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Safety and Operations Manual NV55 BROOM Manual No. 1030304-SOP Manual No. 1030304-SOP REV A REV A This manual applies to Serial Number 354447 and above.
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The LeeBoy family of companies is committed to total quality management with a strong focus on meeting customer needs. LeeBoy is also proud to be an accredited ANAB manufacturer, which is a certification process comprised of quality standards established by the American National Standards Institute (ANSI) and the American Society for Quality (ASQ).
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2024 LeeBoy 2024 LeeBoy LeeBoy reserves all copyright and other rights in this manual and its content. No part of this manual may be reproduced or used in any way without the written permission of LeeBoy, except as necessary to operate LeeBoy equipment.
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IMPORTANT FOR THE SAFETY OF YOU AND YOUR COWORKERS. READ AND UNDERSTAND you MUST read and understand this manual before operating the Rosco NV55 Broom and follow its THOROUGHLY. HEED THE WARNINGS AND instructions when operating the machine. FOLLOW THE INSTRUCTIONS.
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• Safety signs and labels are additional reminders for safe operating and maintenance techniques. • Failure to observe these directions could result in electrocution or death. • Contact your authorized Rosco/LeeBoy dealer for additional training. • Make sure you are aware of all laws and regulations Electrocution Hazard that are in effect for the location in which the broom is operated.
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When operating machinery there is a risk for Never modify the machine without the written consent fire. Always ensure appropriate safety of Rosco/LeeBoy . Any modification can affect safe equipment is available. operation and may cause personal injury or even death.
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• Never check for a hydraulic fluid or fuel leak with your hands. Always use a piece of wood or cardboard. Have your authorized LeeBoy dealer or distributor repair the damaged parts. Rosco NV55 Broom...
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Hydraulic Systems Precautions Hydraulic Systems Precautions Only use replacement parts approved by Rosco/ • Ensure all components are in good working condition. LeeBoy. Other replacement parts may affect warranty Replace any worn, cut, abraded, flattened or crimped coverage. hoses and metal lines.
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Apply parking brake and turn off the machine. Keep the machine securely parked until the failure is corrected or the machine can be safely transported. Rosco NV55 Broom...
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• Make sure the unit is stored on a surface that is firm, level, and free of debris. • Store the machine inside a building or cover securely with a weatherproof tarpaulin. Rosco NV55 Broom...
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• NEVER operate a vehicle on a single 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. 1-10 Rosco NV55 Broom...
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(Figure 1-1) For additional by Rosco/LeeBoy. help, refer to the parts listing in Section 7 and contact your authorized Rosco/LeeBoy dealer to order a replacement kit. Safety Decal Locations Safety Decal Locations...
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Safety Safety Decal Locations Part #1008622 Part #1021704-03 Part #59020040 1-12 Rosco NV55 Broom...
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5. Slowly remove remaining backing and carefully smooth into place. • Obtain replacement safety decals or signs from your authorized dealer. 6. Small air pockets can be pierced with a pin and smoothed using a piece of decal backing. Rosco NV55 Broom 1-13...
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Exclusion of Other Warranties/Limitation of Liability Exclusion of Other Warranties/Limitation of Liability OTHER THAN THE EXPRESS WARRANTY PROVIDED IN SECTION A. ABOVE, LEEBOY GIVES NO EXPRESS, STATUTORY, OR IMPLIED WARRANTY OR GUARANTEE AND HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, SUITABILITY, DURABILITY, CONDITION, QUALITY, OR FREEDOM FROM CLAIMS OF ANY PERSON BY WAY OF INTERFERENCE, INFRINGEMENT, OR THE LIKE.
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LeeBoy directly. Sales Representative: Dealership Name: Dealership Address: Dealership Phone: Record of Ownership Please complete the following information for use if you need to contact Rosco/LeeBoy for service, parts or literature. Machine Model Number: Product Serial Number: Date of Purchase: Nameplate The nameplate contains the model and serial numbers used to identify the machine and its components for parts or service information.
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Information and Specifications SPECIFICATION CHARTS The specifications provided in this section include the Replace original equipment only with machine weights, dimensions, performance, and torque components approved by Rosco/LeeBoy. values for both metric and standard inch fasteners. 9’ 2” 7’ 3” 7’ 9”...
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Battery 12 Vdc Maintenance Free, Negative Ground Cold Cranking Amps (CCA) 770 CCA Alternator Output Amperage 110 Amps @ 2500 RPMs Manual belt tension mechanism keeps serpentine belt under tension Alternator Fan Belt Tension at all times. Rosco NV55 Broom...
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Table 2-9. Optional Equipment ITEM SPECIFICATION Brush Watering System Poly Tank, 2 @ 75 gal. Strainer, 12-Volt Diaphragm Pump Brush Filler (Water or Tube Type) 7 ft 6 in x 32 in Radio Blue Tooth Back-Up Camera LCD Color Monitor Rosco NV55 Broom...
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Place one wrench on the connector body and tighten the swivel nut with the second to the torque shown in the following table: NOTE: The torque values shown are based upon 1 1/4 lubricated connections. 1 3/8 Rosco NV55 Broom...
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TS = Torque setting indicated on wrench Equations Equations • Torque setting if the crowfoot is placed in line with respect to the wrench: TS = TD * L / LA TS = TD * L / (L+E) Rosco NV55 Broom...
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2. The flats method is most accurate for the first assembly cycle. For multiple disassembly and assembly cycles, torque values are more reliable. 3. Tightening two (2) flats or more may damage seal faces. Rosco NV55 Broom 2-10...
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2. Torque values apply to bolts that are plated or coated in light engine oil. 3. Before assembly, lubricate O-Ring with light oil (SAE 10W or 20W). Rosco NV55 Broom 2-11...
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2. When using a male tapered pipe thread with a female straight or parallel pipe thread, maximum values are 50% of those listed in the table above. 3. If thread sealant is used, maximum values shown should be decreased by 25%. Rosco NV55 Broom 2-12...
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Foot Pedal Controls (Option) ......3-8 Heat and Air Conditioning ......3-9 Rosco NV55 Broom...
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Operator Controls Operator Controls The Rosco NV55 Broom is equipped with a fully- enclosed, pressurized cab for maximum operator comfort on the job site, including air conditioning and heat. Cab options are also available.
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The buttons operate solenoid-controlled hydraulic valves. Hydrostatic Drive System Hydrostatic Drive System The Rosco NV55 Broom is a hydrostatic, self-propelled unit. The hydrostatic drive and hydraulic systems power the steering and broom drives using one common hydraulic oil tank.
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Filler cap for water tank (one on each side) if equipped with optional Dust Water Tank Filler Cap Suppression System. Drain plug underneath. Dust Suppression System Water tank mounted on both sides of machine. Each tank holds 75 gallons. Water Tank(s) [Option] Rosco NV55 Broom...
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Illuminates when right turn signal is engaged. High Gear Light Illuminates when High Gear is engaged. Park Brake Light Illuminates when the park brake is engaged. Cab Fan Turns cab fan on and off. Turn button right to activate. Rosco NV55 Broom...
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Push button left for left turn signal. Push button right for right turn signal. Turns brush rotation on and off. Push lever forward to engage. Pull lever Brush Drive Engage Lever backward to reverse brush rotation. Park Brake Lever Raise to engage park brake. Lower lever to release park brake. Rosco NV55 Broom...
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Push the Raise/Float button forward (raise) or back (float) for brush raise and Raise/Float float control. Starting: Firmly press pedal to start machine. Brake Pedal Braking: GENTLY press pedal to stop machine. The pedal is very sensitive. Rosco NV55 Broom...
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Figure 3-3. Heat and Air Conditioning Controls Item COMPONENT FUNCTION Adjusts temperature and Heat turns heat on and off. Controls blower fan for heat and air conditioning. Adjusts temperature and Air Conditioning turns air conditioning on and off. Rosco NV55 Broom...
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Spare Tire ......4-22 Rearview Camera System ..... . 4-22 Rosco NV55 Broom...
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Receiving the Machine Receiving the Machine Although the NV55 Broom has been checked The Rosco NV55 Broom is a hydrostatic, self-propelled thoroughly by the manufacturer, road hazards or other unit. The hydraulically-controlled NV55 Broom can factors during transport may result in damage. Inspect brush, scour and remove job site debris with ease.
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NEUTRAL Bolts position before starting the machine. Figure 4-1. ROPS in Shipping Position To start the Rosco NV55 Broom: Ensure the park brake is engaged before starting the machine. 2. Place the transmission selector lever into the NEUTRAL position.
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It is important that the operator become familiar with an accident, i.e., manholes, signs, and road debris, etc. driving the Rosco NV55 Broom and its components before operating the machine. Know and understand • Vehicles parked on inclines should use appropriately- the controls and their functions before operating on the sized blocks placed behind or in front of the tires.
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Broom, the door will lock into place for operator convenience. Simply pull the door release knob to release the door from its locked position. (Figure 4-6) Figure 4-4. Seat Adjustment Door Release Knob Figure 4-6. Cab Door Release Knob Rosco NV55 Broom...
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• Push the joystick forward to move the broom forward. • Pull the joystick backward to move the broom into reverse. NOTE: Placing this joystick into reverse activates the back-up alarm to alert others of the machine’s reverse motion. Rosco NV55 Broom...
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• Push the Raise/Float button forward or back for brush raise and float settings. (The side shift feature is not available for this model, therefore the switch is nonfunctional.) Figure 4-9. Wait to Start Screen Rosco NV55 Broom...
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• Stored Fault Codes • Total Machine Hours NOTE: Up to four (4) warning symbols can be shown at a time (upper left icon area). The most important symbol will be shown first followed by any others by priority. 4-10 Rosco NV55 Broom...
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When a warning message is displayed, an amber light will illuminate on the keypad. (Figure 4-11) If the red light illuminates, shut off the engine and resolve the problem to prevent possible damage. Rosco NV55 Broom 4-11...
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Brush Swing RIGHT LEFT Figure 4-12. Sweeping Mill Cut Road Construction The Rosco NV55 Broom features excellent broom control and functionality for a variety of industrial and commercial applications. Operator controls are conveniently located on the control panel to the operator’s right side.
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If equipped with this option, use the lower two buttons on the joystick to swing the brush left or right. (Figure 4-13) Rosco NV55 Broom 4-13...
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• Engage the dust suppression system when sweeping in extremely dusty areas, especially when sweeping in high-traffic areas, if equipped with this option. Brush Down Pressure Dial Figure 4-17. Brush Down Pressure Knob 4-14 Rosco NV55 Broom...
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NOTE: Be sure to grease the brush core shaft 2. Determine where you want to drop the used brush, bearings and lift pivot daily using a multi- park and apply the park brake. purpose grease for optimum operation. Rosco NV55 Broom 4-15...
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By hand, position the new brush core to align with the drive hub, then turn the Open-Close switch on the forward controls to the Close position to close the frame. (Figure 4-21) NOTE: Some adjustment to the core may be needed to ensure proper installation. 4-16 Rosco NV55 Broom...
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3. Park the transport vehicle on a level surface and set the park brake. 4. Install chocks or blocks against the truck and trailer wheels. Rosco NV55 Broom 4-17...
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D-Ring tie-downs located on each side of Steel Tube, Poly Wafer, or Poly/Steel Water brushes. the frame front and rear. (Figure 4-23) Contact your authorized Rosco LeeBoy dealer for purchase. • Be careful you do not place chains or cables over the broom’s hoses or electrical harnesses.
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(Figure 4-27) Adding the forward and reverse transmission foot pedal in lieu of the joystick control allows for a broader range of operator driving opportunities. (See Page 4-9 for detailed information). Rosco NV55 Broom 4-19...
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Use a plastic screwdriver (included) or wooden toothpick to adjust dip switches and volume control. Failure to follow these instructions Display Window can lead to nonfunction or permanent damage to the unit! Figure 4-29. Cab Unit 4-20 Rosco NV55 Broom...
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Table 4-7. Set Alarm Signal Pressure Level Switch Position Alarm DIP 1 DIP 2 DIP 3 DIP 4 Pascal Inches of H2O 0.16 0.20 Rosco NV55 Broom 4-21...
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Your paver is shipped with two magnetic cup holders, but you can purchase more. Figure 4-31. Cab Unit (Figure 4-33) See your authorized dealer for details. Ask for Part Number 1020521. Figure 4-33. Magnetic Cup Holder 4-22 Rosco NV55 Broom...
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Engine Operator’s Manual accompanying your machine for more detailed engine service information. Before performing any maintenance procedures on the Rosco NV55 Broom, review the safety information in When performing any routine maintenance, always Section 1. include the previous routine maintenance hours in the higher hourly schedule.
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10. Check hydraulic fluid at master cylinder in cab on other engine preventive maintenance described in the floor. (Page 5-26) the Engine Operator’s Manual. 11. Perform any other engine preventive maintenance described in the Engine Operator’s Manual. Rosco NV55 Broom...
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Engine Operator’s Manual. components: Locate and clean the single grease fitting at each of the lubrication points. 2. Apply one shot of grease to each fitting with a manual (hand) grease gun. 3. Wipe away any excess grease. Rosco NV55 Broom...
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Every 6 Months Brush Lift Mechanisms * Multi-Purpose Grease Daily Brush Lift Cylinder Multi-Purpose Grease Daily Brush Pivot Cylinder * Multi-Purpose Grease Daily * If equipped with the side shift option, additional lubrication points are shown on Page 5-8. Rosco NV55 Broom...
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Maintenance Weekly Lubrication Weekly Lubrication King Pin Bushings Tie Rod Rosco NV55 Broom...
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4. Replace the plug. 6. Remove the level plug and check oil level. 5. Follow Steps 1 - 4 on the other side. Add more oil if needed. Breather Plugs Plug Fill Level Drain Plug Rosco NV55 Broom...
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This also prevents filling the engine with too much The engine lubrication oil filter must be lubrication oil. Engine oil should be warm when changed when the engine lubrication oil is changed. checked. 5-10 Rosco NV55 Broom...
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12. Clean, reinstall and carefully tighten the lubrication oil drain plug. DO NOT overtighten the drain plug. 13. Fill the engine with 7.4 quarts of oil. 14. Reinsert the dipstick. Rosco NV55 Broom 5-11...
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• Inspect the fan belt for serviceability, looking for signs of cracking, tearing or separation. Replace if damaged. • Check that radiator cap is properly tightened. A gap between the cap and seal accelerates coolant loss. 5-12 Rosco NV55 Broom...
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STOP the engine immediately if any fuel leakage is noted. DO NOT start the engine until 2. Remove fuel cap from fuel tank. the leakage problem is corrected. 3. Fill with diesel fuel until full. 4. Replace fuel cap. Rosco NV55 Broom 5-13...
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Make certain the vent caps are tight to prevent solution from entering the cells. After cleaning, pour clean water over the battery and surrounding area to wash the solution away. 5-14 Rosco NV55 Broom...
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• If storing the machine for more than 30 days, be sure to remove the battery and store it separately in a cool, dry place. Continue to keep the battery fully charged and check the level of electrolyte regularly to prevent damage or corrosion. Rosco NV55 Broom 5-15...
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8. Install red (+) battery cable to the positive (+) battery terminal. 9. Install the black (-) battery cable to the negative (-) battery terminal. 10. Reattach the battery box cover and reconnect the Battery Master Switch battery box locks. Figure 5-11. Battery System 5-16 Rosco NV55 Broom...
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(-) to negative (-) and positive (+) to covering the wiring to prevent future damage to the positive (+). wiring harness. Examine the routing of the harness and ensure it is not subjected to excessive movement, which often causes broken wiring. Rosco NV55 Broom 5-17...
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Numerous electrical issues throughout the replacement. machine can be avoided by the proper application and use of dielectric grease. Figure 5-14. Correct Application of Dielectric Grease Figure 5-13. Fuse Panel and Fuse Sizes 5-18 Rosco NV55 Broom...
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• Plug in the male connector. of the need for service. See your authorized LeeBoy/ DO NOT force connector to lock if too Rosco dealer if these components need servicing.
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• Fill tank to the fill line on sight gauge. (Figure 5-16) • Remove and clean the fill strainer cap, then reinstall. Hydraulic Strainer Filter Fill Line Sight Gauge Figure 5-17. Hydraulic Filter Location Fill Line Figure 5-16. Hydraulic Sight Gauge and Filler Cap 5-20 Rosco NV55 Broom...
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Figure 5-18. Hydraulic Tank Suction Strainers 11. Replace the hydraulic oil fill strainer cap onto the reservoir filler neck and tighten securely. 12. Start the engine and operate hydraulic controls several times. 13. Check the hydraulic system for any leaks. Rosco NV55 Broom 5-21...
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Frequent inspection reducing valve on left side of main manifold. for leaks will indicate the need for service of these com- ponents. See your authorized Rosco/LeeBoy dealer for 4. Remove valve cap with an Allen wrench. service if needed.
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ALWAYS use a torque wrench. Never cut or weld on inflated tire/rim assembly. Heat from welding can cause an increase in pressure and may result in tire explosion. Rosco NV55 Broom 5-23...
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11. Align the mounting holes with the studs on the hub. Spots tire skidding. 12. Reinstall lug nuts (6), tightening every other lug nut alternately in a star pattern. 13. Torque to 80 ft lbs. 14. Remove supports and lower jack. 5-24 Rosco NV55 Broom...
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Work fresh grease inside the wheel hub, ensuring nuts from wheel, then remove tire and wheel, placing the outer edges are fully covered, and put liberal it clearly away from the work area. (Figure 5-22) 4. Remove nuts and washers. Rosco NV55 Broom 5-25...
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13. Repeat procedure on the other wheel. Master Cylinder Fill BRAKES The NV55 is equipped with hydraulic brakes. Check the Figure 5-23. Master Cylinder Brake Fluid Fill Park Brake Adjustment Park Brake Adjustment Only a qualified service technician 5-26 Rosco NV55 Broom...
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3. Reinsert or replace the nozzle if needed. 4. If the nozzle is still clogged or not spraying properly, contact your authorized Rosco/LeeBoy dealer for replacement nozzle(s). Ensure the water tank, strainer, pump and all lines are completely drained to prevent damage from freezing if storing broom in temperatures below freezing.
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Add cold-weather additive when appropriate. If machine is equipped with Diesel Exhaust Fluid (DEF), the DEF may stored in the machine’s tank up to four months. If storing any longer, drain the DEF fluid into an approved container. 5-28 Rosco NV55 Broom...
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If you do not run the engine for six months or longer, apply engine oil to the valve guide and stem seal before starting. Rosco NV55 Broom 5-29...
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DO NOT weld on or near fuel tanks. DO NOT weld near electrical components and harnesses. All components should be protected from heat and welding sparks. 5-30 Rosco NV55 Broom...
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It is CRITICAL to use the correct Once all system connections are made, the motor mounting hardware. should be run for 15 - 30 minutes at no-load and half- speed to bleed air from the hydraulic system. Rosco NV55 Broom 5-31...
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Troubleshooting Chart Troubleshooting Chart The troubleshooting chart below identifies the most If the problem persists, contact your authorized LeeBoy common symptoms of mechanical problems. Fault dealer for assistance or repair. codes are also shown on the PV380 Digital Display unit on the Operator Control Panel.
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Alternator malfunctioning. Replace alternator. Circuit breaker tripped. Reset circuit breaker. Faulty gauge or sender. Replace gauge or sender. Instrument gauges don’t Alternator not charging. Repair wiring or replace alternator. work. Faulty wiring. Replace wiring or connector. Rosco NV55 Broom 5-33...
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Engine oil pressure is low. Replace fuel injector, fuel transfer pump and Oil diluted with fuel. injection pump. Oil diluted with coolant. See your authorized Rosco/LeeBoy dealer. Incorrect oil specifications. Change oil. Oil pressure sender or gauge Replace oil pressure sender or gauge.
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ST Engineering LeeBoy, Inc., dba LeeBoy 500 Lincoln County Parkway Ext. Lincolnton, North Carolina 28092 Phone: (704) 966-3300 - Fax Sales: (704) 483-5802 www.LeeBoy.com Printed in the U.S.A.
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