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Tennant 550 Operator's Manual

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  • Page 1 (Operator Manual) 00 5HY    ...
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  • Page 3 – Unless Operation Manual Is Read And – Use Cardboard To Locate Leaking Understood. Hydraulic Fluid Under Pressure. – In Flammable Or Explosive Areas – Use TENNANT Supplied Or Approved Unless Designed For Use In Those Replacement Parts. Areas. – In Areas With Possible Falling Objects WARNING: Engine Emits Toxic Gases.
  • Page 4 Block Scrub Head Up. Reactive metals and some detergents form explosive hydrogen gas. Contact WARNING: Crush Hazard Between Front Tennant Company for appropriate And Rear Halves Of Machine. Engage detergent selection. Pivot Lock. WARNING: Strong Vacuum. Keep Away From Fan Inlet When Fan Is Running.
  • Page 5 03785 SCRUB HEAD LOCK WARNING DECAL 03786 – LOCATED ON THE SCRUB HEAD 03787 00291 03784 03788 ENGINE FAN WARNING DECAL – PINCH SPACE DANGER DECAL – LOCATED ON THE FAN SHROUD LOCATED ON THE SOLUTION TANK 550 MM148 (9–88)
  • Page 6 GENERAL INFORMATION 550 MM148 (9–88)

  • Page 7: Table Of Contents

    HYDRAULIC FLUID RESERVOIR FLOW KNOB ....TO DRAIN THE HYDRAULIC FLUID RESERVOIR ... 3-10 550 MM148 (8–94)
  • Page 8 ......3-49 TIMING ....3-26 HIGH PRESSURE SPRAYER ..3-49 550 MM148 (6–96)
  • Page 9 ..Fig. 44 – Directional Pedal Group ..6-61 FINDING A TENNANT PART NUMBER Fig. 45 – Directional Pedal Group ..6-62 PLACING AN ORDER .
  • Page 10 Fig. 23 – Solution Tank Drain Kit ..10-27 Fig. 24 – Rear View Mirror Kit ..10-28 Fig. 25 – Spark Arresting Muffler Kit . . . 10-28 viii 550 MM148 (6–96)
  • Page 11 ....13-18 PART NUMBER TO PAGE NUMBER CROSS REFERENCE LIST ... 16-2 PART DESCRIPTION TO PAGE NUMBER CROSS REFERENCE LIST ..16-22 550 MM148 (2–95)
  • Page 12 GENERAL INFORMATION 550 MM148 (2–95)

  • Page 13: Specifications

    ....GENERAL MACHINE PERFORMANCE MACHINE DIMENSIONS ....550 MM148 (9–88)
  • Page 14 SPECIFICATIONS 550 MM148 (9–88)

  • Page 15: Machine Specifications

    Propelling – hydraulic drive motors (2) (50 mm) bore x 4 in (100 mm) stroke, 1 in Scrub brush – hydraulic drive motors (2) (25 mm) diameter rod, 1500 psi Vacuum fan – belt driven (10,345 kPa) maximum rated pressure 550 MM148 (7–90)

  • Page 16: Braking System

    Hydraulic system, total system – 13.8 gal (52 L) Standard solution tank – 140 gal (530 L) Standard recovery tank – 120 gal (455 L) SRSr solution tank – 240 gal (905 L) SRSr cleaning solution tank – 10 gal (40 L) 550 MM148 (11–95)

  • Page 17: Machine Dimensions

    62.3 in (1580 mm) 61.25 in 52.3 in (1555 mm) (1330 mm) 156.5 in (3975 mm) SIDE VIEW 52.6 in (1335 mm) 60.15 in 55.75 in (1530 mm) 46.6 in (1415 mm) (1185 mm) TOP VIEW 00362 550 MM148 (9–88)
  • Page 18 SPECIFICATIONS 550 MM148 (9–88)

  • Page 19: Operation

    THROTTLE LEVER ....STEERING WHEEL ....550 MM148 (8–94)
  • Page 20 OPERATION 550 MM148 (9–88)

  • Page 21: Operating The Machine

    Unless Operation Manual Is Read And Understood. 3. Check the hydraulic fluid level in the hydraulic fluid reservoir, using the dipstick provided. TENNANT hydraulic fluid is recommended. If TENNANT hydraulic fluid is not available, use only new, approved hydraulic fluid. See the HYDRAULICS in the MAINTENANCE section.

  • Page 22: Operation Of Controls

    OPERATION OF CONTROLS 00291 MACHINE COMPONENTS A. Steering Wheel F. Clean-out Door B. Instrument Panel G. Articulated Joint C. Solution Tank H. Side Squeegee D. Rear Squeegee Head Pivot E. Recovery Tank J. Debris Trough Release Lever 550 MM148 (9–88)

  • Page 23: Instruments And Controls

    X. SRSr Panel J. Diesel Pre-Heat Indicating Lamp Y. Solution Lever K. Operating Lights Switch Z. Choke Knob L. Rotating Light Switch AA.Throttle Lever M. Hazard Light Switch BB.Steering Wheel N. Fuel Level Gauge CC.Horn Button O. Panel Lamp 550 MM148 (7–90)

  • Page 24: Brake Pedal

    B. Scrub Head Lock Lever OPERATOR SEAT The operator seat is of a fixed back style with a forward-backward adjustment. To adjust the seat, loosen the seat mounting bolts, slide the seat to the position desired, and tighten the bolts. 550 MM148 (6–97)

  • Page 25: Pivot Lock Pin

    Brake, Turn Off Machine And Remove Key. Make Sure All Safety Devices Are In Place And Operate Properly. DIESEL PRE-HEAT INDICATING LAMP The diesel pre-heat indicating lamp is present on diesel powered machines. The lamp lights when the diesel pre-heater is operating. 550 MM148 (9–92)

  • Page 26: Operating Lights Switch

    Fuse SRSr Tank Level Lamps squeegee switch should always be in the “Down” Fuse 15 A Brush Pressure Lamp, position when scrubbing. Squeegee Pressure Lamps Fuse 20 A Rotating, Hazard Lights Fuse 10 A SRSr Solution Pump 550 MM148 (12–96)

  • Page 27: Scrub Brush Lever

    An articulated trunnion connects the front and rear sections of the machine so that the rear section always follows the path of the front section. A horn button is located in the center of the steering wheel. 550 MM148 (7–90)

  • Page 28: Machine Operation

    Check for LPG odor indicating a leak. engine manufacturer. Check for frosting on the LPG hoses and 5. Move the throttle control lever to the “IDLE” components. position. Check to make sure a liquid withdrawal LPG tank is to be used. 2 10 550 MM148 (9–92)

  • Page 29: To Fill Solution Tank

    2. Move the scrub head position lever to the determining the type and the concentration of “RAISE” position to release the scrub head detergent to be used. For specific lock. recommendations, contact the local TENNANT representative. 2 11 550 MM148 (9–92)

  • Page 30: To Drain And Clean Recovery Tank And Empty Hopper

    Reactive metals and some detergents form explosive hydrogen gas. Contact Tennant Company for appropriate detergent selection. TO DRAIN AND CLEAN RECOVERY TANK AND EMPTY HOPPER 1. Stop the engine and set the parking brake.

  • Page 31: Post Operation Checklist - Engine Operating

    Remove the ignition key from the ignition switch. 11. Diesel powered machines: Hold the throttle lever in the “STOP” position to stop the engine. 12. LPG powered machines: Close the LPG tank liquid service valve. 2 13 550 MM148 (9–92)

  • Page 32: Machine Troubleshooting

    Solution spreader holes plugged Flush spreader holes Poor scrubbing performance Debris caught on scrub brushes Remove debris Improper detergent or brushes Check with Tennant representative used for advice Worn scrub brushes Replace scrub brushes Scrub brushes out of adjustment Adjust scrub brushes...

  • Page 33: Options Operation

    600 to 800 psi (4140 to 5515 kPa) when operating proper locations. the sprayer. The maximum pressure when not spraying is 1200 psi (8275 kPa). To change the water pressure, adjust the red pressure adjustment knob on the regulator, or adjust the engine idle. 2 15 550 MM148 (9–92)

  • Page 34: Transporting Machine

    You can tow the machine from the front or rear using the towing and tie-down brackets, located at the front or rear of the machine. TOW BYPASS VALVE A. Tow Bypass Valve B. Handle TOWING BRACKET A. Towing Bracket 2 16 550 MM148 (6–97)

  • Page 35: Machine Jacking Locations

    Machine Up. Jack Machine Up At Designated Locations Only. Block Machine Up With Jack Stands. Use Hoist Or Jack Of Adequate Capacity To Lift Machine. 01820 TANK JACKING LOCATION A. Jacking Location 00362 TRACTOR JACKING LOCATION A. Jacking Location 2 17 550 MM148 (8–94)

  • Page 36: Machine Storage

    5. Replace the high tension coil wire and spark plugs. 6. Drain the gasoline from the carburetor. 2 18 550 MM148 (11–95)

  • Page 37: Diesel Powered Machines

    11. Clean the engine breather pipe. Seal the end with waterproof tape or a cork. 12. Remove all of the belts from the engine and save for future use. Attach them to the engine to prevent loss. 2 19 550 MM148 (8–94)
  • Page 38 OPERATION 2 20 550 MM148 (8–94)

  • Page 39: Maintenance

    ....3-19 TO REPLACE SCRUB BRUSHES 3-35 OIL PRESSURE SWITCH ..3-19 LPG FUEL TROUBLESHOOTING . . . 3-20 550 MM148 (6–96)
  • Page 40 ......3-49 HIGH PRESSURE SPRAYER ..3-49 550 MM148 (6–96)

  • Page 41: Recommended First 50-Hour Machine Inspection

    5. Check the scrub head side squeegee blades 11. Perform all remaining 50-hour lubrication for wear or damage. and maintenance procedures listed in the MAINTENANCE CHART. 6. Check the rear squeegee for worn or damaged blades or for incorrect adjustment. 550 MM148 (7–90)

  • Page 42: Maintenance Chart

    Scrub head pivot Lubricate Scrub head hinges Lubricate Rear squeegee casters Lubricate Scrub brush idler plugs Lubricate Vacuum fan shaft Lubricate Radiator Clean exterior – SRSr cleaning solution Clean – filter on machines below serial number 003790 550 MM148 (12–96)
  • Page 43 BF – Brake fluid EO – Engine oil HYDO – TENNANT or approved hydraulic fluid SPC – Special lubricant, Lubriplate EMB grease, TENNANT Part No. 01433–1 WBG – Wheel bearing grease WG – Water and permanent-type ethylene glycol antifreeze, one-to-one ratio NOTE: More frequent intervals may be required in extremely dusty conditions.

  • Page 44: Lubrication

    The vacuum fan grease fitting is covered with a plastic cap. Snap the cap open Gasoline and LPG powered engines should be and apply Lubriplate EMB grease (TENNANT lubricated with SAE–SG/SH rated engine oil. Part No. 01433–1) to the vacuum fan grease Change the engine oil and oil filter after every 50 fitting.

  • Page 45: Machine Pivot

    Apply grease to these operation. Use a Lubriplate EMB grease fittings after every 50 hours of operation. Use a (TENNANT Part No. 01433–1). Lubriplate EMB grease (TENNANT Part No. 01433–1). 03790 SCRUB HEAD PIVOT 00251 MACHINE PIVOT A.

  • Page 46: Scrub Head Hinges

    50 hours of operation. Use a Lubriplate EMB to the fittings. Use a Lubriplate EMB grease grease (TENNANT Part No. 01433–1). (TENNANT Part No. 01433–1). Wipe off all excess grease and replace the plastic cap. Apply grease to the fittings after every 50 hours of operation.

  • Page 47: Hydraulic Fluid Reservoir

    The reservoir is equipped with a breather-filler cap TENNANT’s hydraulic fluids provide longer life of and fluid level dipstick mounted on the filler neck. the hydraulic components. There are two fluids See Hydraulic Fluid Reservoir Breather for available for two different temperature ranges: breather service information.

  • Page 48: To Fill The Hydraulic Fluid Reservoir

    Surface, Set Parking Brake, And Turn 6. Place the reservoir breather-filler cap Off Machine. securely on the reservoir. 2. Allow the hydraulic fluid to cool. 7. Close the access doors. 3. Open the left side access door. 3 10 550 MM148 (3–93)

  • Page 49: Hydraulic Fluid Reservoir Breather

    Use Cardboard To Locate Leaking Hydraulic Fluid Under Pressure. 6. Operate the machine and check for leaks. Correct any leaks found. 7. Check the hydraulic fluid reservoir level and fill as required. 8. Close the access doors. 3 11 550 MM148 (9–92)

  • Page 50: Hydraulic Components Troubleshooting

    Install seal kit Relief valve stuck Clean or replace relief valve Integral charge pump failure Replace charge pump Rotating group worn Replace rotating group Shaft failure Replace shaft Backplate worn Replace backplate Engine-to-pump coupling failure Replace coupling 3 12 550 MM148 (7–90)

  • Page 51: Engine

    10W 30 220_ F (104_ C) indicate a problem exists. The engine oil capacity is 7 qt (6.6 L) with filter. NOTE: Overheating is always accompanied by loss of coolant water. If in doubt, check. 3 13 550 MM148 (12–96)

  • Page 52: Air Intake System

    Red” window is filled with red. The service indicator red line may return to a lower reading on the scale when the engine is shut off. The red line will return to a correct reading when the engine is started. 3 14 550 MM148 (12–98)

  • Page 53: To Replace Air Filter Element

    7. Gently pull the filter element out of the filter C. Dust Cap housing. D. Filter Housing 8. Clean the interior of the air cleaner housing with a damp cloth. Clean the element housing sealing surfaces. 3 15 550 MM148 (12–98)

  • Page 54: Element

    WARNING: Engine Emits Toxic Gases. Severe Respiratory Damage Or Asphyxiation Can Result. Provide Adequate Ventilation. Consult With Your Regulatory Agency For Exposure Limits. Keep Engine Properly Tuned. 3 16 550 MM148 (9–99)

  • Page 55: Fuel System - Lpg

    A. Carburetor handwheel. The valve must be closed except B. Vaporizer-Regulator when in service. C. Fuel Filter Lock D. Pressure Relief Valve E. Tank Service Valve F. LPG Fuel Tank G. Oil Pressure Switch 3 17 550 MM148 (6–96)

  • Page 56: To Change An Lpg Fuel Tank

    8. Store the tank in a designated safe area. way that if the safety relief valves do function, they will relieve vapor, rather than liquid. 3 18 550 MM148 (6–96)

  • Page 57: Fuel Filter Lock

    Replace the fuel filter lock filter pack with the filter pack replacement kit if diminished gas flow indicates the filter is clogged. A drain plug is provided for purging the filter bowl. Clean out the bowl when replacing the filter pack. 3 19 550 MM148 (6–96)

  • Page 58: Lpg Fuel Troubleshooting

    Plugged fuel filter Replace filter Kinked or restricted fuel line Straighten or replace fuel line Engine out of tune Tune-up engine Restricted air filter Replace air filter element Vaporizer – regulator maladjusted Adjust vaporizer – regulator 3 20 550 MM148 (12–98)

  • Page 59: Fuel System - Diesel

    005002) TO REPLACE FUEL FILTER (For machines serial number 005002 and above) 1. Thoroughly clean the exterior of the fuel filter assembly. 1. Thoroughly clean the exterior of the fuel filter assembly. 3 21 550 MM148 (12–96)

  • Page 60: Fuel Injection Pump

    It is impossible to adjust the Use care when replacing the fuel injectors to setting of the injector with any degree of accuracy prevent loosening the injector leak-off nipples. without proper equipment. 3 22 550 MM148 (12–96)

  • Page 61: Priming The Fuel System

    8 volts, the valve will shut off fuel to the engine. This may happen during cranking if the battery charge is low. The condition may not be readily apparent since cranking speed might still be good. 3 23 550 MM148 (6–96)

  • Page 62: To Adjust Governor, F163

    The control shaft floats on two needle engine settles out. Again apply load and bearings to remove friction for closer and more observe the drop in rpm before the governor accurate control through the whole power range. opens throttle to compensate. 3 24 550 MM148 (NIL)

  • Page 63: Electrical System

    3. Speed adjustment: To increase the speed, head. increase the spring tension using the adjusting screw. To decrease the speed, 2. Use a new seat gasket and screw the plug decrease the spring tension using the in by hand. adjusting screw. 3 25 550 MM148 (6–96)

  • Page 64: Distributor

    Disconnect the vacuum line from burning. the distributor to the manifold, and clamp the end of the line leading to the manifold. 3 26 550 MM148 (6–96)

  • Page 65: Cylinder Head - Gasoline, Lpg

    Snug down cap screws and risers in the proper sequence. Tighten the cap screws and risers to one-half of the specified value. F163 engines: Torque to 45 to 48 ft lb (61 to 65 Nm). 03512 F163 CYLINDER HEAD BOLT TIGHTENING SEQUENCE 3 27 550 MM148 (6–96)

  • Page 66: Valve Tappet Clearance

    Hand torque cold M10 bolts to 50 to 55 ft lb (70 to 75 Nm) and M12 bolts to 90 to 95 ft lb (120 to 130 Nm) in the correct order. 01472 CYLINDER HEAD BOLT TIGHTENING SEQUENCE 3 28 550 MM148 (6–96)

  • Page 67: Pcv System

    Timing, TM27 LPG 18_ BTDC @ 1850 Firing order 1–3–4–2 Valve clearances, F163 intake 0.012 in (0.3 warm exhaust 0.020 in (0.5 mm) Valve clearances, TM27 intake 0.014 in warm (0.36 mm) exhaust 0.018 in (0.46 mm) 3 29 550 MM148 (6–96)

  • Page 68: Electrical System

    Avoid Contact With Battery Acid. If, when checking battery specific gravity, one or more battery cells tests lower than the other battery cells (0.050 or more), the cell is damaged, shorted, or is about to fail. 3 30 550 MM148 (12–96)

  • Page 69: Belts And Chains

    5. Tighten the tension spring eyebolt jam nuts. 06973 ADJUSTING VACUUM FAN BELT (For machines serial number 004111 and above) A. Vacuum Fan Housing B. Tension Spring C. Tension Spring Eyebolt. D. Jam Nut E. Vacuum Fan Drive Belt 3 31 550 MM148 (6–96)

  • Page 70: Intermediate Drive Belt

    1. Stop the engine and set the machine parking brake. FOR SAFETY: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, And Turn Off Machine. 2. Open the left rear engine access door. 3. Loosen the alternator clamp bolt. 3 32 550 MM148 (6–96)

  • Page 71: Scrub Head

    (40 mm) wide the full length of the brush. With a soft brush the polish mark should not A. Nut exceed 3 in (75 mm) wide, evenly, the full B. Scrub Head Link length of the brush. 3 33 550 MM148 (6–96)
  • Page 72 C. Front Brush Marks adjustments. 00284 00285 BRUSH SHAFT MOUNTING LEVELING BRUSH A. Scrub Head A. Top Nut B. Shim B. Brush Leveling Adjusting Nut C. Bearing Mounting Bracket C. Operator Side of Scrub Head D. Bearing Protector 3 34 550 MM148 (6–96)

  • Page 73: Scrub Brushes

    NOTE: If arm does not come off easily, insert bolt in the adjacent threaded hole and screw in until arm comes off. 5. The brush arm and brush can then be pulled out. 3 35 550 MM148 (6–97)
  • Page 74 E. Raised Scrubber Head 9. Repeat the steps 7 and 8 for the other brush. 10. Unhook the chain and lower the access door. 11. Release the scrub head lock before lowering the scrub head. 3 36 550 MM148 (6–96)

  • Page 75: Solution System

    Three clean-out doors are provided for the deflector. Reinstall discharge tube, using a new recovery tank; two at the front and one at the rear gasket if the existing one was damaged. of the tank. 3 37 550 MM148 (6–96)

  • Page 76: Srsr Water Spray Deflector

    Clamp the top access cover in place. 00339 CORRECT POSITIONING OF LOWER SPRAY DEFLECTOR A. Spray Deflector Frames B. Spray Deflector C. Rear Squeegee Discharge Tube 00346 INSTALLING TOP SPRAY DEFLECTOR A. Solution Tank B. Top Access Cover C. Spray Deflector 3 38 550 MM148 (6–96)

  • Page 77: Srsr Solution Tank

    Check for dirt buildup in the laminar flow tubes. To clean tubes, remove and flush. Also, check the return hoses and connections for clogging or damage. 3 39 550 MM148 (6–96)

  • Page 78: Solution Dispensing Tube

    1. Poppet valves dirty, dried cleaning solution residue on valves. 2. Restriction in cleaning solution lines. 3. Air leak at pump intake. 4. Defective wiring or motor. Motor Fails to Turn On 1. Loose wiring connection. 2. Defective motor. 3 40 550 MM148 (9–92)

  • Page 79: Squeegees

    The screw mounting holes are slotted, allowing vertical adjustment of the squeegee blade by simply loosening the screws and moving the squeegee up or down. Check the side squeegee blades adjustment daily. 3 41 550 MM148 (6–96)

  • Page 80: To Replace Rear Squeegee Blades

    004507 and above, the adjustment 00290 REAR SQUEEGEE should be 6.00 + 0.12 in (150 + 3mm). A. Band B. Blade and Back-Up Strips on Pins C. Clamp 01725 SQUEEGEE LIFT CYLINDER A. Cylinder B. Adjustment Length 3 42 550 MM148 (6–96)
  • Page 81 C. 1 to 1.25 in (25 to 30 mm) 0.25 + 0.06 in (6 + 2 mm) off the floor with the squeegee blade perpendicular to the floor. The tip casters should touch the floor with the squeegee blade perpendicular to the floor. 3 43 550 MM148 (6–96)
  • Page 82 D. Squeegee Tip Lift Rod M. Block Link E. Down Pressure Spring N. Cylinder Rod End F. Roller Switch O. Vacuum Hose Connection G. Fiberglide Washer P. Squeegee Frame H. Bearing Q. Lift Shaft Sleeve R. Caster 3 44 550 MM148 (6–96)

  • Page 83: To Adjust Rear Squeegee

    If both tips are too low, tighten both eyebolts which increases the down pressure on the back side of the squeegee frame to lift both tips. 3 45 550 MM148 (6–96)
  • Page 84 The squeegee should rise as soon A. Trip Barrel as the machine moves backward. Press the B. Switch Roller directional pedal into the “forward” direction. C. Lower Switch The squeegee should lower. D. Threaded Rod 3 46 550 MM148 (6–96)

  • Page 85: Brakes And Tires

    To adjust the brake cables, turn the knurled knob on the end of the parking brake clockwise. Tighten the brake cable enough to make the parking brake slightly resist being set. 3 47 550 MM148 (6–96)

  • Page 86: Tires

    (380 kPa) front, 35 psi (240 kPa) rear. Tighten the wheel lug nuts in a star pattern after every 200 hours of operation. Tighten lug nuts 85 to 95 ft lb (115 to 130 Nm). 3 48 550 MM148 (6–96)

  • Page 87: Options

    Change the oil after a 50 hour run-in period. Then change the oil every three months or at 500 hour intervals when using genuine Cat Pump Crankcase Oil. If other approved oil is used, change oil every month or at 200 hour intervals. 3 49 550 MM148 (6–96)
  • Page 88 MAINTENANCE 3 50 550 MM148 (6–96)

  • Page 89: Appendix

    ... HYDRAULIC O-RING FITTING TORQUE CHART ......550 MM148 (11–95)
  • Page 90 APPENDIX 550 MM148 (9–88)

  • Page 91: Hardware Information

    21 ft lb (21 to 28 Nm) with Locktite 242 blue on threads. Use locktite 515 sealant on the Rear wheel axle nuts: Tighten nuts until pilot fillet of the motor and the adapter. resistance is felt. Back off nut to first slot, 550 MM148 (12–96)

  • Page 92: Bolt Identification

    9 ft lb (12 Nm) 0.38 0.56–18 20 ft lb (27 Nm) 0.50 0.75–16 30 ft lb (41 Nm) 0.62 0.88–14 40 ft lb (54 Nm) 0.75 1.12–12 70 ft lb (95 Nm) 1.31–12 90 ft lb (122 Nm) 550 MM148 (12–96)

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