1. Manuals
  2. Brands
  3. Advance acoustic Manuals
  4. Scrubber
  5. Hydro-Retriever 4500 462000
  6. Service manual

Advance acoustic Hydro-Retriever 4500 462000 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

SERVICE
Hydro-Retriever 4500
Models 462000, 462001, 463144
463408, 463409, 463394
TM
TigerCat 4500
Models 462000, 462001, 463144
463408, 463409, 463394
Machine Manual Only
12/91 Form Number 043013
TM

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Hydro-Retriever 4500 462000 and is the answer not in the manual?

Questions and answers

Related Manuals for Advance acoustic Hydro-Retriever 4500 462000

Summary of Contents for Advance acoustic Hydro-Retriever 4500 462000

  • Page 1 SERVICE Hydro-Retriever 4500 Models 462000, 462001, 463144 463408, 463409, 463394 TigerCat 4500 Models 462000, 462001, 463144 463408, 463409, 463394 Machine Manual Only 12/91 Form Number 043013...

  • Page 2: Table Of Contents

    GENERAL INFORMATION AND SAFETY TABLE OF CONTENTS ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Accessory Pump Removal ................81 Alternator Replacement .................68 Broom Housing Skirts ..................15 Cylinder Control Valve ...................78 Drive Pedal Linkage Adjustments ..............61 Drive Wheel, Drive Motor, Steering Spindle Removal ........62 Dust Control Filter ..................24 Dust Control Shut-off Adjustment..............28 Dust Control System General Information .............23 Dust Control System Troubleshooting ............29...
  • Page 3 GENERAL INFORMATION AND SAFETY TABLE OF CONTENTS ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Recovery Tank Removal ................46 Reverse Switch Adjustment ................55 Scrub Brush Belt Removal ................34 Scrub Brush Motor Removal ................36 Scrub Brush System General Information .............34 Scrub Brush System Troubleshooting............37 Shaker Switch Removal .................28 Side Broom ....................18 Side Broom Lift Valve..................80 Solution System General Information ............31...

  • Page 4: General Information & Safety

    GENERAL INFORMATION AND SAFETY ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ OTHER MANUALS AVAILABLE FOR THE TIGERCAT The following manuals are available from the Advance Literature Service Department: • TigerCat Parts List - Advance Form Number 042237 • TigerCat Operation Manual - Advance Form Number 041230 •...
  • Page 5 GENERAL INFORMATION AND SAFETY FIGURE 1 1 Tie-Down on Each Side 2 Tie-Downs Under Rear Bumper ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ TOWING The rear (drive) wheel should be lifted off of the ground for towing, to avoid damaging the hydrostatic drive system. If the machine must be towed or pushed with the rear wheel on the ground, do not move the machine faster than walking speed or a distance of more then 500 feet (150 meters).
  • Page 6 GENERAL INFORMATION AND SAFETY ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL SAFETY INSTRUCTIONS The words CAUTION!, WARNING!, and DANGER! are used in this manual to help you recognize situations that may cause bodily injury or property damage. Carefully read information beginning with these words and take necessary steps to protect personnel and property.
  • Page 7 GENERAL INFORMATION AND SAFETY ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL SAFETY INSTRUCTIONS (continued) WARNING! Do not allow loose clothing, jewelry or hair to become tangled in moving parts. WARNING! Use caution to prevent loose clothing or hair from being pulled into the engine cooling fan. WARNING! Remove all jewelry when working near electrical components.

  • Page 8: Specifications & Maintenance

    SPECIFICATIONS AND MAINTENANCE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SPECIFICATIONS Description English Metric Cooling System Capacity 7 qts 6.6 l Dust Control Filter Area 125 sq ft 11.6 sq m Engine - See Page 63 Fuel Tank Capacity (Gasoline & Diesel) 10 gal 38 l Hopper Capacity - Volume 15 cu ft 425 l...
  • Page 9 SPECIFICATIONS AND MAINTENANCE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DIMENSIONS 58 inches (147 cm) FIGURE 1 108 inches (275 cm) 67-3/4 inches* (172cm) 58-3/4 inches (149cm) 50 inches 24-3/4 inches (127 cm) (63 cm) * 87 inches (221 cm) with Overhead Guard TigerCat, Hydro-Retriever 4500 Service Manual...
  • Page 10 SPECIFICATIONS AND MAINTENANCE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Maintenance Chart maintenance interval (hours of operation) check engine coolant level • check hydraulic oil level • drain and flush solution tank • flush solution valves • inspect squeegee blades • inspect, rotate main broom • adjust main broom height •...
  • Page 11 SPECIFICATIONS AND MAINTENANCE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ADDITIONAL MAINTENANCE ITEMS • Change the hydraulic oil filter when the “service filter” indicator light (on the dashboard) glows. • Service the engine air filter whenever the red flag is visible in the filter service indicator (located in the engine compartment, on the air filter).

  • Page 12: Main Broom

    SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION The main broom, the broom housing and the hopper are the main parts of the sweeping system. The main broom lifts the dirt off of the floor and into the hopper. The broom housing and its skirts keep the litter and dust from spreading beyond the sweeping path of the machine.
  • Page 13 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MAIN BROOM ADJUSTMENTS The working height of the main broom is adjustable to compensate for bristle wear. Before adjusting the main broom height, measure the length of the bristles. The broom should be replaced if the bristles are worn to a length of 2 inches (5 cm) or less.
  • Page 14 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MAIN BROOM ADJUSTMENTS (continued) Loosen the (2) “A” bolts (see Figure 1) and lock nuts “B” and “E”. To raise the left end of the broom, turn bolts “C” and “D” downward. To lower the left end of the broom, turn the bolts upward.
  • Page 15 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MAIN BROOM ADJUSTMENTS (continued) Rotating or Replacing the Main Broom Since the main broom motor always turns in the same direction, the bristles eventually become curved. When this occurs, sweeping performance can be improved by removing the broom and turning it around (end for end) so that it will turn in the opposite direction.
  • Page 16 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MAIN BROOM ADJUSTMENTS (continued) Pull idler assembly “B” away from the broom and.pull the broom out of the broom housing. Remove any debris wrapped around idler hub “C”. If the hub doesn’t turn freely, remove it from the idler assembly and look for debris between the hub and string guard “D”.
  • Page 17 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MAIN BROOM ADJUSTMENTS (continued) Main Broom Motor Removal Open the door at the right end of the broom housing and remove the idler assembly from the end of the broom. Then pull the broom out of the broom housing. Remove the (7) screws holding the cover at the left end of the broom housing.

  • Page 18: Broom Housing Skirts

    SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ BROOM HOUSING SKIRTS Rubber or urethane skirts are installed at the front, back and sides of the broom housing to keep dust and debris confined during sweeping. For good sweeping performance, all of these skirts must be in good condi- tion and adjusted for proper contact with the floor.
  • Page 19 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ BROOM HOUSING SKIRTS (continued) Middle Skirt - Remove the (7) “B” bolts and cover “C”. Then remove the “D” bolts and the straps holding the middle skirt in place. Inner Skirt - Remove the (7) “B” bolts and cover “C”. Then remove the (6) “E” bolts and the straps holding the middle skirt in place.
  • Page 20 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ BROOM HOUSING SKIRTS (continued) Replacing the skirt at the back of the broom housing Raise the hopper and install the hopper safety support. Open the broom access door and remove the broom from the machine. If the heads of the skirt mounting bolts face toward the front of the machine, remove the bolts, strap and skirt.

  • Page 21: Side Broom

    SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SIDE BROOM The side broom is designed to move dust and debris from along a curb or wall, into the path of the main sweeping broom. Side Broom Height Adjustment The side broom should be positioned so that the bristles from the “10 o’clock “ position to the “3 o’clock” position (as viewed from the operator’s seat) touch the floor.
  • Page 22 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SIDE BROOM (continued) Side Broom Angle Adjustment The side-to-side tilt of the side broom is adjustable. Once adjusted at the factory, re-adjustment is seldom necessary. If adjustment is required, loosen the (2) “J” bolts (see Figure 5), tilt the broom to the desired angle and re-tighten the bolts.

  • Page 23: Hopper Adjustments

    SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HOPPER ADJUSTMENTS Remove the broom from the broom housing. Look into the broom housing to see if the seals at the sides of the hopper opening are parallel to and sealed against the sides of the broom housing. If they are not, adjust hopper angle bolts “A”...
  • Page 24 SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HOPPER ADJUSTMENTS (continued) To adjust the cylinder... Hold the hopper switch in the HOPPER UP position just long enough for the hopper to tilt forward. Reach behind the top of the hopper, loosen the lock nut on the hopper cylinder rod and turn the rod clockwise to increase downward flex of channel “B”...

  • Page 25: Sweeping System Troubleshooting

    SWEEPING SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SWEEPING SYSTEM TROUBLESHOOTING Problem: Debris left on the floor Possible Cause and Remedy: Operator running machine with engine speed switch in the IDLE position - instruct operator to run ma- chine with switch in HIGH. Operator driving machine too fast. Hopper full - empty hopper.

  • Page 26: Dust Control System General Information

    DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION The dust control system prevents dust from flowing out of the broom housing and polluting the air around the machine. Air enters the dust control system through gaps in the broom housing skirts. The air stream carries dust (raised by the broom) through the broom housing, through the hopper and into the dust control filter.

  • Page 27: Dust Control Filter

    DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION (continued) When sweeping on a wet surface the dust control lever should be put in the OFF position. This opens a butterfly-type valve which stops air flow. If this procedure is not followed, moisture will be pulled into the filter, mix with the dirt and form a hardened coating that is difficult to remove.
  • Page 28 DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ CLEANING THE DUST CONTROL FILTER WARNING! Wear a protective mask to prevent inhaling of dust while servicing the filter. WARNING! Wear eye protection while servicing the filter. CAUTION! Be careful not to puncture the filter while cleaning. Use a vacuum cleaner to remove as much dirt as possible from the filter.

  • Page 29: Lower Impeller Belt, Shaft Or Bearing Replacement

    DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ LOWER IMPELLER BELT, SHAFT OR BEARING REPLACEMENT Drain cooling system, using drain valve “A” (see Figure 2). FIGURE 2 Front Disconnect the electrical connector and the vacuum hose from Ignition controller “B”. Disconnect hose “C” from the water pump. Disconnect hose “D”...
  • Page 30 DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ LOWER IMPELLER BELT, SHAFT OR BEARING REPLACEMENT (continued) Loosen the bolts holding bearing block “G” (see Figure 4). FIGURE 4 Front Loosen the lock nut on bolt “H” and turn the bolt to release tension on the “J” impeller belts. Replace these belts as a matched set only.

  • Page 31: Dust Control Shut-Off Adjustment

    DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SHAKER SWITCH REMOVAL Remove the access panel from the left side of the operators compartment. Remove the nuts and wires from the (2) terminals on switch “D” (see Figure 5). Remove the (2) “E” bolts and remove the switch. Follow steps in reverse order to re-install the switch.

  • Page 32: Dust Control System Troubleshooting

    DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DUST CONTROL SYSTEM TROUBLESHOOTING Problem: Dust flows out of broom housing while sweeping. Possible Cause and Remedy: Operator running machine with engine speed switch in the IDLE position. Instruct operator to run ma- chine with switch in HIGH SPEED position. Operator running machine with dust control lever in the OFF position.
  • Page 33 DUST CONTROL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DUST CONTROL SYSTEM TROUBLESHOOTING (continued) Problem: Dust blows out of louvers in engine cover. Possible Cause and Remedy: Dust leaking around filter gasket. Remove filter and replace gasket. Hole in filter - replace filter. Problem: Shaker motor will not run. Possible Cause and Remedy: Blown fuse F5- replace fuse.
  • Page 34 SOLUTION SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION When the machine is going to be used for wet scrubbing, the solution tank is filled water and soap. This solution flows from the solution tank to the main solution valve, located behind the broom housing, near the center of the machine.

  • Page 35: Solution Valve Cable Removal

    SOLUTION SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SOLUTION VALVE REMOVAL Remove the lower-right body panel (behind the broom door) from the machine. Loosen the clamps on the inlet and outlet hoses and remove them from the hose barbs. Remove the nuts holding the end of the solution cable onto the valve arm. Remove the (4) nuts holding the valve onto it’s mounting bracket.

  • Page 36: Solution Tank Removal

    SOLUTION SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SOLUTION TANK REMOVAL Drain the solution and the recovery tanks. To drain the solution tank, move the solution control lever to the ON position or (on machines so equipped) remove the plug in the solution drain hose, located on the lower-left side of the machine.

  • Page 37: Scrub Brush Belt Removal

    SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION The scrub brush system consists of 4 disc-type scrub brushes, 2 gear boxes driven by a hydraulic motor. A cogged belt transmits power from the motor to the right gear box. A flexible coupler is used to connect the left gear box to the right gear box.
  • Page 38 SCRUB BRUSH SYSTEM FIGURE 1 TigerCat, Hydro-Retriever 4500 Service Manual...

  • Page 39: Scrub Brush Motor Removal

    SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SCRUB BRUSH MOTOR REMOVAL Start the engine, put the squeegee switch in the down position and remove the squeegee from the machine. Put the scrub brush switch in the OFF position and remove the (4) scrub brushes. Put the scrub brush switch in the ON position (to lower the brush drive assembly) and turn the ignition switch OFF.

  • Page 40: Scrub Brush System Troubleshooting

    SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SCRUB BRUSH SYSTEM TROUBLESHOOTING Problem: Scrub brushes will not turn or go down. Check fuse F5. • If fuse is blown, replace it and try brushes again. • If fuse is not blown, go to step 2. Raise the hopper and install the safety support on the hopper lift cylinder.
  • Page 41 SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SCRUB BRUSH SYSTEM TROUBLESHOOTING (continued) Problem: Brushes will not come up. Start the engine and check to see if the hopper will move up and down and if the dump door will open. • If the hopper lift and hopper dump door operate properly, go to step 4. •...
  • Page 42 SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SCRUB BRUSH SYSTEM TROUBLESHOOTING (continued) Turn the key switch on but do not start the engine. • Put the brush switch in the OFF position. • Open the engine cover and locate the yellow/brown wire connected to the brush up limit switch. The switch is mounted next to the brush lift cylinder.
  • Page 43 SCRUB BRUSH SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SCRUB BRUSH SYSTEM TROUBLESHOOTING (continued) Problem: Brushes start but will not come down Turn the key switch on but do not start the engine. • Put the brush switch in the ON position. • Remove the lower-rear body panel from the left side of the machine, for access to the cylinder control valve.
  • Page 44 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION The vacuum system lifts water and dirt off the floor and into the recovery tank. The main parts of the vacuum system are shown in Figure 1. In order for the vacuum system to operate properly, all the air moved by the vacuum (upper) impeller must enter the system through the squeegee.

  • Page 45: Vacuum System Testing

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ VACUUM SYSTEM TESTING A waterlift gauge and adapter are required to properly check the performance of the vacuum system. To test the system... Remove the hose from the squeegee tool, install the vacuum gauge adapter in the hose and tighten the hose clamp.

  • Page 46: Vacuum System Service Checklist

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ VACUUM SYSTEM SERVICE CHECKLIST Whenever the vacuum system does not perform properly, the entire system should be inspected, following the checklist below. Inspect the hose between the squeegee and the recovery tank for damage. Park the machine outside or near a floor drain. Open the engine cover, loosen the clamp holding the squeegee (left) hose onto the recovery tank and pull the hose off the tank.

  • Page 47: Squeegee

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE ADJUSTMENTS There are 2 adjustments that affect the floor-wiping performance of the squeegee; the squeegee angle adjust- ment and the blade angle adjustment. The squeegee angle adjustment allows the entire squeegee assembly to be tilted from front-to-back, so the edge of the blades touch the floor equally, across the entire width of the squeegee.
  • Page 48 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE BLADE SERVICE There are 3 rubber blades on the squeegee. The front blade increases the velocity of air entering the squee- gee by forcing the air to flow through small slots. The middle blade wipes the water off the floor. The rear blade supports the middle blade.

  • Page 49: Recovery Tank Removal

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ RECOVERY TANK REMOVAL Drain the tank by removing the plug from the drain hose, located on the right side of the machine, below the operator’s seat. Remove the access panel from the left side of the operator’s compartment, loosen the clamp on the drain hose and remove the hose from the bottom of the tank.
  • Page 50 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ UPPER IMPELLER BELT REPLACEMENT Drain the cooling system, using drain valve “A” (see Figure 6). Disconnect the electrical connector and the vacuum hose from ignition controller “B”. Disconnect hose “C” from the water pump. Disconnect hose “D” from the top of the radiator. FIGURE 6 Front TigerCat, Hydro-Retriever 4500 Service Manual...
  • Page 51 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ UPPER IMPELLER BELT REPLACEMENT (continued) FIGURE 7 Remove the “E” bolts from grill panel “F” (see Figure 7). Pull the radiator assembly away from the machine. Loosen the bolts holding bearing block “G” (see Figure 8). Loosen the lock nut on bolt “H” and turn the bolt to release tension on the (2) “I”...
  • Page 52 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ UPPER IMPELLER BELT REPLACEMENT (continued) 10 Remove the (2) bolts and the nut plate that hold bearing “G” in place (see Figure 8). 11 Loosen the (4) “J” bolts and the (2) “K” bolts. 12 Loosen the locknut on bolt “L” and turn the bolt to release tension on upper impeller belt “M”. 13 Reach in above the lower impeller and work the belt past the exhaust heat shield, toward the radiator-end of the engine.
  • Page 53 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ LOWER IMPELLER BEARING REMOVAL Clean all dirt from the impeller shaft, using emery cloth, a file or a wire brush and loosen the “W” set screws (see Figure 9). Collar “X” must be turned to release the pillow block bearing from the shaft. Use a drift punch and hammer to break the collar loose, as shown.
  • Page 54 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ UPPER IMPELLER SHAFT HOUSING REMOVAL Lift the engine cover and remove the top retaining clip from the left engine cover support cylinder. Let the cylinder pivot on its bottom swivel so the rod points downward. Prop the engine cover up if necessary. Remove the (16) screws holding cover “A”...
  • Page 55 VACUUM SYSTEM FIGURE 10 Radiator TigerCat, Hydro-Retriever 4500 Service Manual...
  • Page 56 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM The squeegee is raised and lowered by a hydraulic cylinder. Solenoid valves control the flow of hydraulic oil to the cylinder. The solenoid valves are controlled by the squeegee up/down switch (on the dashboard), the up and down limit switches (in the engine compartment, next to the cylinder) and the reverse switch (located next to the lever on the side of the propulsion pump).
  • Page 57 VACUUM SYSTEM FIGURE 11 Up Limit Switch Down Limit Switch ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ UP LIMIT SWITCH ADJUSTMENT To check and adjust the up limit switch... Put the squeegee in the up position and measure the distance from the floor to the bottom of the lowest squeegee blade.

  • Page 58: Reverse Switch Adjustment

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ REVERSE SWITCH ADJUSTMENT The reverse switch raises the squeegee and turns on the back-up alarm when the drive pedal is moved into reverse. To adjust the reverse switch... Start the engine and make sure that the machine does not move with the drive pedal in the neutral position.

  • Page 59: Squeegee Lift System Troubleshooting

    VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM TROUBLESHOOTING Problem: Squeegee will not go up (stuck in down position) Start the engine and check to see if the hopper will move up and down and if the dump door will open. If the hopper lift and hopper dump door operate properly, go to step 4. If the squeegee lift, hopper lift or hopper dump door do not operate, stop the engine and go to step 2.
  • Page 60 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM TROUBLESHOOTING (continued) Remove the cover panel at the lower-left corner of the machine, for access to the cylinder control valve. Turn the key switch to the on position, but do not start the engine. Put the squeegee switch (on the dashboard) in the up position.
  • Page 61 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM TROUBLESHOOTING (continued) Start the engine and put the drive pedal in reverse. If squeegee goes up with the pedal but not with the switch, replace the squeegee control switch on the dashboard. If the squeegee does not go up, go to step 5. Turn the key switch on but do not start the engine.
  • Page 62 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM TROUBLESHOOTING (continued) Problem: Squeegee will not go down (stuck in up position) Start the engine and check to see if the hopper will move up and down and if the dump door will open. If the hopper lift and hopper dump door operate properly, go to step 4.
  • Page 63 VACUUM SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SQUEEGEE LIFT SYSTEM TROUBLESHOOTING (continued) Locate the gray/white wire connected to the down limit switch. Measure voltage between this wire and the frame of the machine, with the key switch on and the squee- gee switch (on the dashboard) in the down position. 12 volts - replace the down limit switch 0 volts - go to step 6.

  • Page 64: Drive Pedal Linkage Adjustments

    DRIVE SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DRIVE PEDAL LINKAGE ADJUSTMENTS Adjust the drive pedal linkage if the machine has a tendency to creep forward or reverse with the pedal in the neutral position. Jack up the back of the machine so the drive wheel is off the floor, and install jack stands under the frame for safety.

  • Page 65: Drive Wheel, Drive Motor, Steering Spindle Removal

    DRIVE SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DRIVE WHEEL, DRIVE MOTOR, STEERING SPINDLE REMOVAL The following tools are required to remove the drive wheel: • 1-3/4 inch wrench for the wheel retaining nut. • 5 inch spread puller and (2) 1/2-13 bolts to pull wheel off the tapered motor shaft. To remove the drive wheel...
  • Page 66 DRIVE SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ DRIVE WHEEL, DRIVE MOTOR, STEERING SPINDLE REMOVAL (CONTINUED) Install a puller and bolts, using the tapped holes in the wheel casting. Tighten the bolts and puller to put tension on the wheel. Tap on the puller to break the wheel loose from the tapered motor shaft. Put a jack under the wheel for support, remove the wheel nut and carefully work the wheel off the motor shaft.

  • Page 67: Engine Specifications

    ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GASOLINE AND PROPANE ENGINE SPECIFICATIONS Alternator 55 Amp Cooling System Capacity 7 Qts (6.6 l) Displacement 1.3 liter Engine Manufacturer Ford Engine Model Number VSG 413 Engine Type 4 cyl., in line, liquid cooled Firing Order 1, 2, 4, 3 Idle Speed 1200 rpm Ignition...

  • Page 68: Engine Air Filter

    ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ENGINE AIR FILTER Proper maintenance of the engine air filter is extremely important, since the TigerCat is often operated in dusty conditions. An air filter service indicator is located on the filter (in the engine compartment). The air filter should be serviced only when the red band on the service indicator is visible.

  • Page 69: Governor Adjustment

    ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GOVERNOR ADJUSTMENT Maintaining the proper engine speed on the TigerCat is very important. Hydraulic components in the machine can be damaged if the engine runs too fast. The machine will not perform properly if the engine runs too slow. An electronic governor is used to control the engine speed when the engine speed switch is in the HIGH SPEED position.
  • Page 70 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GOVERNOR ADJUSTMENT (CONTINUED) Start the engine and put the engine speed switch in the LOW SPEED position. The tachometer should read 1200 RPM. If the tachometer reading is too high or too low... • Gasoline machines only - adjust the hex plunger on the anti-dieseling solenoid (see Figure 3) for 1200 RPM.

  • Page 71: Alternator Replacement

    ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ALTERNATOR REPLACEMENT Drain the cooling system, using drain valve “A” (see Figure 4) and disconnect the negative battery cable from the battery. FIGURE 4 Front Disconnect the electrical connector and the vacuum hose from ignition controller “B”. Disconnect hose “C” from the water pump. Disconnect hose “D”...
  • Page 72 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ALTERNATOR REPLACEMENT (CONTINUED) Pull the back side of the radiator away from the machine and backward to remove it from the machine. Loosen the bolts holding bearing block “G” (see Figure 6) . Loosen the lock nut on bolt “H”, turn the bolt to release tension on the “I” impeller belts and remove them from the engine.
  • Page 73 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ALTERNATOR REPLACEMENT (CONTINUED) Loosen bolts “J” and “K” (see Figure 7). 10 Push the alternator toward the engine and remove the belt from the alternator pulley. FIGURE 7 11 Remove bolts “L” and “M” and pull the alternator away from its mounting brackets. 12 Pry the wire retainer off of the electrical connector and pull the connector out of the alternator.

  • Page 74: Engine Troubleshooting

    ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ENGINE TROUBLESHOOTING Note: Complete troubleshooting information for the engine itself can be found in the Ford engine manuals, mentioned at the beginning of this section. Engine problems caused by other systems in the machine are covered below. Problem: Starter will not operate •...
  • Page 75 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ENGINE TROUBLESHOOTING (CONTINUED) Problem: Engine lacks power, will not idle Note: This symptom can be caused by excessive pressure in the hydraulic system. Follow the steps below to check the hydraulic system pressure... Note: The squeegee lift limit switches mentioned in this section are located in the engine compartment, next to the squeegee lift cylinder.
  • Page 76 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ENGINE TROUBLESHOOTING (CONTINUED) Connect a pressure gauge to the steering box as shown in Figure 9. FIGURE 9 Steering Box 0 - 3000 PSI Gauge Remove Existing Hose Start the engine, put the brush switch in the ON position and the squeegee switch in the DOWN position. Check the reading on the pressure gauge.
  • Page 77 ENGINE ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ENGINE TROUBLESHOOTING (CONTINUED) Disconnect the electrical connectors at the squeegee up limit switch and check the pressure gauge again. • If the gauge now reads 200 PSI or less, adjust or replace the squeegee up limit switch. Also check for a problem with the linkage that activates the switch.

  • Page 78: Hydraulic Oil And Filter Maintenance

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ GENERAL INFORMATION The hydraulic system is powered by the hydraulic pump assembly, mounted directly on the engine bell hous- ing. The pump assembly consists of 2 pumps bolted together. The front (closest to the engine) portion of the assembly is the propulsion pump - a variable displacement piston pump, controlled by the drive pedal in the operator’s compartment.

  • Page 79: Hydraulic Oil Tank Drain Or Removal

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC OIL TANK DRAIN OR REMOVAL The hydraulic oil tank holds 17 gallons. Before draining the tank, make sure that your drain container(s) will hold this amount of oil. Open the engine cover, disconnect the battery terminals and remove the battery from the machine. Position a large oil container (not more than 24 inches high) against or just below the machine’s rear bumper, behind the battery tray.
  • Page 80 HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC OIL TANK DRAIN OR REMOVAL (continued) Follow the additional steps below to remove the hydraulic oil tank from the machine. Remove the (5) screws holding the operator’s seat mounting plate onto its hinge. Then remove the seat from the machine.

  • Page 81: Cylinder Control Valve

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ CYLINDER CONTROL VALVE The cylinder control valve is mounted on the bottom of the frame, behind the lower-left body panel. It looks like Figure 2, below. FIGURE 2 The functions controlled by this valve block and the individual valve spools involved in each function are listed below.

  • Page 82: Motor Control Valve

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MOTOR CONTROL VALVE The motor control valve is mounted on the bottom of the frame, behind the lower-right body panel. It looks like Figure 3, below. FIGURE 3 2000 PSI Relief Valve The functions controlled by this valve and the individual valve spools involved in each function are listed below.

  • Page 83: Side Broom Lift Valve

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ SIDE BROOM LIFT VALVE The side broom lift valve controls the lift cylinder for the standard right side broom and the optional left side broom, on machines so equipped. It looks like Figure 4, below. The valve is mounted on top of the main broom housing.

  • Page 84: Accessory Pump Removal

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ACCESSORY PUMP REMOVAL Remove the 3 inch (74 mm) hose that runs from the lower impeller outlet to the hydraulic oil cooler (oil cooler is located at the top of the engine compartment) Remove fitting “A” (see Figure 5) from the accessory pump and quickly install a plug to stop the oil flow. Note: The hose connected to fitting “A”...

  • Page 85: Propulsion Pump Removal

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ PROPULSION PUMP REMOVAL Lift the engine cover, disconnect the battery cables and remove the battery from the machine. Disconnect hose “A” (see Figure 6) from the back of the recovery tank. Loosen the (4) “B” bolts and the (2) “C” bolts. Loosen the locknut on bolt “D”...
  • Page 86 HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ PROPULSION PUMP REMOVAL (continued) Remove the (2) “K” bolts (see Figure 7) and bracket “L” from the bell housing. FIGURE 7 Remove stud “T” (see Figure 8) from propulsion pump lever “W”. Remove link “V” from lever “W”. FIGURE 8 TigerCat, Hydro-Retriever 4500 Service Manual...
  • Page 87 HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ PROPULSION PUMP REMOVAL (continued) 10 Put an oil drain container under the left-rear corner of the machine. 11 Remove fitting “A” (see Figure 9) from the accessory pump and quickly install a plug to stop the oil flow. Note: The hose connected to fitting “A”...

  • Page 88: Hydraulic System Troubleshooting

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC SYSTEM TROUBLESHOOTING Note: Troubleshooting information for many hydraulic functions can be found in other sections of this manual. For example, troubleshooting of the squeegee lift system is covered in the Vacuum System section. Note: The squeegee lift limit switches mentioned in this section are located in the engine compartment, next to the squeegee lift cylinder.
  • Page 89 HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC SYSTEM TROUBLESHOOTING (continued) Connect a pressure gauge to the steering box as shown in Figure 11 (This test point is marked P1 on the hydraulic diagram at the end of this section). FIGURE 11 Steering Box 0 - 3000 PSI Gauge Remove Existing Hose Start the engine, put the brush switch in the ON position and the squeegee switch in the DOWN position.
  • Page 90 HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC SYSTEM TROUBLESHOOTING (continued) Disconnect the electrical connectors at the squeegee up limit switch and check the pressure gauge again. • If the gauge now reads 200 PSI or less, adjust or replace the squeegee up limit switch. Also check for a problem with the linkage that activates the switch.

  • Page 91: Motor Circuit Pressure Testing

    HYDRAULIC SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ HYDRAULIC SYSTEM TROUBLESHOOTING (continued) Problem: Hopper creeps open while machine is not in use. Install a hydraulic pressure gauge between the rod-end port on the hopper cylinder and the pilot check valve (mounted behind the cylinder). (This test point is marked P2 on the hydraulic diagram at the end of this section).

  • Page 93: Electrical System

    ELECTRICAL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ FUSES The fuse box is located in the operator’s compartment, just below the solution control lever (see Figure 1).The current rating for each fuse and the function it protects is listed on the chart below. Fuse Rating Function 30 Amp Ignition system...
  • Page 94 ELECTRICAL SYSTEM ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ LOCATION OF ELECTRICAL COMPONENTS Component Location Shaker Timer in operator’s compartment, above and to right of fuse box Shaker Relay in operator’s compartment, directly above fuse box Squeegee Up Limit Switch in engine compartment, next to squeegee lift cylinder Squeegee Down Limit Switch in engine compartment, next to squeegee lift cylinder Reverse (back-up alarm) Switch...
  • Page 96 Nilfisk-Advance, Inc. 14600 21st Avenue North Plymouth, MN, 55447-3408 www.nilfisk-advance.com Phone: 800-989-2235 Fax: 800-989-6566 ©2000 Nilfisk-Advance, Inc., Plymouth, MN 55447-3408 Printed in the U.S.A.

This manual is also suitable for:

Hydro-retriever 4500 462001Hydro-retriever 4500 463144Hydro-retriever 4500 463409Hydro-retriever 4500 463394Hydro-retriever 4500 463408Tigercat 4500 462000 ... Show all

Table of Contents