................................................................................2.6SAFETY DECALS.......................................................................................................2.6SAFETY DECAL INSTALLATION................................................................................2.7SIGN-OFF FORM........................................................................................................2.8SAFETY DECAL LOCATION.............................................................................2.9 - 2.11 MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company This Safety Alert symbol meansATTENTION! BECOME ALERT!YOUR SAFETY IS INVOLVED!The Safety Alert symbol identifiespersonal injury or death. Follow the*Accidents Can be AvoidedSignal Words Note the use of the signal words with the safetymessage. The appropriate signal word forsevere personal injury or deathWARNINGA specific hazard or unsafesevere personal injury or deathresult in personal injury if properreminder of good safety Throughout this manual, whenever you see this "Broken Bolt" symbol, it means:ATTENTIONEquipment on the machine could be damaged throughSAFETY ALERT SYMBOLS MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company You are responsible for the safe operation and maintenance of your Rosco Street Flusher. Youmachine is familiar with the operating and maintenance procedures. Special attention should beprovided initially to operators or employees before allowing them to operate the Street Flusher,and at least annually thereafter.The most important safety device on this equipment is a well trained and safe operator. It is his/operate the Street Flusher. An untrained operator exposes himself/herself and bystanders to modify the Street Flusher in any way. Unauthorized modification may impair function and/ for accident or injury incurredSAFETY PRECAUTIONS 1.Always read and fully2.It is wise to have a first aid3.Keep a chargedfire may occur. Also be sure youType A: Wood, paper, textileType B: Flammable liquidType C: Electrical equipment4.Be sure to wear safewell fitted and in goodrepair. Do not wear rings,working on machinery.moving parts causing serious injury. Wear sturdy,rough-soled work shoes, safety glasses and any5.Keep work area organizedand clean. Wipe up oil spills ofany kind. Keep tools and partsoff floor. Eliminate the possibilityof a fall which could result ininjury.6.Wear appropriate ear protection MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company 10.Keep all hydraulic lines, fittings and couplerstight and free of leaks before using.11.DO NOT go under the vehicle when theengine is running.PTO DRIVELINE1.Stay away from rotatingdrive line. Hands, feet, hairon rotating parts and cause2.DO NOT go under vehicle when the engine3.DO NOT work on the PTO driveline when4.DO NOT engage or disengage PTO by hand5.Shut off engine and remove ignition key1.Follow ALL operating, maintenance andsafety information in the manual.2.Support the machine with blocks or safety3.Place all controls in neutral, stop engine,remove ignition key and wait for all moving partsto stop before servicing, adjusting or repairing.4.Follow good shoppractices. Keep service areaclean and dry. Be sure electricalgrounded. Use adequate light for 7.DO NOT hurry! Useof support when getting onand off the Street Flusher.Keep steps, floor, hand holdsfrom grease. Face theOPERATING1.DO NOT allow riders on the Street Flusherwhen transporting.2.Clean reflectors and lights beforetransporting.3.Clear the area of people before starting or4.Place all controls in neutral, stop engine, setpark brake, remove ignition key and wait for allmoving parts to stop before servicing, adjusting,5.Reinstall safety devices, guards or shields6.After servicing, be sure that all tools, parts orservicing equipment are removed from the vehicle7.Keep hands, feet, hair andclothing away from moving parts.8.DO NOT go into the tank.equipment and training. Serious injury or deathoxygen. Keep others out.9.When using the chemical injection system,be sure to follow safe practices. Wear safetyglasses and other appropriate gear. Follow local, MTA or MTA-H STREET FLUSHER 5.Make sure all guards are in place and6.Never wear ill-fitting, baggy or frayedclothing when working around or on any of thedrive system components.7.Before applying pressure to a hydraulic8.DO NOT go into the tank. Entry into aconfined space requires special equipment andtraining. Serious injury or death can result due topoisonous gasses or lack of oxygen. Keep others9.Keep hands , feet, hair andclothing away from moving parts.10.Clear the area of bystanderswhen performing any maintenance, repairs orHYDRAULICS1.Make sure that all components in the2.Replace any worn, cut, abraded, flattened or3.DO NOT attemptclamps or cements. Theunder extremely high pressuresand such repairs could cause serious injury.4.Wear proper hand andleak. Use a piece of wood orand identify leaks. Insure all pressure is relieved5.If injured by a concentrated high pressureimmediately. Serious infection or toxic reaction1.Make sure you are in compliance with alllocal regulations regarding transporting equipment2.Make sure the lights and reflectors that arerequired by local highway and transport authoritiesbe seen clearly by all overtaking and oncoming3.If your machine is equipped with a spraybar,transporting.4.DO NOT exceed 55 m.p.h. (90 km/h) whentransporting the machine. Reduce speed on5.DO NOT drink and drive. Use seat belts.STORAGE1.Store the Street Flusher in an area awayfrom human activity.2.DO NOT permit children to play on or around3.Make sure the unit is stored in an area that isfirm, level and free of debris. MTA or MTA-H STREET FLUSHER 1.Failure to follow proper procedures when2.DO NOT attempt to mount a tire unless youthe job.3.Have a qualified tire dealer or repair service4.Support the machine with blocks or safety5.DO NOT inflate tires beyond the maximumrecommended inflation pressure. NEVER run avehicle on one tire of a dual assembly. The1.Handle fuel with care. It is highly flammable.DO NOT over fill fuel tank as over fill creates a fire2.Clean up spilled fuel before restarting3.DO NOT refuel the machineflame or sparks. DO NOT refuelwith engine running.4.Fill fuel tank outdoors. Keep the hose nozzleor the funnel and container in contact with the5.Prevent fires by keeping machine clean ofBATTERY1.Keep all sparks and flames away from2.Wear safety glasses when working nearbatteries. If you come in contact with batteryelectrolyte solution wash off immediately.3.DO NOT tip batteries more than 45 degrees4.To avoid injury from spark or short circuit,any part of the electrical system.5.Use jumper cables ONLY in recommendedmanner. Improper use can result in battery1.Keep safety decals and signs clean andlegible at all times.2.Become familiar with the content and theposition of each safety decal. Important3.Replace safety decals and signs that are4.When replacing parts, be sure to check thatany safety decals that were on the original partare also on the new part.5.Obtain safety decals or signs from yourAuthorized ROSCO Dealer/Distributor. MTA or MTA-H STREET FLUSHER DECAL INSTALLATION1.Be sure that the installation area is clean anddry. Use hot soapy water and dry the area2.Decide on the exact position by takingmeasurements and test fitting before you removeany of the backing paper.3.For decals with no top protection paper,paper.4.Align the decal over the specified area andcarefully press the small portion with the exposedadhesive backing in place.5.Slowly peel back the remaining paper andcarefully smooth the remaining portion of the decal6.Small air pockets can be pierced with a pinpaper.7.If the decal has a protective top paper, useis being applied. Leave wet. After deciding on theThis will help to alleviate air bubbles in the finished7a.Smooth the decal into place with a squeegee7b.Small air pockets may be pierced with a pinand smoothed out. When the decal is completelysmoothed out, carefully remove the top paper. MTA or MTA-H STREET FLUSHER of Automotive Engineers (SAE) and the Occupational Safety and Health Administration(OSHA). Anyone who will be operating and/or servicing the Street Flusher must read andclearly understand all safety, operating and maintenance information presented in this manual.reviewed. Annually review this information before the season start-up. Make these periodicreviews of Safety and Operation a standard practice for all your equipment. An untrainedemployee is unqualified to operate this machine.This sign-off form is provided for your record keeping to show that all personnel who will beworking with the Street Flusher have read and understand the information in the Operator'sManual and have been instructed in the operation of this equipment. DATEEMPLOYEES SIGNATUREEMPLOYERS SIGNATURE MTA or MTA-H STREET FLUSHER SAFETY DECAL LOCATIONGood safety requires that you familiarize yourself with the various safety decals, the type ofwarning and the area, or the particular function related to that area, which requires your safetyRefer to the Parts Section of this manual for a complete list of decals affixed to your Flusher.THINK SAFETY!WORK SAFELY! Part #36236Located on rear window of cab. Part #37000Located on top of tank at ladder.Part #37763 THIS VEHICLE IS EQUIPPED WITH ABACK UP ALARM. WHEN BACKING, THETHE OPERATOR IS RESPONSIBLE FORTHE FOLLOWING DECALS APPEAR ON MTA and MTA-H UNITS:Part #36237Located on rear window of cab. MTA or MTA-H STREET FLUSHER SAFETY DECAL LOCATIONPart #38480Located on top of tank lid. WARNINGIS THE RESPONSIBILITY OFMANAGEMENT TO TRAIN,EDUCATE & SUPERVISE HISEMPLOYEES IN THE PROPEROPERATION & MAINTENANCEOF THIS EQUIPMENT.THE FOLLOWING DECALS APPEAR ON MTA UNITS ONLY: DANGER Proposition65Warning WARNING Part #35870Part #37243Part #72627Located at rear of unit near battery.Part #53495Located on rear window of cab. MTA or MTA-H STREET FLUSHER SAFETY DECAL LOCATION THE FOLLOWING DECALS APPEAR ON MTA-H UNITS ONLY AND MAY VARY, DEPENDING ON Part #36396truck frame behind the cab.









  

  

 















  

 

  
  Part #37664Located on hydraulic reservoir.Part #37684Located on hydraulic reservoir. MTA or MTA-H STREET FLUSHEROPERATION GENERAL DESCRIPTION...................................................................................3.2 - 3.3MACHINE COMPONENTS..........................................................................3.2 - 3.3MACHINE BREAK-IN..........................................................................................3.3PRE-OPERATION CHECKLIST...........................................................................3.4 - 3.6OPERATION OF MTA-H UNITS.........................................................................3.6 - 3.13CONTROLS..................................................................................................3.6 - 3.8LOADING....................................................................................................3.9 - 3.10TRANSPORTING..............................................................................................FLUSHER SHOES............................................................................................3.10SPRAYING..............................................................................................3.10 - 3.11OPERATING HINTS..........................................................................................3.11UNLOADING.....................................................................................................3.12STORAGE.........................................................................................................3.12STARTING THE NEW SEASON.............................................................3.12 - 3.13OPERATION OF MTA UNITS..........................................................................3.14 - 3.20CONTROLS.............................................................................................3.14 - 3.15LOADING.................................................................................................3.16 - 3.17TRANSPORTING..............................................................................................FLUSHER SHOES............................................................................................3.17STARTING AUXILIARY ENGINE.......................................................................3.18COLD WEATHER STARTING...........................................................................3.18SPRAYING..............................................................................................3.18 - 3.19STOPPING........................................................................................................3.19OPERATING HINTS..........................................................................................3.19UNLOADING.....................................................................................................3.19STORAGE.........................................................................................................3.20STARTING THE NEW SEASON.......................................................................3.20 MTA or MTA-H STREET FLUSHER OPERATIONIt is very important that the Street Flusher owners and operators fully realize the overalloperating procedures of the equipment furnished. Complete understanding of the enclosedprocedures will insure safe operation and maximum efficiency.The ROSCO Street Flushers are designed to transport and apply water to road surfaces.surfaces or for other uses. It can be loaded through the manhole cover on top or the fill system.hydrostatic system on the MTA-H, or a separate auxiliary engine on the MTA. The hydrostatictruck engine transmission via the PTO.A control panel for the Street Flusher and for PTO engagement is mounted in the truck cab.Brass nozzles are mounted at front, midship or rear of the unit. Optional spray bar and sprinklerMACHINE COMPONENTS (All Units UnlessTank: A steel tank for holding water.Top Opening: Provides an opening to fill the Provides a method for the operator toget to the top opening cover. A mechanical float and rod,located at the front top of the tank, that contactsthe material when the tank is 80% full. Mounted in a convenientlocation in the cab. It is used to measure, monitorand control operation of the Street Flusher. Are located at the front, midshipand/or rear. They direct a flat spray of water ontoDrain Valve: The drain valve (petcock) islocated on the lowest part of the piping system toDump Valve Control: the dump valve under the tank to unload anyAnti-Siphon Fill System: To load tank. The electric or manual rewind hoseCircuit Valve: (Only provided with suction filloption). The manually controlled valve is locatedbetween the pump and tank. Opening valveHydrostatic Pump: (MTA-H) The variabledisplacement pump, mounted on the front of thetruck or to the truck frame behind the cab, isoperate the water pump.Hydraulic Tank: MTA-H) The tank contains MTA or MTA-H STREET FLUSHEROPERATION Hydrostatic Motor and Water Pump:(MTA-H)The fixed displacement motor operates the waterpump and maintains water to flusher shoes.Auxiliary Engine and Water Pump: (MTA)The rear mounted auxiliary engine is directlyconnected to the water pump. The speed of theOptional Spraybar: The rear mounted 8 footMACHINE BREAK-IN (All Units)recommended that the following mechanical itemsand all safety decals before starting.before starting.Lubricate pump bearing with multi-purposePerform truck break-in checks.pinched or crimped.Repeat all checks described in part B.defined in this manual. MTA or MTA-H STREET FLUSHER OPERATION VISUAL INSPECTIONhardware. Tighten as required.the machine and nozzles. Tighten as required totheir specified torque. (See torque requirements)Check for any loose components. Adjust,4a.(MTA-H) Check the condition of all hydrauliclines, couplers, fittings and connections. Reroute,damaged or loose.4b.(MTA) Check all fluid levels on the auxiliarySERVICE AND MAINTENANCEPerform all truck and engine service checksROSCO multipurpose grease.Check all fluid levels: engine oil, hydraulicreservoir, battery, coolant and gearbox. Fill or addstarting..Check for loose or missing hardware orfasteners. Tighten or replace.Check the air, hydraulic and water lines anddamaged components. Tighten fittings or replaceCheck the angle of each flusher shoe. Besure they are all set at the same angle.FUNCTIONAL CHECK (MTA-H)Truck Engine:Start the truck engine and run at low idle.CAUTION: Be sure shoes, sprinklersTurn the Control Panel (system power) in thecab ON to activate the system.If PTO driven, engage the PTO:THE PRE-OPERATION CHECKLIST (All Units Unless Otherwise Noted)understands the operating procedures and safety precautions outlined in this section. A pre-operation check list is provided for the operator. It is important for both personal safety andmaintaining good mechanical condition of the machine that this checklist is followed.Included in this section is a functional check. It is recommended that a functional check be doneon each system and major component to insure that it functions properly before starting work.Use 2 people when performing the functional checks, one in the truck cab to run the engine andPRE-OPERATION CHECKLIST MTA or MTA-H STREET FLUSHEROPERATION Manual Transmission: Depress the clutch pedal,place transmission in neutral, engage PTO andrelease clutch pedal. The hydraulic andAutomatic Transmission: Apply the vehicletransmission in DRIVE, engage PTO, placetransmission in PARK, reapply the parking brake It may be necessary to let the truck creepforward slightly to allow the PTO to engage. BeCheck that the PTO driveline is turning. Front live models have PTO turning constantlyto supply fluid to the hydrostatic system.set pressure at all operating conditions. It ispressure. To check the system:Set the system to produce a circuitthem OFF.Move the Master switch to the ON position.a time. This will allow water to flow to each shoe.Watch the pressure gauge. It should dropoperating condition. If it does not, determine thesource of the problem and correct before startingusing the control potentiometer on the ControlPanel. The pressure will go up or down with theengine rpm. To check the system:Set the system to produce a circuitthem OFF.Move the Master switch to the ON position.a time. This will allow water to flow to each shoe.Watch the pressure gauge. It should dropoperating condition. If it does not, determine thesource of the problem and correct before startingVISUAL CHECK (MTA-H)Be sure there are no leaks before starting to usethe machine. Reroute any damaged components.Check for loose parts. Be sure all are tightbefore starting.FUNCTIONAL CHECK (MTA)Start the remote engine and run at low idleuntil warmed up.CAUTION: Bring engine up to 1000 to 1500 rpm range.Activate nozzle switches for flusher shoes.Control Panel to activate nozzles. Adjust engineIf any functional problems occur, identify thecause and correct before starting. MTA or MTA-H STREET FLUSHER OPERATIONCONTROLS FOR MTA-H UNITSwith the location and function of all controls before starting. Controls are located in the cab andat the rear of the machine for operator convenience. Use this section of the manual as a guideto control operation when training operators. Your unit may have slightly different switches orcontrols depending on the options ordered with your unit. Refer to detail on page 8. IN-CAB CONTROL PANELWork Lights: Turn switch to ON to turn WorkLights on. Place in OFF to turn Work Lights off.Beacon Light Switch: position to turn Beacon Light on. Place in OFF toTank Level Indicator-EMPTY: A light comes onwhen the water tank is near empty. When theautomatically shuts down, shutting off power to thewater pump when operating in AUTO mode.Water Pressure Gauge: Shows water pressurerange from 0 to 200 psi. Maintain pressure belowWater Pressure Selector Control: Rotate knobto obtain operating pressure level. Pressure levelWater Pressure Auto/Manual Switch: Placeswitch in the AUTO position to hold pressure seton the Water Pressure Selector Control. When inthe pressure if it varies slightly. When the switchis in the MANUAL position, the Water Pressureand allows the pressure to vary with the speed ofSystem Power: Turn switch ON to engagepumping system and allow Flusher to spray. Thepanel must be turned ON before machine can be Switches operate flusher(right hand) sides. Turn switch ON to operateflusher shoes, and OFF to stop water flow. Controls power to nozzleswitches. This switch allows you to control powerDump Valve: Turn this switch ON to open thedump valve and empty the tank. Turn switch OFFVISUAL CHECK (MTA)Be sure there are no leaks before starting to usethe machine. Reroute any damaged components.Check for loose parts. Be sure all are tightbefore starting. MTA or MTA-H STREET FLUSHEROPERATION Sprinklers ON/OFF: (Optional) Turn the switchON to operate sprinkler for the front or rear.Turn switch OFF to stop the water flow.Hydraulic Oil Temperature: (Optional) is too high (210°F or 99°C). Check oil level.Check to see if oil cooler is blocked. Failure tocorrect the problem will cause serious componenton the back of the unit. Remove crank from storage location and Push the button located on the right sideof the reel to rewind the hose. MTA or MTA-H STREET FLUSHER OPERATIONMTA-H Control Panel MTA or MTA-H STREET FLUSHEROPERATION OPERATING THE MTA-Hsection referring to that operation prior to starting. WARNING:Read manual before starting.Train all operators before they work with this machine.Wear protective gear and clothing.All operators must meet all state and local licensing requirements.OPERATION INSTRUCTIONS LOADINGenvironment. The tank can be loaded by either thetop opening or the tank load line. Optional suctionwater pump on the Flusher.Top Opening and Load Line Loading:.Review and follow the Pre-OperationChecklist before starting. Be sure all systems arefunctional and in good repair.Move the unit to the hydrant, storage tank orand open the top opening cover or connect the.Open the hydrant or start the pump on thestorage tank or transfer vehicle to load the tank. IfFill until the tank is 80% to 90% full. ObserveStop hydrant. Remove hose from topOperate Flusher when at location.Check that all drain valves, petcocks and thedump valve are closed.Open the valve between the primer and thewater pump.Using the primer handle, pump until waterStart the flusher and run the water pump.valve between the primer and the water pump. MTA or MTA-H STREET FLUSHER OPERATIONFill until the tank is 80% to 90% full. ObserveDisconnect suction hose and store inappropriate holder.area to the work site or between sites. Everydriver should be trained and follow defensivedriving practices. Obey all traffic laws.Vehicle:Check with local transport authorities to be sure.on a public road. Be sure all bulbs are working.by oncoming and overtaking traffic.DO NOT drink and drive.distance than an unloaded vehicle. Allow extrabasis. Tighten as required.When the tank is loaded, do not operate thebe transported long distances. (Prevents damagefrom gravel and rock impacting the nozzle spraywith the 12 ft (3.66m) spraybar. Secure withanchor chains before transporting.particular situation found on each street such asconstruction, crown profile widths, type of sewagesystem and water availability. Review the jobSet Flusher shoes to obtain maximumSet shoes so water strikes pavement 4 to 6feet (1.2 to 1.8m) from shoe if dirt is heavy orSPRAYINGposition and function of applicable controls. MTA or MTA-H STREET FLUSHEROPERATION Move the System Power switch to the ONhave been performed:be operating, be sure that switch is OFF.required speed before it gets to the spraying startPlace the truck in the desired gear, axle ratioProceed toward the start point.Activate the Spray Master switch to startspraying at the desired start point. The valves forspraying will start.Watch the Water Pressure gauge on theControl Panel. Be sure the ground speed staysconstant. Adjust the Water Pressure Selectorwhen the tank is empty, turn the Spray Masterswitch OFF. If the tank runs empty, the Low Levelindicator light on the Control Panel will come onand the hydraulics will automatically shut offpower to the pumps.ATTENTION:Do not let the pump rundry. Running the pump without liquidwill destroy the seal assembly.OPERATING HINTSTo achieve the most efficient use of this unit, followOperate the truck at 4 to 8 m.p.h. (6 to 13k.p.h.) to obtain the best operating conditions.Keep the speed down to maintain a safe workingCAUTION: Set the parking brakecab. Block the tires to prevent theWARNING:Clear everyone from thetimes. Damaged or worn components can failDrain water tank when the ROSCO Flusherwill not be used for more than several days. OpenATTENTION:Water remaining in MTA or MTA-H STREET FLUSHER OPERATION UNLOADINGsafe working environment. When unloading theOpen the valve at the bottom of the sump.Open petcock in the pump piping. Empty the tank.Close petcock and valve at bottom of sump.engage Dump Valve switch on Control Panel. Waituntil the tank is empty. Close the dump valve.STORAGEAt the end of the season, the machine should bebeginning of the next season. Follow thisIf the machine is heavily caked with dirt, itthroughout the system. The standard drains areOpen drain valve at bottom of pump housing.Drain water from water pump. Close drain valve.Lubricate all grease points. Make sure allgrease cavities have been filled with grease. SeeTop up all fluid levels to minimizefittings and cylinders. Tighten any loose fittings.abraded or is separating from the crimped end of aInspect all water hoses and fittings. Replaceany hose that is badly cut, nicked or separating.Check the condition of all safety decals. Ifreplacements immediately. Install the replacementCAUTION:Repaint the skirting if water action has wornEvery month during storage, start the truckand run for 30 minutes to charge the battery. Analternative would be to remove the battery fromthe battery compartment during the storage time.WARNING:away from human activity. Do notSTARTING THE NEW SEASONUse the truck manual as a guide to servicethe truck before starting. Replace battery if it was MTA or MTA-H STREET FLUSHEROPERATION other hardware and fasteners. Tighten asCheck all lines and fittings. Repair, replaceor tighten as required.Lubricate all grease fittings on water pump.pump.defective parts before starting.Checklist before starting.starting. MTA or MTA-H STREET FLUSHER OPERATIONCONTROLS FOR MTA UNITSwith the location and function of all controls before starting. Controls are located in the cab foroperator convenience. Use this section of the manual as a guide to control operation whentraining operators. Your unit may have slightly different switches or controls depending on theoptions ordered with your unit. Refer to detail on page 15.IN-CAB CONTROL PANELWork Lights: Turn switch to ON to turn WorkLights on. Place in OFF to turn Work Lights off.Beacon Light Switch: position to turn Beacon Light on. Place in OFF toTank Level Indicator-EMPTY: when the water tank is near empty.engine. If oil pressure is too low, the automaticWater Pressure Gauge: Shows water pressurerange from 0 to 200 psi. Maintain pressure belowWater Temperature Gauge: Shows coolantTachometer: Indicates engine speed in rpm andguides the operator to select the most desirableVoltmeter: Shows the voltage for the auxiliary Increase throttle speed by pressing up Insert key and turn to start the auxiliaryEngine Warning Light: The light will come on toor alternator not charging on auxiliary engine. Switches operate flusher(right hand) sides. Turn switch ON to operateflusher switches and OFF to stop water flow. Controls power to nozzleswitches. This switch allows you to control powerDump Valve: Turn switch ON to engage thedump valve and empty the tank. Turn switch OFFTank Level Indicator-FULL: (Optional) A lightSprinklers ON/OFF: (Optional) Turn the switchON to operate sprinkler for the front or rear.Turn switch OFF to stop the water flow. Remove crank from storage location and Push the button located on the right sideof the reel to rewind the hose. MTA or MTA-H STREET FLUSHEROPERATION ROSCO - A LeeBoy Company MTA Control Panel MTA or MTA-H STREET FLUSHER OPERATIONOPERATING THE MTAsection referring to that operation prior to starting.WARNING:Read manual before starting.Train all operators before they work with this machine.Wear protective gear and clothing.OPERATION INSTRUCTIONS LOADINGenvironment. The tank can be loaded by either thetop opening or the tank load line. Optional suctionwater pump on the Flusher.Top Opening and Load Line Loading:.Review and follow the Pre-OperationChecklist before starting. Be sure all systems arefunctional and in good repair.and open the top opening cover or connect the.Open the hydrant or start the pump on thestorage tank or transfer vehicle to load the tank. IfFill until the tank is 80% to 90% full. ObserveStop hydrant. Remove hose from topOperate Flusher when at location.dump valve are closed.Open the valve between the primer and thewater pump.Using the primer handle, pump until water MTA or MTA-H STREET FLUSHEROPERATION Start the flusher and run the water pump.valve between the primer and the water pump.Fill until the tank is 80% to 90% full. ObserveDisconnect suction hose and store inappropriate holder.area to the work site or between sites. Everydriver should be trained and follow defensivedriving practices. Obey all traffic laws.Vehicle:Check with local transport authorities to be sure.on a public road. Be sure all bulbs are working.by oncoming and overtaking traffic.DO NOT drink and drive.distance than an unloaded vehicle. Allow extrabasis. Tighten as required.When the tank is loaded, do not operate thebe transported long distances. (Prevents damagefrom gravel and rock impacting the nozzle spraywith the 12 ft (3.66m) spraybar. Secure withanchor chains before transporting.particular situation found on each street such assystem and water availability. Review the jobSet Flusher shoes to obtain maximumSet shoes so water strikes pavement 4 to 6feet (1.2 to 1.8m) from shoe if dirt is heavy or MTA or MTA-H STREET FLUSHER OPERATIONSTARTING AUXILIARY ENGINEThe auxiliary engine is started from the truck cab,using a key. Insert the key into the ignition andturn to start the engine.COLD WEATHER STARTINGThe direct-injected Cummins diesel engine startswell in cold weather. If it is necessary to use etheras a starting aid, do it promptly. Read and followthe steps below, and those of the ethermanufacturer, for safe and effective use.you spray starting fluid into the air cleaner for nodirectly into the air inlet piping or the intakeon the gauge within 30 seconds after starting.DANGER:Never use ether near openflames or with pre-heater or glo-plugs.WARNING:starting fluid fumes. They are harmful.ATTENTION:Do not use excessiveamounts of ether starting fluid whenstarting the engine. (No more than 2seconds per time.) Using too muchether starting fluid will cause engineIf your unit is equipped with an Automatic Etherweather starting:amount of ether starting fluid by pushing the Etheron the gauge within 30 seconds after starting.Never inject ether for more than two (2)SPRAYINGposition and function of applicable controls.be operating, be sure that switch is OFF.Start the auxiliary engine and bring rpm up(100 psi maximum). Set engine speed to maintainconstant operating water pressure.required speed before it gets to the spraying start MTA or MTA-H STREET FLUSHEROPERATION Place the truck in the desired gear, axle ratioProceed toward the start point.Activate the Spray Master switch to startspraying at the desired start point. The valves forspraying will start.Watch the Water Pressure gauge on theControl Panel. Be sure the ground speed staysconstant. Adjust the auxiliary engine speed to givewhen the tank is empty, turn the Spray Masterswitch OFF. If the tank runs empty, the Low Levelindicator light on the Control Panel will come on.Immediately stop the auxiliary engine. Shut offwater to all nozzles and refill the tank. Do not letthe pump run dry.ATTENTION:Do not let the pump rundry. Running the pump without liquidwill destroy the seal assembly.STOPPINGTo stop spraying, lower the auxiliary engine speedto idle. Shut down all nozzles on the Control Panelby pushing switches DOWN. Turn off engine.OPERATING HINTSTo achieve the most efficient use of this unit, followOperate the truck at 4 to 8 m.p.h. (6 to 13k.p.h.) to obtain the best operating conditions.Keep the speed down to maintain a safe workingCAUTION: Set the parking brakecab. Block the tires to prevent theWARNING:Clear everyone from thetimes. Damaged or worn components can failDrain water tank when the ROSCO Flusherwill not be used for more than several days. OpenATTENTION:Water remaining inUNLOADINGsafe working environment. When unloading theOpen the valve at the bottom of the sump.Open petcock in the pump piping. Empty the tank.Close petcock and valve at bottom of sump.engage Dump Valve switch on Control Panel. Waituntil the tank is empty. Close the dump valve. MTA or MTA-H STREET FLUSHER OPERATIONSTORAGEbeginning of the next season. Follow thisIf the machine is heavily caked with dirt, itthroughout the system. The standard drains areDrain water from water pump. Close drain plug.Lubricate all grease points. Make sure allgrease cavities have been filled with grease. SeeTop up all fluid levels to minimizefittings and cylinders. Tighten any loose fittings.abraded or is separating from the crimped end of aInspect all water hoses and fittings. Replaceany hose that is badly cut, nicked or separating.Check the condition of all safety decals. Ifreplacements immediately. Install the replacementCAUTION:Repaint the skirting if water action has wornEvery month during storage, start the truckand run for 30 minutes to charge the battery. Analternative would be to remove the battery from thebattery compartment during the storage time.WARNING:away from human activity. Do notSTARTING THE NEW SEASONUse the truck manual as a guide to servicethe truck before starting. Replace battery if it wasother hardware and fasteners. Tighten asCheck all lines and fittings. Repair, replaceor tighten as required.Lubricate all grease fittings on water pump.pump.defective parts before starting.Checklist before starting.starting. INTRODUCTION--------------------------------------------------------------------------------4.2GENERAL MAINTENANCE-----------------------------------------------------------4.2 - 4.5TRUCK---------------------------------------------------------------------------------------4.2TANK------------------------------------------------------------------------------------------4.2DRAINING-----------------------------------------------------------------------------------4.2TANK COMPONENTS-------------------------------------------------------------4.2 - 4.3FLUSHER SHOES------------------------------------------------------------------------4.3HYDRAULIC RESERVOIR--------------------------------------------------------------4.3HYDRAULIC OIL FILTER----------------------------------------------------------------4.3---------------------------------------------------------------------------------4.3 - 4.4SOLENOIDS--------------------------------------------------------------------------------4.4WATER PUMP------------------------------------------------------------------------------4.4SKIRTING-----------------------------------------------------------------------------------4.4AIR LINES-----------------------------------------------------------------------------------4.4ELECTRICAL ITEMS---------------------------------------------------------------------4.4AUXILIARY ENGINE----------------------------------------------------------------------4.4SPRAYBAR AND COMPONENTS---------------------------------------------4.4 - 4.5FLUIDS AND LUBRICANTS-----------------------------------------------------------4.5GREASING----------------------------------------------------------------------------------4.5PREVENTIVE MAINTENANCE CHART - MTA-H-------------------------------------4.6PREVENTIVE MAINTENANCE CHART - MTA----------------------------------------4.7HYDRAULIC FLUIDS--------------------------------------------------------------------------4.8HYDRAULIC FITTING TORQUE CHART------------------------------------------------4.9BOLT TORQUE CHART---------------------------------------------------------------------4.10MTA / MTA-H STREET FLUSHER ROSCO - A LeeBoy Company Maintenance4-2MTA or MTA-H STREET FLUSHER followed to obtain long life and best performance from your ROSCO Street Flusher.ROPERLYAINTAINEDQUIPMENT The operator of the Street Flusher shouldinspect the machine daily. The operator is responsible for seeing that worn or damaged partsare replaced or repaired to prevent damage to other areas of the machine. Daily inspectionsshould include observation for loose bolts, fluid leaks, worn or damaged hoses, debris or dirtaccumulations which could cause a potential service or safety problem.MACHINE. The first and most important requirement for satisfactory Street Flusherperformance is a clean machine. Many equipment failures are due to accumulations of excessdirt and neglected adjustments and lubrication.USE THE PREVENTIVE MAINTENANCE CHART AT THE END OF THIS SECTIONTO SET UP AND RECORD ALL SCHEDULED MAINTENANCE.When the Street Flusher will not be used forto drain the tank. Follow the unloading procedurein the of this manual toTANK COMPONENTSEvery 40 hours or weekly, check theoverflow tube on the top of the tank. Clean ifnecessary.head to indicate the amount of water in the tank.clamps. Wooden blocks are mounted betweenloads and act as wear surfaces. During use, theto be tightened. Keep the hardware tight at alltimes to prevent the tank from shifting on theframe. The best time to check the hardware is atthe start of the day. To tighten:Perform all service functions on the vehicle asdefined in the truck Operator's Manual. This willCheck fuel level. Add as required.Check engine oil level. Add as required.Check coolant level. Add as required.levels. Add as required.Check all belts and hoses. Replace asTANKIf tank requires internal maintenance, hire trainedDANGER: DO NOT go into thetank. Entry into a confined spacerequires special equipment andtraining. You can be seriously MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company controls in neutral. Set parking brake andremove ignition key.Tighten the anchor bolts. Measureflusher shoes. Replace shoes when broken.Ensure the two-piece assembly of flushershoe is secured together.HYDRAULIC RESERVOIRthe side or front of the Street Flusher. If it islocated on the side of the truck, it is accessiblethrough the side doors. Operators should checktank. Clean the cap and filler neck before filling sono dirt or contaminants enter the tank.Hydrostatic systems will fail in a short time if theChange the oil in the reservoir annually. Thedrain plug is located in the bottom of the tank. It iscontaminants. Use a large pail or container tocollect the used oil. Dispose of used oil in anapproved manner. Reinstall drain plug. See chart Fill to lower level of filter screen inWARNING: Always wearface shield. Contact with hot oil cancause severe burns. NEVERHYDRAULIC OIL FILTERThe hydraulic system is equipped with an oil filterto remove dirt and other contaminants. It isahead of the oil resevoir. To check the conditionStart the engine. Run the engine at 1200Engage the PTO (if necessary) to operatetemperature of 140° F (60° C) is achieved. Coldthe top of the filter. If the pointer is not in the redarea, the filter does not need to be changed.times or if the pointer is in the red area of theEach day before starting work, check allcracks and that all fittings and connections aretight. Repair or replace damaged parts.WARNING: Refer to the of this manual before Maintenance4-4MTA or MTA-H STREET FLUSHER DANGER: Serious infection orhydraulic fluid piercing the skin. Ifinjured by high pressure hydraulicimmediatelyare free of dirt and debris.WATER PUMPthe skirting at the end of each season. Wash thefor storage. (See of manual.)At the start of each day inspect the air lines toensure there are no cracks in the lines or looseconnections. Tighten or repair lines as necessary.Each day, before starting the job, clean theCheck the fuses. Make sure they make aproper connection to contact. Replace whenAUXILIARY ENGINEunit. Be sure to regularly change oil and filters forSPRAY BAR AND COMPONENTSThe spray bar (if equipped) is mounted on theare included with the spray bar. Maintain the1.Internal: Keep the internal components2.External: It is important to clean the outsideof the machine at the end of each working day, ormore frequently if required. Clean all joints andpivots of the hydraulic and air systems to preventcaked dirt or other debris from interfering withClean the decals, gauges and otherinformation plaques so they can be seen and readDo not operate the unit with leaking or damagedcomponents. Leaks can create a hazardous MTA or MTA-H STREET FLUSHER tight and can move freely. Free up all points thatCheck that all fasteners are tight. Do notoperate with loose components. Review bolt1.Grease -performance. Also acceptable is an SAE multi-purpose lithium base grease.2.Truck systems - Refer to the the truckcoolants and lubricating greases. Consult withtruck manual for system capacities and servicinggreasing to avoid injecting dirt and grit.Replace broken fittings immediately.clean thoroughly. Also clean lubricantpassageway. Replace fitting if necessary.keep a record of all scheduled maintenance. ROSCO - A LeeBoy CompanyAction Codes: PREVENTIVE MAINTENANCE CHART - MTA-H I = Inspect/check L = Lubricate CL = CleanA = Adjust R = Replace EVERY 6 HOURS or DAILYTransmission fluid level PART CAPACITIES See truck Operator's Manual for information See truck Operator's Manual for information See truck Operator's Manual for information IIIIII See truck Operator's Manual for informationFusesSee parts book SAE multi-purpose high-temperture grease (EP)Water pump bearingSkirtingANNUALLYSee parts bookSee parts book9 gallonsSee chart ROSCO - A LeeBoy Company PREVENTIVE MAINTENANCE CHART - MTAI = Inspect/check L = Lubricate CL = CleanA = Adjust R = Replace Action Codes: PARTSee parts bookCAPACITIESTransmission fluid levelWater pump bearingANNUALLYSkirtingSee parts bookSee parts bookEVERY 6 HOURS or DAILY Maintenance4-8MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company HYDRAULIC FLUIDSreplacements. It is best to use the heaviest weight oil that can be safely used for the temperature rangeof machine operation. If your machine will never be used at below 0°F temperatures, we recommendhydraulic components.DO NOT MIX manufacturers or gradewith your hydraulic system. to use mineral base hydraulic oil.a reputable supplier. the hydraulic specifications meet orHydraulic oil must provide anti-wear properties(American Petroleum Institute) classification SD, HYDRAULIC OIL REQUIREMENTS AND APPROVED BRANDS FOR FIELD FILL:conditions. The best viscosity being 80-300 SUS(17 cs to 65 cs). The viscosity rating at the lowestexpected start-up temperature should not exceed10,000 SUS (2158 cs).inhibitors that will maintain chemical stability.completely drained. Be sure to purge or drain allhydraulic oil. All hydraulic oil filters must also beAMBIENT TEMP.AMBIENT TEMP. AMBIENT TEMP.--25° F TO 80° F (-32° TO 27° C)-10° F TO 95° F (-23° TO 35° C) 0° F TO 105° F (-18° TO 41° C)AMOCO RYKON 32AMOCO RYKON 46AMOCO RYKON 68EXXON UNIVIS N32EXXON UNIVIS N46EXXON UNIVIS N68GULF HARMONY 32 AWGULF HARMONY 46 AWGULF HARMONY 68 AWMOBIL DTE 13MMOBIL DTE 15MMOBIL DTE 16MPHILLIPS 66 MAGNUS A32PHILLIPS 66 MAGNUS A46PHILLIPS 66 MAGNUS A68SHELL TELLUS 32SHELL TELLUS 46SHELL TELLUS 68TEXACO 32TEXACO 48TEXACO 68MOBILFLUID NO. 424CONOCO 68 MTA or MTA-H STREET FLUSHER TIGHTENING FLARE TYPE TUBE FITTINGS1.Check the flare and flare seat for defects that2.Align tube with fitting before tighting.3.Lubricate connection and hand tighten swivel4.To prevent twisting the tube(s), use twowrenches. Place one wrench on the connectorto the torque shown.Note: The torque values shown are basedon lubricated connections as in assembly.1.Inspect O-ring and seat for dirt or obvious2.On angle fittings, back the lock nut off until3.Hand tighten fitting until back-up washer or4.Position angle fittings by unscrewing no more5.Tighten straight fittings to torque shown.6.Tighten while holding body of fitting with aNote: The torque values shown are basedreassembly.(in)(in)(N.m)(lb-ft)(Flats)(Turns)3/167/168611/61/49/1612911/65/165/8161211/63/811/16241811/61/27/8463411/65/81624611/63/41-1/4102753/41/87/81-3/8122903/41/8(in)(in)(N.m)(lb-ft)(Flats)(Turns)3/81/28621/37/169/1612921/31/25/8161221/39/1611/16241821/33/47/8463421/37/8162461-1/21/41-1/161-1/41027511/61-3/161-3/81229011/61-5/161-1/21421053/41/81-5/81-7/81901403/41/81-7/82-1/82171601/21/12HYDRAULIC FITTING TORQUETubeTubeTorque ValueTorque ValueTurns to TightenTurns to Tighten MTA or MTA-H STREET FLUSHER ROSCO - A LeeBoy Company BOLT TORQUE MTA or MTA-H STREET FLUSHERTrouble Shooting The ROSCO Street Flusher is a large tank that transports and sprays water on roads. It is aIf you experience a problem not covered here, please call your local dealer. Before you call,please have this Operator's Manual and the serial number from your Street Flusher ready.CAUSEbracket bolts are loose.Troubleshoot cause of pumphydraulic system operation.foaming) from:-clogged filter.-leaks in the system.Change filter.flow on hydrostatic andhydraulic pumps.Open hydraulic tank valve. Tank Trouble ShootingMTA or MTA-H STREET FLUSHERTROUBLE SHOOTING with dirt, oil or other debris.hydrostatic pump.Add fluid to proper level. SeeReplace filter. See chart inCheck hydrostatic pump reliefpressure. See pump manual.Water pump turns but won't pickup water.Air leak on suction side of pump.Pump not primed.Water tank is empty.Valve on external water sourceand pump strainer assembly.Check for hole in piping on thesuction side of the water pump.See priming procedure in pumpstrainer box assembly.Faulty water pump.Replace filter. See chart inReplace water pump or faultyWater pump does not turn. MTA or MTA-H STREET FLUSHERTrouble Shooting Water pump won't turn fastSpeed of hydrostatic pump notwater pump. Truck enginespeed too slow.Increase truck engine rpms.Water application is too light.Ground speed is too fast.Engine rpm's not sufficient tokeep pump speed up.water pump.water pump.Slow truck down.Gear down and/or idle up.Check valves and flusherShoe clogged.Clean shoe.