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Rosco Street Flushers - Stephenson Equipment

1. 8 DO go into the tank Entry into a confined space requires special equipment and training Serious injury or death can result due to poisonous gasses or lack of oxygen Keep others out 9 When using the chemical injection system be sure to follow safe practices Wear safety glasses and other appropriate gear Follow local state and federal regulations when disposing of chemicals 10 Keep all hydraulic lines fittings and couplers tight and free of leaks before using 11 DO NOT go under the vehicle when the engine is running PTO DRIVELINE 1 Stay away from rotating drive line Hands feet hair and clothing can get caught on rotating parts and cause serious injury or death 439 2 DO NOT go under vehicle when the engine is running 3 DO NOT work on the PTO driveline when the engine is running 4 DO NOT engage or disengage PTO by hand from under the vehicle when the engine is running 5 Shut off engine and remove ignition key before working on or near the system MAINTENANCE 1 Follow ALL operating maintenance and safety information in the manual 2 Support the machine with blocks or safety stands when changing tires or working beneath it 3 Place all controls in neutral stop engine remove ignition key and wait for all moving parts to stop before servicing adjusting or repairing 4 Follow good shop practices Keep service area clean and dry Be sure el
2. HYDROSTATIC amp MTA ENGINE DRIVEN STREET FLUSHERS ROSCO MANUAL PART NO 37782 Revised 08 20 02 OPERATION MAINTENANCE AND SERVICE MANUAL NOTE Itis the responsibility of the customer or 5 management to train educate or supervise his employees in the proper operation and maintenance of this equipment ROSCO A LeeBoy Company 688 North Highway 16 Denver North Carolina Telephone 704 966 3300 www LeeBoy com TABLE CONTENTS GENERAL INFORMATION SECTION 1 INTRODUCTION areas 12 SPECIFICATIONS SAFETY SECTION 2 SYMBOLS 2 2 GENERAL PRECAUT IONS 2 3 OPERATING 2 4 DRIVELINE 2 4 MAINTENANCE on 2 4 2 5 TRANSPOR 2 5 STORAGE 2 5 2 6 REFUELING 2 6 2 6 SAFETY DECALS 2 6 SAFETY DECAL INSTALLATION 2 7 SIGN OFF FORM 2 8 SAFETY DECAL LOCATION OPERATIONS SECTION 3 GENERAL DESCRIPTION MACHINE BREAK IN scsi tide 3 3 PRE OPERATION CHECKLIST OPERATION OF MTA H UNITS OPERATION OF MTA UNITS MAINTENANCE SECTION 4 INTROD
3. 36396 Located on driver s side front truck frame behind the cab ROSCO A LeeBoy Company 2 11 Safety MTA STREET FLUSHER OPERATION GENERAL DESCRIP ION 3 2 3 3 MACHINE GOMPRONEN TS 3 2 3 3 3 3 3 4 3 6 OPERATION UNITS 3 6 3 13 CONTROLS 3 6 3 8 VOADING AE e Ra earan iN 3 9 3 10 TRANSPORTING 3 10 FLUSHER SHOES 3 10 SPRAYING 3 10 3 11 OPERATING INS 3 11 CINE CAIN Gta 3 12 STORAGE a a 3 12 STARTING THE NEW 3 12 3 13 OPERATION OF MTA 3 14 3 20 CONTROLS 3 14 3 15 3 16 3 17 TRANSPORTING 3 17 FL SHER SHOES cated ab
4. 45 PREVENTIVE MAINTENANCE CHART 4 6 PREVENTIVE MAINTENANCE CHART 4 7 06554455 4 8 HYDRAULIC FITTING TORQUE CHART 4 9 BOLT TORQUE CHART e rne ee 4 10 ROSCO LeeBoy Company 41 Maintenance MTA STREET FLUSHER MAINTENANCE The suggestions and recommendations contained in this manual for maintenance should be followed to obtain long life and best performance from your ROSCO Street Flusher MAINTAINED EQuiPMENT IS SAFE Equipment The operator of the Street Flusher should inspect the machine daily The operator is responsible for seeing that worn or damaged parts are replaced or repaired to prevent damage to other areas of the machine Daily inspections should include observation for loose bolts fluid leaks worn or damaged hoses debris or dirt accumulations which could cause a potential service or safety problem A CLEAN MACHINE The first and most important requirement for satisfactory Street Flusher performance is a clean machine Many equipment failures are due to accumulations of excess dirt and neglected adjustments and lubrication USE THE PREVENTIVE MAINTENANCE CHART AT THE END OF THIS SECTION TO SET UP AND RECORD ALL SCHEDULED
5. a 2 4 PTO DRIVELINE 24 MAINTENANG een Oe Dp 2 4 HYDRAULICS eiren eneee ee 2 5 TRANSPOR Tehei 2 5 SAKO BYE 2 5 HRES 2 6 REFUELING ore 2 6 2 6 2 6 SAFETY DECAL INS ALLATION 2 7 NEO a ae 2 8 SAFETY DECAL LOCATION 2 9 2 11 ROSCO LeeBoy Company 2 1 Safety MTA STREET FLUSHER SAFETY SAFETY ALERT SYMBOLS The Safety Alert symbol identifies important safety messages on the ROSCO STREET FLUSHER and in its manual When you see this symbol be alert to the possibility of personal injury or death Follow the instructions in the safety message This Safety Alert symbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED Why is SAFETY important to you 3 Big Reasons Accidents Disable and Kill Accidents Cost Accidents Can be Avoided Signal Words DANGER An immediate and specific hazard which WILL result in severe personal injury or death
6. 750 553 1050 774 1495 11103 2100 1550 2600 1817 2675 2710 Toug figures indicated above are valid for non greased threads and heads unless other wisg Specified Therefore do not grease a oil bolls of capscrews unless othenwise Specified in ihig manual When using lacking elements increase torque values by 5 5 Grade designaliens 01 bolls and capecraws by their head markings Maintenance 4 10 ROSCO A LeeBoy Company MTA STREET FLUSHER TROUBLE SHOOTING The ROSCO Street Flusher is a large tank that transports and sprays water on roads Itis a simple and reliable system that requires regular maintenance In the following section we have listed common problems causes and possible solutions to those problems If 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 PROBLEM CAUSE SOLUTION Entire machine vibrates Chatter heard during hydraulic system operation Hyraulic pump mounting bolts or bracket bolts are loose Hydraulic pump cavitating and running too fast Engine or driveline problems with truck Air in the hydraulic system oil is foaming from clogged filter low oil level leaks in the system hydraulic pump cavitation Pressure setting of hydraul
7. Be sure the hydraulic specifications meet or exceed the following specifications Hydraulic oil must provide anti wear properties that meet or exceed those found in the API American Petroleum Institute classification SD SE or CC crank case oil Hydraulic oil viscosity must not fall below 70 SUS 13 cs in the reservior under the most adverse conditions The best viscosity being 80 300 SUS 17 cs to 65 cs The viscosity rating at the lowest expected start up temperature should not exceed 10 000 SUS 2158 cs Hydraulic oil must have rust and oxidation inhibitors that will maintain chemical stability When changing the hydraulic oil with oil other than the factory fill oil the hydraulic system must be completely drained Be sure to purge or drain all hoses cylinders valves motors and pumps of hydraulic oil All hydraulic oil filters must also be changed at this time AMBIENT TEMP 7 25 F TO 80 F 32 TO 27 C AMOCO RYKON 32 EXXON UNIVIS N32 GULF HARMONY 32 AW MOBIL DTE 13M PHILLIPS 66 MAGNUS A32 SHELL TELLUS 32 TEXACO 32 CHEVRON MV ISO 32 AMBIENT TEMP 10 F TO 95 F 23 TO 35 C RYKON 46 EXXON UNIVIS N46 GULF HARMONY 46 AW MOBIL DTE 15M PHILLIPS 66 MAGNUS A46 SHELL TELLUS 46 TEXACO 48 MOBILFLUID NO 424 AMBIENT TEMP 0 F 105 F 18 TO 41 C AMOCO RYKON 68 EXXON UNIVIS N68 GULF HARMONY 68 AW MOBIL DTE 16M PHILLIPS 66 MAGNUS A68 SHELL TELLUS 68 T
8. Note the use of the signal words DANGER if the proper precautions are WARNING and CAUTION with the safety not taken message The appropriate signal word for each message has been selected using the WARNING specific hazard or unsafe following guidelines practice which COULD result in severe personal injury or death if proper precautions are not taken CAUTION Unsafe practices which COULD result in personal injury if proper practices are not taken or asa reminder of good safety practices Equipment Safety Symbol Throughout this manual whenever you see this Broken Bolt symbol it means ATTENTION Equipment on the machine could be damaged through improper performance of an operation maintenance or repair procedure Safety 2 2 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY You are responsible for the safe operation and maintenance of your Rosco Street Flusher You must ensure that you and anyone else who is going to operate maintain or work around the machine is familiar with the operating and maintenance procedures Special attention should be given to learning and understanding the safety information contained in this manual In accordance with OSHA regulations 1928 51 and 1928 52 operating instructions must be provided 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 equi
9. MAINTENANCE TRUCK Perform all service functions on the vehicle as defined in the truck Operator s Manual This will include but is not limited to the following 1 Check fuel level Add as required 2 Check engine oil level Add as required 3 Check coolant level Add as required 4 Check transmission fluid and brake fluid levels Add as required 5 Check all belts and hoses Replace as needed 6 Check the tire inflation pressure TANK If tank requires internal maintenance hire trained professionals to perform the operation required DANGER DO NOT go into the tank Entry into a confined space requires special equipment and training You can be seriously injured or killed due to poisonous gases or lack of oxygen General Maintenance DRAINING When the Street Flusher will not be used for several days or at the end of the season be sure to drain the tank Follow the unloading procedure in the Operation Section of this manual to completely empty the tank TANK COMPONENTS 1 Every 40 hours or weekly check the overflow tube on the top of the tank Clean if necessary 2 A sight gauge is located the front tank head to indicate the amount of water in the tank Be sure the gauge is kept clean and all connections are tight 3 The tank is attached to the truck frame with clamps Wooden blocks are mounted between the tank and the truck frame to absorb shock loads and act as wear surfaces During use
10. Pressure Selector Control When in this position the truck engine speed will not affect the pressure if it varies slightly When the switch is in the MANUAL position the Water Pressure Selector Control sets the speed of the water pump and allows the pressure to vary with the speed of the engine System Power Turn switch ON to engage pumping system and allow Flusher to spray The panel must be turned ON before machine can be operated Nozzle Switches Switches operate flusher shoes for the front midship or rear positions Selection is provided for LH left hand or RH right hand sides Turn switch ON to operate flusher shoes and OFF to stop water flow Spray Master Switch Controls power to nozzle switches This switch allows you to control power to all engaged nozzles at one time Dump Valve Turn this switch ON to open the dump valve and empty the tank Turn switch OFF to close the valve Operation 3 6 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION Spray Bar ON OFF Optional Place the switch in the ON position to turn spray bar on and OFF to turn the spray bar off Sprinklers ON OFF Optional Turn the switch ON to operate sprinkler for the front or rear Selection is provided for left hand or right hand Turn switch OFF to stop the water flow Hydraulic Oil Temperature Optional The red light indicates when temperature of hydraulic fluid is too high 210 F or 99 C Check
11. Wipe up oil spills of have the correct type of extinguisher any kind Keep tools and parts environment for your situation off floor Eliminate the possibility Type A Wood paper textile of a fall which could result in and rubbish injury Type B Flammable liquid Type C Electrical equipment 6 Wear appropriate ear protection for prolonged exposure to excessive noise ROSCO A LeeBoy Company 2 3 Safety MTA STREET FLUSHER SAFETY 7 DO hurry Use recommended hand holds and steps with at least three points of support when getting on and off the Street Flusher Keep steps floor hand holds and controls clean and free from grease Face the ae machine when climbing up and down and never jump off or dismount while the machine is in motion OPERATING 1 DO NOT allow riders on the Street Flusher when transporting 2 Clean reflectors and lights before transporting 3 Clear the area of people before starting or operating the unit 4 Place all controls in neutral stop engine set park brake remove ignition key and wait for all moving parts to stop before servicing adjusting repairing or unplugging 5 Reinstall safety devices guards or shields after adjusting and or servicing the machine 6 After servicing be sure that all tools parts or servicing equipment are removed from the vehicle or engine 7 Keep hands feet hair and clothing away from moving parts
12. be working with the Street Flusher have read and understand the information in the Operator s Manual and have been instructed in the operation of this equipment EMPLOYEES SIGNATURE EMPLOYERS SIGNATURE Safety 2 8 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY DECAL LOCATION Good safety requires that you familiarize yourself with the various safety decals the type of warning and the area or the particular function related to that area which requires your safety awareness Refer to the Parts Section of this manual for a complete list of decals affixed to your Flusher THINK SAFETY WORK SAFELY THE FOLLOWING DECALS APPEAR ON MTA and MTA H UNITS V OPERATING SAFE CAUTION Read and understand Operator s Manual before 1 Do not allow riders on this unit when using transporting rain operators before allowing then to use Do go into tank without life line Make a operator is not qual ified sure there is a person outside of tank to pull you to safety Keep others out nstall and secure all guards before starting 3 Keep hands feet hair and clothing away Clear the area of bystanders before starting from moving parts Lock spraybor in the up position before 1 1 If equipped 4 Keep all hydraul
13. continuously improving its products The technical information found in this manual was correct at the time it was approved for publication However if you find differences between your Street Flusher and the information contained in this manual please contact your local Authorized ROSCO Dealer Distributor Introduction 1 2 ROSCO A LeeBoy Company MTA STREET FLUSHER LIMITED WARRANTY POLICY amp PROCEDURES A WARRANTY 1 defect in material or workmanship is found and the authorized Dealer is notified during the waranty period ROSCO will repair or replace any part or component of the unit or part that fails to conform to the warranty during the warranty period 2 The warranty will begin upon the completion of the warranty form by the initial customer and will expire after twelve 12 months have passed The Warranty Card must be filled out within ten 10 days of delivery of the unit 3 Engines and truck chassis are warranted by their manufacturers and may have warranty coverage that differs from that of ROSCO 4 Replacement parts furnished by ROSCO are covered for the remainder of the warranty period applicable to the unit or component in which such parts are installed 5 ROSCO has the right to repair any component 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
14. inch sump 4 inch non corrosive drain plug INDICATOR Equipped with an 80 full indicator AUXILIARY ENGINE WITH MANUAL PRESSURE SELECTION Cummins 4B3 9 239 cu in 76 HP engine WATER PUMP 750 GPM single stage high pressure water pump with 4 inch intake and 4 inch discharge PUMP DRIVE Engine driven direct connected to the auxiliary engine TOP OPENING 22 inch diameter with cover NOZZLES 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 slot type nozzles PIPING Standard carbon steel in combination with high pressure rubber hose for increased flexibility LOAD LINE 2 5 inch anti syphon 6 inch air gap with hose TANK MOUNTING Tank is welded to formed steel sills and spring mounted to truck frame with steel angles and bolts on hardwood cushion strips FINISH Exterior of tank primed and painted in customer s choice of color Interior is sandblasted and coated with epoxy coating MISCELLANEOUS clearance lights and reflectors full width fenders with mud flaps hose hooks rear bumper and back up alarm ROSCO A LeeBoy Company 1 5 Introduction MTA STREET FLUSHER MTA H SPECIFICATIONS CAPACITY 1 550 to 4 000 rated U S gallons TANK TYPE amp MATERIAL Steel elliptical cross section with flat flanged and reinforced 7 gauge heads lo
15. lines tor eracks Seepartsbook TT S S T i M_a lightsorienses o S Auxillary Engine Fluids See Manuqtorinformation T T 1 1 1 1 22727720 gt Air systems jE 1 ANNUALLY Coolant CL Machine ROSCO A LeeBoy Company 4 7 Maintenance MTA STREET FLUSHER MAINTENANCE HYDRAULIC FLUIDS The below recommended hydraulic oils have been reviewed by Rosco and are recommended as replacements It is best to use the heaviest weight oil that can be safely used for the temperature range of machine operation If your machine will never be used at below 0 F temperatures we recommend that you use a heavier weight oil If you are considering using oil that is not listed contact the Rosco factory to obtain the specifications that the hydraulic oil must meet to provide the needed lubrication and cooling for the units hydraulic components HYDRAULIC OIL REQUIREMENTS AND APPROVED BRANDS FOR FIELD FILL DO NOT MIX manufacturers or grade weights when adding hydraulic Be sure hydraulic oil selection is compatable with your hydraulic system Be sure to use mineral base hydraulic oil Be sure hydraulic oil selection assistance is from a reputable supplier
16. oil level Check to see if oil cooler is blocked Failure to correct the problem will cause serious component damage HOSE REEL CONTROL The electric or manual hose reel control is located on the back of the unit Manual Remove crank from storage location and install to shaft and turn hose reel Electric Push the button located on the right side of the reel to rewind the hose ROSCO A LeeBoy Company 3 7 Operation MTA STREET FLUSHER OPERATION MTA H Control Panel WORK LIGHTS T 5 5 REA RH REAR BEER RAZE EMPTY H DRAULIC OIL TEMP OFF 10 WATER PRESSURE 1 MANUAL OFF SYSTEM POWER FRT RH REAR SPRAY BAR _ LH FRT LH MJD REAP Operation 3 8 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION OPERATING THE MTA H The machine is designed to perform all required loading unloading circulating and spraying functions without the need for axillary equipment Each operator should review the appropriate section referring to that operation prior to starting All operators must meet all state and local licensing requirements WARNING Read manual before starting Train all operators before they work with this machine Do not smoke around the unit Wear protective gear and clothing OPERATION INSTRUCTIONS LOADING This sect
17. plug is located in the bottom of the tank Itis recommended that the oil be drained when the system is warm to remove the most contaminants Use a large pail or container to collect the used oil Dispose of used oil in an approved manner Reinstall drain plug See chart on page 4 8 for recommended hydraulic oils Do not overfill Fill to lower level of filter screen in the filler neck WARNING Always wear protective clothing gloves anda face shield Contact with hot oil can cause severe burns NEVER smoke around hot oil HYDRAULIC OIL FILTER The hydraulic system is equipped with an oil filter to remove dirt and other contaminants It is located on the right front side of the truck just ahead of the oil resevoir To check the condition of the filter or change it follow this procedure 1 Start the engine Run the engine at 1200 RPM 2 Engage the PTO if necessary to operate the hydraulic system 3 Run the hydraulics until a minimum temperature of 140 F 60 C is achieved Cold oil can cause the indicator to show a restriction 4 Visually check the pointer on the gauge at the top of the filter If the pointer is not in the red area the filter does not need to be changed 5 Change filter only at regular maintenance times or if the pointer is in the red area of the gauge HOSES Each day before starting work check all hydraulic hoses fittings couplers and all air lines and connections Be sure there are no l
18. the blocks wear and the mounting hardware will need to be tightened Keep the hardware tight at all times to prevent the tank from shifting on the frame The best time to check the hardware is at the start of the day To tighten Maintenance 4 2 ROSCO A LeeBoy Company MTA STREET FLUSHER MAINTENANCE a Stop the engine and place all controls in neutral Set parking brake and remove ignition key b Tighten the anchor bolts Measure spring length and maintain at 2 5 inches 63 5 mm visible between spring coils If mounting bolts longer adjusted for proper spring compression the wooden blocks should be replaced FLUSHER SHOES There is little or no maintenance required for the flusher shoes Replace shoes when broken 1 Ensure the two piece assembly of flusher shoe is secured together 2 Check the locking nuts and piping to ensure they are properly tightened HYDRAULIC RESERVOIR 1 The hydraulic reservoir may be located on the side or front of the Street Flusher If it is located on the side of the truck it is accessible through the side doors Operators should check the level on the tank sight gauge 2 Add oil through the filler cap on top of the tank Clean the cap and filler neck before filling so no dirt or contaminants enter the tank Hydrostatic systems will fail in a short time if the oil is not clean 3 Change the oil in the reservoir annually The drain
19. EXACO 68 CONOCO 68 Maintenance ROSCO A LeeBoy Company MTA STREET FLUSHER MAINTENANCE HYDRAULIC FITTING TORQUE TIGHTENING FLARE TYPE TUBE FITTINGS 1 Check the flare and flare seat for defects that might cause leakage 2 Align tube with fitting before tighting 3 Lubricate connection and hand tighten swivel nut until snug 4 To prevent twisting the tube s use two wrenches Place one wrench on the connector body and with the second tighten the swivel nut to the torque shown Note The torque values shown are based on lubricated connections as in assembly TIGHTENING O RING FITTINGS 1 Inspect O ring and seat for dirt or obvious defects 2 On angle fittings back the lock nut off until washer bottoms out at top of groove 3 Hand tighten fitting until back up washer or washer face if straight fitting bottoms on face and O ring is seated 4 Position angle fittings by unscrewing no more than one turn 5 Tighten straight fittings to torque shown 6 Tighten while holding body of fitting with a wrench Note The torque values shown are based on lubricated connections as in reassembly Nut Size Across Flats in 7 16 9 16 5 8 11 16 7 8 1 TorqueValue Turns toTighten see note After Finger Tightening lb ft Flats Turns 1 6 1 6 1 6 1 6 1 6 1 6 1 8 1 8 Nut Size Across Fl
20. ION CHECKLIST VISUAL INSPECTION 4 Check for leaks Repair all leaks before 1 Check the tightness of the tank tie down Starting hardware Tighten as required 2 Check for loose fasteners and hardware on FLUSHER SHOE INSPECTION the machine and nozzles Tighten as required to 1 Check for loose or missing hardware or their specified torque See torque requirements fasteners Tighten or replace tighten or secure as required connections Be sure there are no leaks or damaged components Tighten fittings or replace 4 MTA H Check the condition of all hydraulic Components as required lines couplers fittings and connections Reroute damaged or loose sure they are all set at the same angle 4b MTA Check all fluid levels on the auxiliary engine FUNCTIONAL CHECK Truck Engine 1 Start the truck engine and run at low idle SERVICE AND MAINTENANCE 1 Perform all truck and engine service checks CAUTION Be sure shoes sprinklers 2 Lubricate the water pump bearing using cab ON to activate the system 3 Check all fluid levels engine oil hydraulic reservoir battery coolant and gearbox Fill or add 3 Apply the parking brake as required 4a PTO driven engage the PTO Operation 3 4 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION Manual Transmission Depress the clutch pedal place transmission in neutral engage PTO and release clutch pedal The hyd
21. TING Tank is welded to formed steel sills and spring mounted to truck frame with steel angles and bolts on hardwood cushion strips FINISH Exterior of tank primed and painted in customer s choice of color Interior is sandblasted and coated with epoxy coating MISCELLANEOUS clearance lights and reflectors full width fenders with mud flaps hose hooks rear bumper and back up alarm Introduction 1 6 ROSCO A LeeBoy Company MTA STREET FLUSHER SPECIFICATIONS Optional Equipment and Attachments THE FOLLOWING ITEMS MAY BE USED ON MTA AND MTA H FLUSHERS UNLESS NOTED PTO DRIVEN HYDROSTATIC PUMP Driven from truck transmission MTA H only FULL STREAMLINE SKIRTING Includes skirting with catwalks engine compartment other compartments when required FOURTH FLUSHING NOZZLE Complete with solenoid controlled valve and cab control SPRINKLER ATTACHMENT For Use on Unpaved Streets Two 2 cylindrical brass heads mounted vertically with cab control and mounted at rear of truck FIRE FIGHTING ATTACHMENT 2 1 2 inch valve SUCTION FILLING ATTACHMENT For filling flusher tank from other than hydrant For transferring water pumping out basements cisterns etc PRIMER PUMP FOOT VALVE AND STRAINER For use with suction filling attachment SUCTION HOSE Two 2 lengths of 3 inch X 10 foot rubber suction hose for use with suction filling attachment EIGHT FOOT SPRAYBAR With nozzles mounted at rear inc
22. TS CATALOG A general contents page is located at the beginning of this manual as a quick reference to the these sections and their major subsections In order to receive the performance and efficiency that has been designed into the MTA or MTA H Street Flusher it is very important to A Read this manual thoroughly before operating or servicing the Street Flusher B Keep this manual in a convenient place for ready reference C Not attempt repairs or adjustments you do not understand If you require additional information or service contact your Authorized Rosco Dealer Distributor Throughout this manual references are made to the LEFT SIDE and RIGHT SIDE of the Street Flusher These terms are as seen from the driver s seat and facing forward Serial Number It is important to know the Serial Number of this equipment The Serial Number Plate is located on the front left lower corner of the tank frame of the FLUSHER directly behind the drivers side of the truck cab and a space has been provided below to record it Use the Serial Number in all correspondence referring to the Street Flusher and when ordering parts Model Serial Number Production Year Design Specifications ROSCO MANUFACTURING COMPANY reserves the right to make design or specification changes without prior notification or to make any other improvements without incurring obligations to add them to any machine in existence Technical Information ROSCO MANUFACTURING COMPANY is
23. UCTION 4 2 GENERAL MAINTENANCE 4 PREVENTIVE MAINTENANCE CHART 4 6 PREVENTIVE MAINTENANCE CHART 4 7 HYDRAULIC FLUIDS n meinen 4 8 HYDRAULIC FITTING TORQUE CHART 4 9 BOLT TORQUE CHART TROUBLESHOOTING PARTS CATALOG MTA STREET FLUSHER GENERAL INFORMATION INTRODUCTION 1 2 WARRANTY a 1 3 1 4 SPECIFICATIONS 2 1 5 1 8 1 5 MTA H 1 6 OPTIONAL EQUIPMENT AND ATTACHMENTS 1 7 1 8 ROSCO A LeeBoy Company 1 1 Introduction MTA STREET FLUSHER INTRODUCTION This manual has been compiled to assist the owner and or operator with the correct operation and routine preventive maintenance procedures for the Model MTA or MTA H STREET FLUSHER as manufactured 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 parts from Authorized Rosco Dealers Distributors THIS MANUAL HAS BEEN ORGANIZED INTO SIX 6 MAJOR SECTIONS 1 GENERAL INFORMATION 4 MAINTENANCE 2 SAFETY 5 TROUBLESHOOTING 3 OPERATION 6 PAR
24. alves and flusher shoes Clean and replace as needed Clean shoe ROSCO A LeeBoy Company Trouble Shooting
25. ansmission 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 sprinkler head systems may be included on your unit MACHINE COMPONENTS Units Unless Otherwise Noted Tank A steel tank for holding water Top Opening Provides an opening to fill the tank and is located at the top of the tank Ladder Provides a method for the operator to get to the top opening cover Overload Indicator A mechanical float and rod located at the front top of the tank that contacts the material when the tank is 80 full Control Panel Mounted in a convenient location in the cab It is used to measure monitor and control operation of the Street Flusher Flusher Shoes Are located at the front midship and or rear They direct a flat spray of water onto the street Drain Valve The drain valve petcock is located on the lowest part of the piping system to make sure all water is drained out of the system GENERAL DESCRIPTION Dump Valve Control The control connects to the dump valve under the tank to unload any remaining water in the tank Anti Siphon Fill System To load tank Hose Reel The electric or manual rewind hose reel is used to store the hose and nozzle Circuit Valve Only provided with suction fill option The manually controlled valve is located between the pump and ta
26. as supplied with the unit Be sure to regularly change oil and filters for the air intake and oil SPRAY BAR AND COMPONENTS The spray bar if equipped is mounted on the back of the Street Flusher and its purpose is to distribute water over the road surface Circuits to distribute water to the nozzles hydraulic lines for movement and an air system for valve actuation are included with the spray bar Maintain the system components with the following daily procedures Cleaning 1 Internal Keep the internal components clean to prevent clogging of any component 2 External It is important to clean the outside of the machine at the end of each working day or more frequently if required Clean all joints and pivots of the hydraulic and air systems to prevent caked dirt or other debris from interfering with their function 3 Clean the platform steps railings ladder and catwalk to prevent slipping or tripping during operation 4 Clean the decals gauges and other information plaques so they can be seen and read by the operator at all times Inspecting 1 After cleaning visually check all hoses fillings and clamps for leaks or loose components Do not operate the unit with leaking or damaged components Leaks can create a hazardous condition and affect performance and function of the machine Maintenance 44 ROSCO A LeeBoy Company MTA STREET FLUSHER MAINTENANCE 2 Check that all
27. ats 1 Recommended Torque Value Turns to Tighten see note After Finger Tightening lb ft Flats Turns 1 3 1 3 1 3 1 3 1 3 1 4 1 6 1 6 1 8 1 8 1 12 ROSCO A LeeBoy Company 49 Maintenance MTA STREET FLUSHER BOLT TORQUE CHECKING BOLT The tables shown below give conget torque dor various boks and cap eraws Tighten all boha 10 ihe torques specified in chan unless otherwise 0184 Check of bolts periodically using Bon torque chart a guide hardware with the same strength ENGLISH TORQUE SPECIFICATIONS Torque Ciameler 2 SAE 5 Wa 15 12 8 17012 14 25 115 368 127 27 20 45 33 63 75 y 30 F2 63 100 175 vw 45 440 80 155 1115 5167 95 70 155 115 220 155 128 95 215 190 305 220 1169 38 02090 540 400 230 170 570 420 880 550 150345 225 850 4530 1320 87 Bolt Torque Diameter B B 109 16 1 5 4 1 8 1 3 3 2 2 4 5 3 3 4 17 10 7 15 25 18 35 26 50 37 70 55 Miz 50 56 125 88 Mid 140 103 200 148 M16 225 188 310 220 435 321 610 4504
28. can prevent personal injury and expensive down time 4 Drain water tank when the ROSCO Flusher will not be used for more than several days Open all valves to ensure water is drained from lines and hoses ATTENTION Water remaining in piping can freeze and damage unit ROSCO A LeeBoy Company 3 11 Operation MTA STREET FLUSHER OPERATION UNLOADING Review these instructions and follow them to ensure the safety of the operator and to maintain a safe working environment When unloading the tank follow this procedure 1 Move the truck to the unloading site or over sewer hole opening where the remaining water can be dropped 2 Open the valve at the bottom of the sump Open petcock in the pump piping Empty the tank 3 Close petcock and valve at bottom of sump 4 lf your unit is equipped with a dump valve engage Dump Valve switch on Control Panel Wait until the tank is empty Close the dump valve STORAGE At the end of the season the machine should be thoroughly inspected and prepared for storage Repair or replace worn or damaged components to prevent unnecessary down time at the beginning of the next season Follow this procedure 1 Thoroughly wash the machine 2 Ifthe machine is heavily caked with dirt it may be necessary to use a high pressure washer to clean it 3 Drain the water from the tank and lines by opening valves under the tank and on lines throughout the system T
29. ck that all drain valves petcocks and the dump valve are closed 2 Attach suction hose to pump inlet Check that all joints are air tight 3 Place screen at hose end Do not exceed 15 feet 4 6m of suction lift on hose 4 Close valve between pump inlet and tank 5 Open the valve between the primer and the water pump 6 Using the primer handle pump until water has completely filled the water pump case 7 Open larger valve between water pump discharge and the water tank 8 Start the flusher and run the water pump Once the water pump is loading close the small valve between the primer and the water pump ROSCO A LeeBoy Company 3 9 Operation MTA STREET FLUSHER OPERATION 9 Fill until the tank is 80 to 90 full Observe the tell tale gauge on tank if so equipped 10 Stop the water pump and close the large valve between the water pump and water tank 11 Open the outlet valve between the pump inlet and the tank 12 Disconnect suction hose and store in appropriate holder TRANSPORTING The ROSCO Street Flusher is designed to be easily and conveniently moved from the storage area to the work site or between sites Every driver should be trained and follow defensive driving practices Obey all traffic laws Vehicle 1 Review and follow operating instructions in the truck Operator s manual 2 Comply with all road and traffic regulations Check with local transport a
30. dealer will carry a ninety 90 day warranty B LIMITATIONS ROSCO has no obligation under this warranty for 1 Any defects caused by misuse misapplication negligence accident or failure to maintain or use in accordance with the most current operating instructions 2 Unauthorized alterations 3 Defects or failures caused by any replacement parts or attachments not manufactured by or apporved by ROSCO 4 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 ROSCO making the applicable units parts available upon notification of a service notice ordered by ROSCO 6 The warranty responsibility on all engines and or truck chassis rests with the respective manufacturer 7 ROSCO may have support agreements with some engine and or truck chassis manufactur ers for warranty and parts support ROSCO A LeeBoy Company 1 3 Introduction MTA STREET FLUSHER LIMITED WARRANTY POLICY amp PROCEDURES C ITEMS NOT COVERED ROSCO 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 is performed 3 Freight charges related to transporting repair parts to the place at which warranty work is performed 4 All used units or
31. dure 1 Move the truck to the unloading site or over sewer hole opening where the remaining water can be dropped 2 Open the valve at the bottom of the sump Open petcock in the pump piping Empty the tank 3 Close petcock and valve at bottom of sump 4 If your unit is equipped with a dump valve engage Dump Valve switch on Control Panel Wait until the tank is empty Close the dump valve ROSCO A LeeBoy Company 3 19 Operation MTA STREET FLUSHER OPERATION STORAGE At the end of the season the machine should be thoroughly inspected and prepared for storage Repair or replace worn or damaged components to prevent unnecessary down time at the beginning of the next season Follow this procedure 1 Thoroughly wash the machine 2 If the machine is heavily caked with dirt it may be necessary to use a high pressure washer to clean it 3 Drain the water from the tank and lines by opening valves under the tank and on lines throughout the system The standard drains are petcocks located on the lowest points of the piping 4 Close drain valve at bottom of pump housing Drain water from water pump Close drain plug 5 Lubricate all grease points Make sure all grease cavities have been filled with grease See truck manual for lubrication points on the truck and chassis 6 Top up all fluid levels to minimize condensation during the storage period 7 Inspect all air and hydraulic h
32. e the Spray Master switch to start spraying at the desired start point The valves for each selected nozzle will be opened and the spraying will start 9 Watch the Water Pressure gauge on the Control Panel Be sure the ground speed stays constant Adjust the Water Pressure Selector Control to give the desired spray pattern and spray force 10 When the flushing or spraying is complete or when the tank is empty turn the Spray Master switch OFF If the tank runs empty the Low Level indicator light on the Control Panel will come on and the hydraulics will automatically shut off power to the pumps ATTENTION Do not let the pump run dry Running the pump without liquid will destroy the seal assembly OPERATING HINTS To achieve the most efficient use of this unit follow the hints below 1 Adjust Flusher shoes to obtain maximum street cleaning and coverage 2 Operate the truck at 4 to 8 m p h 6 to 13 k p h to obtain the best operating conditions Keep the speed down to maintain a safe working environment CAUTION Set the parking brake whenever it is necessary to leave the cab Block the tires to prevent the truck from moving or creeping away when working at the rear of the machine WARNING Clear everyone from the working area before moving the vehicle 3 Maintain the machine in good condition at all times Damaged or worn components can fail during operation and create hazardous conditions Good maintenance
33. eaks or cracks and that all fittings and connections are tight Repair or replace damaged parts WARNING Refer to the Hydraulics information in the Safety Section of this manual before repairing or checking for hydraulic leaks ROSCO A LeeBoy Company 43 Maintenance MTA STREET FLUSHER MAINTENANCE DANGER Serious infection or toxic reaction can develop from hydraulic fluid piercing the skin If injured by high pressure hydraulic fluid seek medical attention immediately SOLENOIDS Each day inspect the solenoids to be sure they are free of dirt and debris WATER PUMP Every three months lubricate the water pump 1 location using multi purpose grease until grease escapes from bearing retainers SKIRTING If water action has worn away the paint repaint the skirting at the end of each season Wash the machine and perform steps to get the unit ready for storage See Operation Section of manual AIR LINES At the start of each day inspect the air lines to ensure there are no cracks in the lines or loose connections Tighten or repair lines as necessary ELECTRICAL ITEMS 1 Each day before starting the job clean the lights or lenses to ensure they can be seen by oncoming vehicles 2 Check the fuses Make sure they make a proper connection to contact Replace when cracked or blown AUXILIARY ENGINE Follow the recommended service intervals in the auxiliary engine manual that w
34. eck for leaks and or restriction in the hydraulic lines Check hydrostatic pump relief pressure See pump manual Check hydrostatic pump and lines Check charge pressure with engine at a low idle Replace filter See chart in Maintenance Section Replace water pump or faulty components Check coupling between tank and pump strainer assembly Check for hole in piping on the suction side of the water pump See priming procedure in pump manual Fill water tank Open valve Clean inlet screen in pump strainer box assembly Trouble Shooting 5 2 ROSCO A LeeBoy Company MTA STREET FLUSHER TROUBLE SHOOTING Water pump won t turn fast enough Water application is too light Individual flusher shoes spraying light Speed of hydrostatic pump not matched to the needs of the water pump Truck engine speed too slow Air trapped in hydraulic system High temperature in hydraulic system Malfunction of the hydraulic system components Ground speed is too fast Engine rpm s not sufficient to keep pump speed up Plugged or restricted inlet to water pump Plugged or restricted outlet from water pump Shoe clogged Increase truck engine rpms Purge air from system See page 2 Check for leaks in hydraulic system components hoses and hose fittings See Maintenance Section Slow truck down Gear down and or idle up Clean water tank screens Check v
35. ectrical outlets and tools are properly grounded Use adequate light for the job at hand Safety 24 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY 5 Make sure all guards are in place and and identify leaks Insure all pressure is relieved properly secured when maintenance work is completed 6 Never wear ill fitting baggy or frayed clothing when working around or on any of the drive system components 7 Before applying pressure to a hydraulic system make sure all lines fittings and couplers are tight and in good condition 8 DO NOT go into the tank Entry into a confined space requires special equipment and training Serious injury or death can result due to poisonous gasses or lack of oxygen Keep others out 9 Keep hands feet hair and clothing away from moving parts 10 Clear the area of bystanders when performing any maintenance repairs or adjustments HYDRAULICS 1 Make sure that all components in the hydraulic system are kept in good condition and are clean 2 Replace any worn cut abraded flattened or crimped hoses and metal lines 3 DO NOT attempt makeshift repairs using tape clamps or cements The hydraulic system operates under extremely high pressures and such repairs could cause serious injury 4 Wear proper hand and eye protection when searching for a high pressure leak Use a piece of wood or cardboard as a back stop instead of hands to is
36. er 2 operating hours 1 Tighten all wheel bolts to their specified torque 2 Tighten all fasteners and tank tie down hardware to their specified torque 3 Lubricate pump bearing with multi purpose grease 4 Check all fluid levels 5 Perform truck break in checks 6 Check that no hydraulic lines are being pinched or crimped After 8 to 16 operating hours 1 Repeat all checks described in part B 2 Then go to regular maintenance schedule as defined in this manual ROSCO A LeeBoy Company 3 3 Operation MTA STREET FLUSHER OPERATION THE PRE OPERATION CHECKLIST Units Unless Otherwise Noted Efficient and safe operation of the Rosco Street Flusher requires that each operator reads and 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 and maintaining 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 done on 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 and controls and one at the appropriate check point Check the following areas before operating the Street Flusher and each time thereafter PRE OPERAT
37. erring to that operation prior to starting All operators should meet all state and local licensing requirements WARNING Read manual before starting Train all operators before they work with this machine Do not smoke around the unit Wear protective gear and clothing OPERATION INSTRUCTIONS LOADING This section explains the procedure to be followed when loading the tank and the function of the controls and components Review these instructions and follow them to insure the safety of the operator and to maintain a safe working environment The tank can be loaded by either the top opening or the tank load line Optional suction fill is available and allows loading by use of the water pump on the Flusher Top Opening and Load Line Loading 1 Review and follow the Pre Operation Checklist before starting Be sure all systems are functional and in good repair 2 sure tank dump valves drain valves petcocks are closed 3 Move the unit to the hydrant storage tank or transfer vehicle 4 Carry the loading hose to the top of the tank and open the top opening cover or connect the hose to the load line located at the upper rear of the tank 5 Lay the end of the hose in the tank or check that joints between the load line and hose are tight 6 Open the hydrant or start the pump on the storage tank or transfer vehicle to load the tank If loading into the top opening be sure that the hose stays in the ope
38. found on each street such as construction crown profile widths type of sewage system and water availability Review the job specifications to determine the Flusher shoe application rate required 1 Set Flusher shoes to obtain maximum coverage possible 2 Ensure stream barely overlaps at point of pavement contact 3 Ensure water strikes pavement 8 to 12 feet 2 4 to 3 7 m in front of shoe to provide normal coverage and pressure for cleaning 4 Set shoes so water strikes pavement 4 to 6 feet 1 2 to 1 8m from shoe if dirt is heavy or refuse is to be cleaned from street ROSCO A LeeBoy Company 3 17 Operation MTA STREET FLUSHER OPERATION STARTING AUXILIARY ENGINE The auxiliary engine is started from the truck cab using a key Insert the key into the ignition and turn to start the engine COLD WEATHER STARTING The direct injected Cummins diesel engine starts well in cold weather If it is necessary to use ether as a Starting aid do it promptly Read and follow the steps below and those of the ether manufacturer for safe and effective use 1 Place unit in neutral and set parking brake 2 Set throttle to idle 3 Have another person crank the engine while you spray starting fluid into the air cleaner for no more than two 2 seconds at a time NEVER remove the air filter element and spray ether directly into the air inlet piping or the intake manifold 4 sure that engine
39. he standard drains are petcocks located on the lowest points of the piping 4 Open drain valve at bottom of pump housing Drain water from water pump Close drain valve 5 Lubricate all grease points Make sure all grease cavities have been filled with grease See truck manual for lubrication points on the truck and chassis 6 Top up all fluid levels to minimize condensation during the storage period 7 Inspect all air and hydraulic hoses couplers fittings and cylinders Tighten any loose fittings Replace any hose that is badly cut nicked abraded or is separating from the crimped end of a fitting 8 Inspect all water hoses and fittings Replace any hose that is badly cut nicked or separating from a fitting 9 Check the condition of all safety decals If any are missing damaged or illegible order replacements immediately Install the replacement decals according to instructions at end of Safety Section CAUTION Store the machine in an area that is level and dry with a firm base 10 Repaint the skirting if water action has worn away the paint 11 Every month during storage start the truck and run for 30 minutes to charge the battery An alternative would be to remove the battery from the battery compartment during the storage time WARNING Store the Street Flusher away from human activity Do not allow children to play around the stored machine STARTING THE NEW SEASON When removing the Flus
40. her from storage and preparing for use follow this procedure 1 Use the truck manual as a guide to service the truck before starting Replace battery if it was removed for the storage time Operation 3 12 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION 2 Check tank hold down hardware and all other hardware and fasteners Tighten as required 3 Check tire pressure 4 Check all lines and fittings Repair replace or tighten as required 5 Lubricate all grease fittings on water pump 6 Check that drain valve is closed on water pump 7 Repair or replace any worn broken or defective parts before starting 8 Review and follow the Pre Operation Checklist before starting 9 Calibrate and set the machine before starting ROSCO A LeeBoy Company 3 13 Operation MTA STREET FLUSHER OPERATION CONTROLS FOR MTA UNITS It is recommended that all operators review this section of the manual to familiarize themselves with the location and function of all controls before starting Controls are located in the cab for operator convenience Use this section of the manual as a guide to control operation when training operators Your unit may have slightly different switches or controls depending on the options ordered with your unit Refer to detail on page 15 IN CAB CONTROL PANEL Work Lights Turn switch to ON to turn Work Lights on Place in OFF to turn Wo
41. ic lines fittings and cou plers tight and free of leaks before using Obey all applicable traffic laws and ligh ts before Do not exceed a safe travel speed transporting Do not drink and drive 6 Review safety instructions with all opera Review safety instructions with operators on an tors on an annual basis annual basis 35237 36236 36237 Part 36236 Located on rear window of cab Located on rear window of cab 223 THIS VEHICLE IS EQUIPPED 27 N NI 1 R WHEN BAC G THE E T ET E E THE OF 1 37000 1159 i Part 37000 Part 37763 Located on top of tank at ladder Located inside cab on dash ROSCO A LeeBoy Company Safety MTA STREET FLUSHER SAFETY DECAL LOCATION 2 WARNING DANGER FOR SAFETY 8 EFFICIENCY IS THE RESPONSIBILITY OF PERMIT REQUIRED THE CUSTOMER OR USER S MANAGEMENT TO TRAIN CON FINED SPACE EDUCATE amp SUPERVISE HIS DO NOT ENTER EMPLOYEES IN THE PROPER OPERATION 8 MAINTENANCE Part 38480 OF THIS EQUIPMENT Located on top of tank lid Part 53495 Located on rear window of cab THE FOLLOWING DECALS APPEAR ON MTA UNITS ONLY 7 DANGER WARNING CALIFORNIA gt Proposition 65 Warning Engine exhaust and some of ts constituents are known to the State of California to cause cancer birth defects and other reproductive harm Always use care t
42. ic or hydrostatic pump relief valve Hydraulic tank valve closed causing hydraulic pump to cavitate Tighten bolts Troubleshoot cause of pump cavitation slow pump speed down Have truck inspected and repaired by qualified dealer mechanic Purge air from system Change filter Add fluid to the proper fill level See Maintenance Section Check for leaks Check for restrictions to inlet flow on hydrostatic and hydraulic pumps Check hydrostatic pump relief pressure See pump manual Open hydraulic tank valve Tank valve may be stuck closed and may require additional force to open ROSCO A LeeBoy Company 5 1 Trouble Shooting MTA STREET FLUSHER TROUBLE SHOOTING Hydraulic oil gets too hot Water pump does not turn Water pump turns but won t pick up water Low hydraulic fluid level Reservoir and or hoses covered with dirt oil or other debris Hydraulic filter plugged Air trapped in hydraulic system Relief valve setting too low on hydrostatic pump Hydrostatic pump not turning Hydrostatic pump failure Clogged charge filter causing low charge pressure Faulty water pump Air leak on suction side of pump Pump not primed Water tank is empty Valve on external water source closed Inlet screen plugged Add fluid to proper level See Maintenance Section Clean with solvent Replace filter See chart in Maintenance Section Ch
43. ierced with a pin and smoothed out using a piece of decal backing paper 7 Ifthe decal has a protective top paper use hot soapy water on the surface to which the decal is being applied Leave wet After deciding on the location remove the backing paper and soak the decal in clean soapy water before application This will help to alleviate air bubbles in the finished decal 7a Smooth the decal into place with a squeegee and check for air bubbles 7b Small air pockets may be pierced with a pin and smoothed out When the decal is completely smoothed out carefully remove the top paper ROSCO A LeeBoy Company 2 7 Safety MTA STREET FLUSHER SIGN OFF FORM ROSCO Manufacturing Company follows the general Safety Standard specified by the Society 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 and clearly understand all safety operating and maintenance information presented in this manual DO NOT operate or allow anyone to operate this equipment until such information has been reviewed Annually review this information before the season start up Make these periodic reviews of Safety and Operation a standard practice for all your equipment An untrained employee is unqualified to operate this machine This sign off form is provided for your record keeping to show that all personnel who will
44. ion explains the procedure to be followed when loading the tank and the function of the controls and components Review these instructions and follow them to insure the safety of the operator and to maintain a safe working environment The tank can be loaded by either the top opening or the tank load line Optional suction fill is available and allows loading by use of the water pump on the Flusher Top Opening and Load Line Loading 1 Review and follow the Pre Operation Checklist before starting Be sure all systems are functional and in good repair 2 Be sure tank dump valves drain valves and petcocks are closed 3 Move the unit to the hydrant storage tank or transfer vehicle 4 Carry the loading hose to the top of the tank and open the top opening cover or connect the hose to the load line located at the upper rear of the tank 5 Lay the end of the hose in the tank or check that joints between the load line and hose are tight 6 Open the hydrant or start the pump on the storage tank or transfer vehicle to load the tank If loading into the top opening be sure that the hose stays in the opening It may be necessary to secure the hose in place 7 Fill until the tank is 80 to 90 full Observe tell tale gauge on tank if so equipped 8 Stop hydrant Remove hose from top opening and close cover or disconnect hose from load line coupling 9 Operate Flusher when at location Suction Fill Loading Optional 1 Che
45. le before servicing any part of the electrical system 5 Use jumper cables ONLY in recommended manner Improper use can result in battery explosion or unexpected Street Flusher motion SAFETY DECALS 1 Keep safety decals and signs clean and legible at all times 2 Become familiar with the content and the position of each safety decal Important information is written on decals 3 Replace safety decals and signs that are missing or have become illegible 4 When replacing parts be sure to check that any safety decals that were on the original part are also on the new part 5 Obtain safety decals or signs from your Authorized ROSCO Dealer Distributor Safety 2 6 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY DECAL INSTALLATION 1 sure that the installation area is clean and dry Use hot soapy water and dry the area thoroughly before installing decals 2 Decide on the exact position by taking measurements and test fitting before you remove any of the backing paper 3 For decals with no top protection paper decide on the location for the decal and remove the smallest adhesive backing of the split backing paper 4 Align the decal over the specified area and carefully press the small portion with the exposed adhesive backing in place 5 Slowly peel back the remaining paper and carefully smooth the remaining portion of the decal in place 6 Small air pockets can be p
46. luding ON OFF controls in the cab HOSE REEL Mounted at the rear or side with manual or electric rewind including 100 feet of 2 1 2 inch hose REMOTE WATER CANNON For controlled high pressure spraying Cab controlled water turret mounted on top front of tank TOOL BOX Lockable mounted on fender for storing wrenches or couplings TANK SIGHT GAUGE Clear water sight gauge mounted on front of tank REMOTE RH MIRROR Controlled from inside the cab 4 ROSCO A LeeBoy Company 1 7 Introduction MTA STREET FLUSHER SPECIFICATIONS Optional Equipment and Attachments DUMP VALVE Full opening with ON OFF control in the cab for fast unloading for sewer flushing ice rink flooding etc Air operated from the truck air brake system WATER RECIRCULATING FOR COLD WEATHER OPERATION Prevents freezing of piping and valves PUMP WATER SUCTION STRAINER Strains water before entering pump Prevents pump damage and nozzle clogging ELECTRIC WORK LIGHTS One 1 located mid tank curb side One 1 located on rear tank head LOADING HOSE Single jacket cotton hose 2 1 2 inch X 15 foot with IPT 2 1 2 coupling on one end Introduction 1 8 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY SYMBOLS ROE aa Cray eT ee ee 2 2 GENERAL PRECAUTIONS 2 3 OPERATING
47. nd experience to do the job 3 Have a qualified tire dealer or repair service perform required tire maintenance 4 Support the machine with blocks or safety stands when changing tires or working beneath it 5 DO NOT inflate tires beyond the maximum recommended inflation pressure NEVER vehicle on one tire of a dual assembly The carrying capacity of the single tire and rim is dangerously exceeded and operating a vehicle in this manner can result in damage to the rim and tire REFUELING 1 Handle fuel with care It is highly flammable DO NOT over fill fuel tank as over fill creates a fire hazard 2 Clean up spilled fuel before restarting engine 3 DO NOT refuel the machine while smoking or when near open flame or sparks DO NOT refuel with engine running 4 Fill fuel tank outdoors Keep the hose nozzle or the funnel and container in contact with the metal of the fuel tank to avoid the possibility of an electrical spark igniting the fuel 5 Prevent fires by keeping machine clean of accumulated trash grease and debris BATTERY 1 Keep all sparks and flames away from batteries as gas given off by electrolyte is explosive 2 Wear safety glasses when working near batteries If you come in contact with battery electrolyte solution wash off immediately 3 DO NOT tip batteries more than 45 degrees to avoid electrolyte loss 4 To avoid injury from spark or short circuit disconnect battery ground cab
48. ning It may be necessary to secure the hose in place 7 Fill until the tank is 80 to 90 full Observe tell tale gauge on tank if so equipped 8 Stop hydrant Remove hose from top opening and close cover or disconnect hose from load line coupling 9 Operate Flusher when at location Suction Fill Loading Optional 1 Check that all drain valves petcocks and the dump valve are closed 2 Attach suction hose to pump inlet Check that all joints are air tight 3 Place screen at hose end Do not exceed 15 feet 4 6m of suction lift on hose 4 Close valve between pump inlet and tank 5 Open the valve between the primer and the water pump 6 Using the primer handle pump until water has completely filled the water pump case 7 Open larger valve between water pump discharge and the water tank Operation 3 16 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION 8 Start the flusher and run the water pump Once the water pump is loading close the small valve between the primer and the water pump 9 Fill until the tank is 80 to 90 full Observe the tell tale gauge on tank if so equipped 10 Stop the water pump and close the large valve between the water pump and water tank 11 Open the outlet valve between the pump inlet and the tank 12 Disconnect suction hose and store in appropriate holder TRANSPORTING The ROSCO Street Flusher is designed to be easily and con
49. nk Opening valve allows circulation of water from the pump back into the tank Hydrostatic Pump MTA H The variable displacement pump mounted on the front of the truck or to the truck frame behind the cab is driven by the truck engine and provides power to operate the water pump Hydraulic Tank MTA H The tank contains hydraulic fluid for the hydrostatic system and is located at the front or side of the truck depending on pump mounting Operation 3 2 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION Hydrostatic Motor and Water Pump MTA H The fixed displacement motor operates the water pump and maintains water to flusher shoes Auxiliary Engine and Water Pump MTA The rear mounted auxiliary engine is directly connected to the water pump The speed of the pump 15 controlled by the engine rpm Optional Spraybar The rear mounted 8 foot 2 44 m spary bar has nozzles for spraying water on road and other surfaces for dust control MACHINE BREAK IN All Units Although there are no operational restrictions on the machine when used for the first time it is recommended that the following mechanical items be checked Before Starting 1 Read the Street Flusher Operator s Manual and all safety decals before starting 2 Read the truck manual and engine manual before starting 3 Tighten the tank tie down hardware 4 Review and follow truck and engine break in instructions Aft
50. o avoid breathing this exhaust Part 37243 Located on driver s side of front windshield Part 35870 Located at rear of unit on radiator bracket A WARNING Keep sparks and flames away from the battery Refer to the Operator s Manual for battery boosting and charging procedures Acid can severely burn your body and clothing 72627 Part 72627 Located at rear of unit near battery Safety 2 10 ROSCO A LeeBoy Company MTA STREET FLUSHER SAFETY DECAL LOCATION THE FOLLOWING DECALS APPEAR ON MTA H UNITS ONLY AND MAY VARY DEPENDING ON OPTIONS or MODEL SELECTED HYDRAULIC FLUID FILL TO BOTTOM OF SCREEN DO NOT MIX OILS CHECK MANUAL SPECIFICATIONS FOR PERMITTED SUBSTITUTES 37684 Part 37684 Located on hydraulic reservoir HYDRAULIC OIL VISIBLE IN SIGHT GLASS AT ALL TIMES USE CHEVRUN AW MV 32 0 NOT MIX UILS CHECK MANUAL SPECIFICATIONS FOR PERMITTED SUBSTITUTES 37664 Part 37664 Located on hydraulic reservoir WARNING Avoid serious injury or death Rotating Driveline can z snag clothes skin hands and hair Always shut engine off before working or near system 36396 j
51. oil pressure is indicated on the gauge within 30 seconds after starting DANGER Never use ether near open flames or with pre heater or glo plugs The combination can cause an explosion WARNING Do not breath in ether starting fluid fumes They are harmful ATTENTION Do not use excessive amounts of ether starting fluid when starting the engine No more than 2 seconds per time Using too much ether starting fluid will cause engine damage If your unit is equipped with an Automatic Ether Injection System follow the steps below for cold weather starting 1 Put the unit neutral and set the parking brake 2 Set throttle to idle 3 While cranking the engine inject a metered amount of ether starting fluid by pushing the Ether Injection button 4 the engine oil pressure 15 indicated on the gauge within 30 seconds after starting 5 Never inject ether for more than two 2 seconds at a time SPRAYING This section explains the procedure to be followed when flushing or spraying It also covers the position and function of applicable controls Review these instructions and follow them to insure the safety of the operator and to maintain a safe working environment 1 Be sure the Spray Master switch is in the OFF position 2 Before spraying be sure the following items have been performed a Check that Flusher shoes are in the operating position b Place spraybar and wings in their operating c
52. olate before disconnecting lines hoses and or valves 5 If injured by a concentrated high pressure stream of hydraulic fluid seek medical attention immediately Serious infection or toxic reaction can develop from hydraulic fluid piercing the skin surface TRANSPORT 1 Make sure you are in compliance with all local regulations regarding transporting equipment on public roads and highways 2 Make sure the lights and reflectors that are required by local highway and transport authorities are in place are clean are in good repair and can be seen clearly by all overtaking and oncoming traffic 3 If your machine is equipped with a spraybar raise and secure spraybar wings before transporting 4 DO NOT exceed 55 m p h 90 km h when transporting the machine Reduce speed on rough roads and surfaces and when making turns 5 DO NOT drink and drive Use seat belts STORAGE 1 Store the Street Flusher in an area away from human activity 2 DO NOT permit children to play on or around the stored machine 3 Make sure the unit is stored in an area that is firm level and free of debris ROSCO A LeeBoy Company 2 5 Safety MTA STREET FLUSHER SAFETY TIRES 1 Failure to follow proper procedures when mounting a tire on a wheel or rim can produce an explosion which may result in serious injury or death 2 DO NOT attempt to mount a tire unless you have the proper equipment a
53. onfiguration if so equipped c Clear the area of bystanders d Select the desired Flusher shoe s by activating the corresponding individual nozzle switch 3 If any sections of the Flusher shoes will not be operating be sure that switch is OFF 4 Start the auxiliary engine and bring rom up until desired operating water pressure is reached 100 psi maximum Set engine speed to maintain constant operating water pressure 5 Align the truck with the area to be sprayed Allow sufficient space for the truck to come to the required speed before it gets to the spraying start point Operation 3 18 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION 6 Place the truck in the desired gear axle ratio and engine rpm 7 Proceed toward the start point 8 Activate the Spray Master switch to start spraying at the desired start point The valves for each selected nozzle will be opened and the spraying will start 9 Watch the Water Pressure gauge on the Control Panel Be sure the ground speed stays constant Adjust the auxiliary engine speed to give the desired spray pattern and spray force 10 When the flushing or spraying is complete or when the tank is empty turn the Spray Master switch OFF If the tank runs empty the Low Level indicator light on the Control Panel will come on Immediately stop the auxiliary engine Shut off water to all nozzles and refill the tank Do not let the pump run dr
54. oses couplers fittings and cylinders Tighten any loose fittings Replace any hose that is badly cut nicked abraded or is separating from the crimped end of a fitting 8 Inspect all water hoses and fittings Replace any hose that is badly cut nicked or separating from a fitting 9 Check the condition of all safety decals If any are missing damaged or illegible order replacements immediately Install the replacement decals according to instructions at end of Safety Section CAUTION Store the machine in area that is level and dry with a firm base 10 Repaint the skirting if water action has worn away the paint 11 Every month during storage start the truck and run for 30 minutes to charge the battery An alternative would be to remove the battery from the battery compartment during the storage time WARNING Store the Street Flusher away from human activity Do not allow children to play around the stored machine STARTING THE NEW SEASON When removing the Flusher from storage and preparing for use follow this procedure 1 Use the truck manual as a guide to service the truck before starting Replace battery if it was removed for the storage time 2 Check tank hold down hardware and all other hardware and fasteners Tighten as required 3 Check tire pressure 4 Check all lines and fittings Repair replace or tighten as required 5 Lubricate all grease fittings on water pump 6 Check tha
55. pivots hinges and joints are tight and can move freely Free up all points that are binding 3 Check that all fasteners are tight Do not operate with loose components Review bolt specifications and maintain them at their specified torque 4 Check the alignment of the spray bar nozzles Adjust as required FLUIDS AND LUBRICANTS 1 Grease Use a multi purpose high temperature grease with extreme pressure EP performance Also acceptable is an SAE multi purpose lithium base grease 2 Truck systems Refer to the the truck Operator s Manual for fuel lubricating oils coolants and lubricating greases Consult with truck manual for system capacities and servicing frequencies GREASING 1 Use only hand held grease guns for all greasing 2 Wipe grease fitting with a clean cloth before greasing to avoid injecting dirt and grit 3 Replace broken fittings immediately 4 Ifa fitting will not take grease remove and clean thoroughly Also clean lubricant passageway Replace fitting if necessary Use the Preventive Maintenance Chart provided to keep record of all scheduled maintenance ROSCO A LeeBoy Company 45 Maintenance PREVENTIVE MAINTENANCE CHART Action Codes Inspect check L Lubricate CL Clean A Adjust R Replace cs pos MAINTENANCE CAPACITIES REQUIRED EVERY 6HOURS or DAILY eee 1 Engheo
56. pment is a well trained and safe operator It is his her responsibility to read and understand all safety and operating instructions in this manual A person who has not read and understood all operating and safety instructions is not qualified to operate the Street Flusher An untrained operator exposes himself herself and bystanders to possible serious injury or death All accidents can be avoided Do not modify the Street Flusher in any way Unauthorized modification may impair function and or safety and affect the working life of the equipment ROSCO Manufacturing Company assumes NO LIABILITY for accident or injury incurred through the improper use of this equipment SAFETY PRECAUTIONS GENERAL 1 Always read and fully 4 Be sure to wear safe understand the Operator s work clothing It should be manual and the safety decals well fitted and in good on the machine before trying repair Do not wear rings Pens to operate or service the wrist watches or loose equipment fitting clothing when working on machinery 2 It is wise to have first aid They could catch on kit available and be familiar with moving parts causing serious injury Wear sturdy its contents rough soled work shoes safety glasses and any other protective gear that is warranted by work 3 Keep a charged extinguisher within reach whenever you work in an area where 5 Keep work area organized fire may occur Also be sure you and clean
57. r switches and OFF to stop water flow Spray Master Switch Controls power to nozzle switches This switch allows you to control power to all engaged nozzles at one time Dump Valve Turn switch ON to engage the dump valve and empty the tank Turn switch OFF to close the valve Tank Level Indicator FULL Optional A light comes on when the water tank is near full Sprinklers ON OFF Optional Turn the switch ON to operate sprinkler for the front or rear Selection is provided for left hand or right hand Turn switch OFF to stop the water flow HOSE REEL CONTROL The electric or manual hose reel control is located on the back of the unit Manual Remove crank from storage location and install to shaft and turn hose reel Electric Push the button located on the right side of the reel to rewind the hose Operation 3 14 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION MTA Control Panel WORK AF ecacon 4 LH REAR FRONT REAR HEEB RZ T EMPTY WARNING 449 DUMP LH ROSCO A LeeBoy Company 3 15 Operation MTA STREET FLUSHER OPERATION OPERATING THE MTA The machine is designed to perform all required loading unloading circulating and spraying functions without the need for axillary equipment Each operator should review the appropriate section ref
58. raulic and hydrostatic systems should now be functioning Automatic Transmission Apply the vehicle brakes disengage parking brake place transmission in DRIVE engage PTO place transmission in PARK reapply the parking brake and release the vehicle brakes NOTE It may be necessary to let the truck creep forward slightly to allow the PTO to engage Be sure everyone is Clear of the vehicle 4b Check that the PTO driveline is turning NOTE Front live models have PTO turning constantly to supply fluid to the hydrostatic system Automatic System The Automatic System maintains a constant pre set pressure at all operating conditions It is monitored and controlled by an EDC circuit that sets the hydrostatic pump to maintain the pressure To check the system 1 Set the system to produce a circuit pressure of 30 psi 2 Push all the Flusher Shoe switches in to turn them OFF 3 Move the Master switch to the ON position 4 Briefly activate the individual switches one at atime This will allow water to flow to each shoe 5 Watch the pressure gauge It should drop momentarily until the system adjusts to the new operating condition If it does not determine the source of the problem and correct before starting work Manual System The operator must manually set the pressure using the control potentiometer on the Control Panel The pressure will go up or down with the engine rpm To check the system 1 Set the system to p
59. rk Lights off Beacon Light Switch Place switch in the ON position to turn Beacon Light on Place in OFF to turn Beacon Light off Tank Level Indicator EMPTY A light comes on when the water tank is near empty Oil Pressure Gauge Shows the oil pressure throughout the operating system and the auxiliary engine If oil pressure is too low the automatic shutdown system will engage Water Pressure Gauge Shows water pressure range from 0 to 200 psi Maintain pressure below 100 psi for safe operation Water Temperature Gauge Shows coolant temperature throughout operating system and will indicate if the auxiliary engine is overheating Tachometer Indicates engine speed in rom and guides the operator to select the most desirable operating range of the auxiliary engine Voltmeter Shows the voltage for the auxiliary engine system Throttle Increase throttle soeed by pressing up on throttle switch to obtain desired engine rpm Release switch when engine speed is set Decrease engine rpm by pushing switch down GENERAL DESCRIPTION Ignition Insert key and turn to start the auxiliary engine Engine Warning Light The light will come on to indicate low oil pressure high water temperature or alternator not charging on auxiliary engine Nozzle Switches Switches operate flusher shoes for the front midship or rear positions Selection is provided for LH left hand or RH right hand sides Turn switch ON to operate flushe
60. roduce a circuit pressure of 30 psi 2 Push all the Flusher Shoe switches in to turn them OFF 3 Move the Master switch to the ON position 4 Briefly activate the individual switches one at atime This will allow water to flow to each shoe 5 Watch the pressure gauge It should drop momentarily until the system adjusts to the new operating condition If it does not determine the source of the problem and correct before starting work VISUAL CHECK MTA H 1 Do a final visual check of all hoses lines connectors and couplers for leaks and pinching Be sure there are no leaks before starting to use the machine Reroute any damaged components 2 Check for loose parts Be sure all are tight before starting FUNCTIONAL CHECK MTA Engine Driven 1 Start the remote engine and run at low idle until warmed up CAUTION Be sure flusher shoes are in the OFF position 2 Bring engine up to 1000 to 1500 rpm range 3 Activate nozzle switches for flusher shoes 4 Engage the Spray Master switch on the Control Panel to activate nozzles Adjust engine rpm 5 If any functional problems occur identify the cause and correct before starting ROSCO A LeeBoy Company 3 5 Operation MTA STREET FLUSHER OPERATION VISUAL CHECK MTA 1 Do a final visual check of all hoses lines connectors and couplers for leaks and pinching Be sure there are no leaks before starting to use the machine Rerou
61. t drain valve is closed on water pump 7 Repair or replace any worn broken or defective parts before starting 8 Review and follow the Pre Operation Checklist before starting 9 Calibrate and set the machine before starting Operation 3 20 ROSCO A LeeBoy Company MTA STREET FLUSHER MAINTENANCE 42 GENERAL 42 45 42 TANK 42 DRAINING cenas 4 2 TANG COMPONENTS 42 43 4 3 HYDRAULIC RESERVOIR 4 3 HYDRAULIC 43 43 44 SOLENOIDS 4 4 WATER PUMPR 4 4 SKIRTING 4 4 4 4 ELEGI RIGAL ITEMS 4 4 AUXILIARY ENGINE 4 4 SPRAYBAR AND COMPONENTS 44 45 FLUIDS AND LUBRICANTS 45 GREAS ING
62. te any damaged components 2 Check for loose parts Be sure all are tight before starting CONTROLS FOR MTA H UNITS It is recommended that all operators review this section of the manual to familiarize themselves with the location and function of all controls before starting Controls are located in the cab and at the rear of the machine for operator convenience Use this section of the manual as a guide to control operation when training operators Your unit may have slightly different switches or controls depending on the options ordered with your unit Refer to detail on page 8 GENERAL DESCRIPTION IN CAB CONTROL PANEL Work Lights Turn switch to ON to turn Work Lights on Place in OFF to turn Work Lights off Beacon Light Switch Place switch in the ON position to turn Beacon Light on Place in OFF to turn Beacon Light off Tank Level Indicator EMPTY A light comes on when the water tank is near empty When the indicator light comes on the hydraulic system automatically shuts down shutting off power to the water pump when operating in AUTO mode Water Pressure Gauge Shows water pressure range from 0 to 200 psi Maintain pressure below 100 psi for safe operation Water Pressure Selector Control Rotate knob to obtain operating pressure level Pressure level will vary slightly when more than two nozzles are used Water Pressure Auto Manual Switch Place switch in the AUTO position to hold pressure set on the Water
63. tiever SeetucxGpertore Manual _ Coolant levei Transmission fluid sat Soo Mama 777 _ Overflow tube on tank IES OG 21 I Solenoids are clean Fuses ae er tightsorienses Hydrauichoses Seepartsbook _ Hydraulicfluidtevel seent _ 1 1 121 _ Air systems 8 TE 1 1 1 1 1 1 eL machine PE 0 Skirting LA land iter Seeaboe J ROSCO LeeBoy Company PREVENTIVE MAINTENANCE CHART MTA Action Codes L Lubricate Clean Hours Adjust R Replace A 11 10 1 3 5 2 5 Coolant level Transmission fluid level See truck Pperator s Manual for information Overflow tube on tank 22211 22 222 Air
64. used parts of any kind 5 Repairs made necessary by normal wear and tear or brought about by abuse or lack of maintenance of the equipment except for premature failures 6 Attachments not manufactured or installed by ROSCO 7 Liability for incidental or consequential damages of any type including but not limited to lost profits or expenses of acquiring replacement equipment 8 Miscellaneous charges D OTHER WARRANTIES THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESSED STATUATORY AND IMPLIED WARRANTIES APPLICABLE TO UNITS ENGINES OR PARTS WITHOUT LIMITATION AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR USE OR PURPOSE IN NO EVENT WHETHER AS A RESULT OF BREACH OF CONTRACT OR WARRANTY OR ALLEGED NEGLIGENCE OR LIABILITY WITH OUT FAULT SHALL ROSCO BE LIABLE FOR SPECIAL INDIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOSS OF PROFIT OR REVENUE COST OF CAPITAL COST OF SUBSTITUTED EQUIPMENT FACILITIES OR SERVICES DOWN TIME COSTS LABOR COSTS OR CLAIMS OF CUSTOMERS PURCHASERS OR LESSEES FOR SUCH DAMAGES Introduction 1 4 ROSCO A LeeBoy Company MTA STREET FLUSHER MTA SPECIFICATIONS CAPACITY 1 550 to 4 000 rated U S gallons TANK TYPE amp MATERIAL Steel elliptical cross section with flat flanged and reinforced 7 gauge heads lower section of tank is 7 gauge minimum 7 gauge surge plates upper section of tank is 10 gauge 8
65. uthorities to be sure 3 Maintain the truck in good operating condition 4 Clean all lights and reflectors before driving on a public road Be sure all bulbs are working 5 Make sure the vehicle can be seen clearly by oncoming and overtaking traffic 6 DO drink and drive 7 loaded truck will require more stopping distance than an unloaded vehicle Allow extra stopping space between the truck and the vehicle in front Street Flusher 1 Check the tank tie down hardware a daily basis Tighten as required 2 Do not allow riders on the machine 3 When the tank is loaded do not operate the pump system until the location is reached 4 Remove Flusher shoes if Street Flusher is to be transported long distances Prevents damage from gravel and rock impacting the nozzle spray surface 5 Plug open piping with pipe caps to prevent contamination and damage to threads 6 Raise spraybar wings if your unit is equipped with the 12 ft 3 66m spraybar Secure with anchor chains before transporting FLUSHER SHOES Standard shoe settings vary according to the particular situation found on each street such as construction crown profile widths type of sewage system and water availability Review the job specifications to determine the Flusher shoe application rate required 1 Set Flusher shoes to obtain maximum coverage possible 2 Ensure stream barely overlaps at point of pavement contact 3 Ensure
66. v ra 3 17 STARTING AUXILIARY 3 18 COLD WEATHER STARTING 3 18 SPRAYING 3 18 3 19 STOPPING ee pa 3 19 OPERATING HINTS 3 19 UNLOADING 3 19 STORAGE 3 20 STARTING THE NEW SEASON 3 20 ROSCO A LeeBoy Company 3 1 Operation MTA STREET FLUSHER OPERATION It is very important that the Street Flusher owners and operators fully realize the overall operating procedures of the equipment furnished Complete understanding of the enclosed procedures will insure safe operation and maximum efficiency The ROSCO Street Flushers are designed to transport and apply water to road surfaces The Street Flusher contains an elliptical Stainless steel tank which holds water to apply to road surfaces or for other uses It can be loaded through the manhole cover on top or the fill system A large water pump provides the high pressure to spray the water and is powered by a hydrostatic system on the MTA H or a separate auxiliary engine on the MTA The hydrostatic system may be powered off the front of the truck engine crankshaft front live power or by the truck engine tr
67. veniently moved from the storage area to the work site or between sites Every driver should be trained and follow defensive driving practices Obey all traffic laws Vehicle 1 Review and follow operating instructions in the truck Operator s manual 2 Comply with all road and traffic regulations Check with local transport authorities to be sure 3 Maintain the truck in good operating condition 4 Clean all lights and reflectors before driving on a public road Be sure all bulbs are working 5 Make sure the vehicle can be seen clearly by oncoming and overtaking traffic 6 DO drink and drive 7 loaded truck will require more stopping distance than an unloaded vehicle Allow extra stopping space between the truck and the vehicle in front Street Flusher 1 Check the tank tie down hardware a daily basis Tighten as required 2 Do not allow riders the machine 3 When the tank is loaded do not operate the pump system until the location is reached 4 Remove Flusher shoes if Street Flusher is to be transported long distances Prevents damage from gravel and rock impacting the nozzle spray surface 5 Plug open piping with pipe caps to prevent contamination and damage to threads 6 Raise spraybar wings if your unit is equipped with the 12 ft 3 66m spraybar Secure with anchor chains before transporting FLUSHER SHOES Standard shoe settings vary according to the particular situation
68. water strikes pavement 8 to 12 feet 2 4 to 3 7 m in front of shoe to provide normal coverage and pressure for cleaning 4 Set shoes so water strikes pavement 4 to 6 feet 1 2 to 1 8m from shoe if dirt is heavy or refuse is to be cleaned from street SPRAYING This section explains the procedure to be followed when flushing or spraying It also covers the position and function of applicable controls Review these instructions and follow them to insure the safety of the operator and to maintain a safe working environment Operation 3 10 ROSCO A LeeBoy Company MTA STREET FLUSHER OPERATION 1 Move the System Power switch to the ON position 2 Be sure the Spray Master switch is in the OFF position 3 Before spraying be sure the following items have been performed a Check that Flusher shoes are in the operating position b Place spraybar and wings in their operating configuration if so equipped c Clear the area of bystanders d Select the desired Flusher shoe s by activating the corresponding individual nozzle switch 4 If any sections of the Flusher shoes will not be operating be sure that switch is OFF 5 Align the truck with the area to be sprayed Allow sufficient space for the truck to come to the required speed before it gets to the spraying start point 6 Place the truck in the desired gear axle ratio and engine rpm 7 Proceed toward the start point 8 Activat
69. wer section of tank is 7 gauge minimum 7 gauge surge plates upper section of tank is 10 gauge 8 inch sump 4 inch non corrosive drain plug INDICATOR Equipped with an 80 full indicator PUMP DRIVE Variable displacement hydrostatic pump driven by chassis engine crankshaft front live power with fixed displacement piston motor and EDC control 20 gallon pressurized hydraulic reservoir and replaceable 7 micron filter Truck chassis must be suitable for front live power AUTO PRESSURE CONTROL Pressure set with a dial on control panel water pressure gauge on panel Maintains constant water pressure regardless of speed between 25 mph Speed range depends on drive train specifications WATER PUMP 750 GPM single stage high pressure water pump with 4 inch intake and 4 inch discharge POWER TAKEOFF Hydrostatic transmission of flusher can be driven by a suitable heavy duty power takeoff installed on the truck transmission with shifting control in truck cab if transmission PTO provides for live power TOP OPENING 22 inch diameter with cover NOZZLES 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 slot type nozzles PIPING Standard carbon steel in combination with high pressure rubber hose for increased flexibility LOAD LINE 2 5 inch anti syphon 6 inch air gap with hose TANK MOUN
70. y ATTENTION Do not let the pump run dry Running the pump without liquid will destroy the seal assembly STOPPING To stop spraying lower the auxiliary engine speed to idle Shut down all nozzles on the Control Panel by pushing switches DOWN Turn off engine OPERATING HINTS To achieve the most efficient use of this unit follow the hints below 1 Adjust Flusher shoes to obtain maximum street cleaning and coverage 2 Operate the truck at 4 to 8 m p h 6 to 13 k p h to obtain the best operating conditions Keep the speed down to maintain a safe working environment CAUTION Set the parking brake whenever it is necessary to leave the cab Block the tires to prevent the truck from moving or creeping away when working at the rear of the machine WARNING Clear everyone from the working area before moving the vehicle 3 Maintain the machine in good condition at all times Damaged or worn components can fail during operation and create hazardous conditions Good maintenance can prevent personal injury and expensive down time 4 Drain water tank when the ROSCO Flusher will not be used for more than several days Open all valves to ensure water is drained from lines and hoses ATTENTION Water remaining in piping can freeze and damage unit UNLOADING Review these instructions and follow them to ensure the safety of the operator and to maintain a safe working environment When unloading the tank follow this proce

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