Tennant 235 Operator's Manual
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Tennant 235 Operator's Manual

Tennant 235 Operator's Manual

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235
(Operator Manual)
MM166

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Summary of Contents for Tennant 235

  • Page 1 (Operator Manual) MM166...
  • Page 2 The machine is maintained with Tennant Company supplied or equivalent parts. Parts and supplies may be ordered by phone or mail from any Tennant Company parts and service center, distributor, or from any of the Tennant Company subsidiaries. Before ordering parts or supplies, be sure to have your machine model number and serial number handy.
  • Page 3 This section will list the controls and numerous sections filled with TENNANT part instruments on the machine, overview the numbers for the repair of the machine. Please...
  • Page 4 When you order the parking brake you will receive all the parts listed under it. You also can order any of the individual parts listed under the parking brake if it is the only part you need. 235 MM166 (5- -91)
  • Page 5 TENNANT parts numbers for repair parts. Breakdowns for hydraulic and electrical components have TENNANT part numbers for the parts TENNANT supplies. The serial numbers listed in any of the parts lists in these sections is a serial number the manufacturer uses to identify design changes in their particular component.
  • Page 6 ABOUT THIS MANUAL 235 MM166 (5- -91)

  • Page 7: General Information

    - - Use Cardboard To Locate Leaking Unless Designed For Use In Those Hydraulic Fluid Under Pressure. Areas. - - Use TENNANT Supplied Or Equivalent - - In Areas With Possible Falling Objects Replacement Parts. Unless Equipped With Overhead Guard.

  • Page 8: General Information

    FOR SAFETY THERMO SENTRYt LABEL - - FOR SAFETY LABEL - - LOCATED ON THE LOCATED ON THE LIFT ARM CROSS SIDE OF THE CONTROL PANEL. MEMBER. 03403 03402 03486 235 MM166 (5- -91)
  • Page 9 LOCATED ON THE VACUUM FAN. 03486 03401 HOPPER LIFT ARM PINCH POINT CAUTION LABEL (2) - - LOCATED ON THE HOPPER LIFT ARMS. 03399 FALLING HOPPER WARNING LABEL - - LOCATED ON THE FRONT OF THE BRUSH WRAP. 235 MM166 (5- -91)

  • Page 10: Table Of Contents

    ..3-15 CIRCUIT BREAKERS ... . . HOPPER SUPPORT BAR ..235 MM166 (8- -95)
  • Page 11 ... 3-30 TO INSTALL TAPER LOCK BUSHING ... 3-30 STATIC DRAG CHAIN ... . 3-30 235 MM166 (8- -95)
  • Page 12 Fig. 1 -- Engine and Fuel Line REFERENCE LIST ... . 10-3 Group, LPG ... . . 6--4 235 MM166 (3- -94)

  • Page 13: Specifications

    MACHINE WEIGHTS ....MACHINE DIMENSIONS ....235 MM166 (5- -91)
  • Page 14 SPECIFICATIONS 235 MM166 (5- -91)

  • Page 15: Machine Specifications

    Service brakes -- mechanical drum brakes (2) -- 1 per front wheel, linkage actuated Parking brakes -- utilizes service brakes, linkage actuated SUSPENSION SYSTEM Front -- 15 x 3.00 solid tires (2) Rear -- 4.80 x 8 pneumatic tire (1) 235 MM166 (3- -93)

  • Page 16: System Fluid Capacities

    Maximum reverse speed -- 3 mph (5 km/h) Maximum forward speed with raised hopper -- 2 mph (3.2 km/h) Turning radius -- left, 60 in (1525 mm) right, 78 in (1980 mm) Maximum rated climb and descent angle -- 10_ 235 MM166 (3- -93)

  • Page 17: Machine Dimensions

    SPECIFICATIONS MACHINE DIMENSIONS 48 in (1220 mm) 77.5 in (1970 mm) TOP VIEW 53 in (1345 mm) SIDE VIEW 03366 235 MM166 (3- -93)

  • Page 18: Specifications

    SPECIFICATIONS 235 MM166 (5- -91)

  • Page 19: Operation

    ..CIRCUIT BREAKERS ....HOPPER SUPPORT BAR ... . 235 MM166 (8- -95)
  • Page 20 OPERATION 235 MM166 (5- -91)

  • Page 21: Preparation For Operation

    Unless Operation Manual Is Read And Understood. 3. Check the hydraulic fluid level in the hydraulic fluid reservoir. See HYDRAULICS in the MAINTENANCE section. 4. Check the main brush adjustment. See BRUSHES in the MAINTENANCE section. 235 MM166 (3- -93)

  • Page 22: Operation Of Controls

    OPERATION OPERATION OF CONTROLS 03486 MACHINE COMPONENTS A. Operator Seat E. Hopper B. Seat Support F. Hopper Inspection Door C. Steering Wheel G. Side Brush D. Filter Cover H. Access Door 235 MM166 (5- -91)

  • Page 23: Controls And Instruments

    G. Throttle Lever S. Fuel Level Gauge H. Temp Light T. Flasher Switch Amps Light U. Steering Wheel J. Oil Pressure Light V. Horn Button K. Hopper Door Switch W. Auxiliary Side Brush Switches L. Lights Switch 235 MM166 (3- -94)

  • Page 24: Brake Pedal

    Overcharging the position desired, and reinstall and tighten the and undercharging are indications that one or bolts. more electrical components are in need of repair. 235 MM166 (8- -95)

  • Page 25: Oil Pressure Light

    HORN BUTTON When parking the machine, always raise the The horn button operates the machine horn. It is brush to prevent the bristles from taking a set. located to the left of the foot brake pedal. 235 MM166 (3- -93)

  • Page 26: Side Brush Lever

    To raise the brush, press the top of the up-down switch.To lower the brush, press the bottom of the up-down switch. 03386 SIDE BRUSH ADJUSTMENT KNOB A. Side Brush Adjustment Knob B. Hopper 235 MM166 (3- -94)

  • Page 27: Circuit Breakers

    10 A Filter Shaker CB- -4 10 A Hopper Dump Door CB- -5 Hopper Dump Door, Thermo Sentryt Air Flow Solenoids CB- -6 15 A Lights 03491 CIRCUIT BREAKERS A. Instrument Panel Bracket B. Circuit Breakers 235 MM166 (5- -91)

  • Page 28: Machine Operation

    8. Move the throttle control lever to the “ FULL” Check the service records to determine service position, and drive the machine to the area requirements. to be swept. TO START MACHINE NOTE: Before starting machine, perform the pre-start checks. 2-10 235 MM166 (3- -93)

  • Page 29: To Sweep

    4. Push the side brush and hopper lever into POST OPERATION CHECKLIST -- ENGINE the “ ON”position. OPERATING 5. Press and hold the hopper door switch in the Check brush patterns for width and evenness. “ OPEN”position. 6. Sweep as required. 2-11 235 MM166 (5- -91)

  • Page 30: To Stop Machine

    HOPPER SUPPORT BAR STAND Check to make sure LPG tank service valve is closed. A. Bar Stand B. Support Bar Check for LPG odor or frost on LPG hoses and components, indicating a leak. Check for leaks. 2-12 235 MM166 (3- -93)

  • Page 31: To Disengage Hopper Support Bar

    10_ . 03370 ENGAGED HOPPER SUPPORT BAR A. Lift Arm B. Support Bar TO DISENGAGE HOPPER SUPPORT BAR 1. Raise the hopper. 2. Place the support bar in its storage position. 3. Lower the hopper. 2-13 235 MM166 (5- -91)

  • Page 32: Machine Troubleshooting

    TROUBLESHOOTING: Side brush turns slowly or not at all Hopper not adjusted properly Adjust hopper floor clearance Hopper dump door closed Open dump door Hopper full Empty hopper Hopper floor skirts worn, damaged Replace skirts 2-14 235 MM166 (5- -91)

  • Page 33: Transporting Machine

    Locations Only. Block Machine Up With Jack secure the machine. Stands. FOR SAFETY: When Servicing Machine, Jack Machine Up At Designated Locations Only. Block Machine Up With Jack Stands. 2-15 235 MM166 (5- -91)

  • Page 34: Machine Tie-Downs

    FRONT TIE-DOWN LOCATION A. Tie-Down Bracket When transporting the machine on a trailer or in a truck, be sure to set the machine parking brake and block the machine tires to prevent the machine from rolling. 2-16 235 MM166 (5- -91)

  • Page 35: Machine Storage

    D. Replace the high tension coil wire and spark plugs. E. Drain the gasoline from the carburetor bowl by removing the carburetor anti-diesel solenoid. F. Replace the carburetor drain plug. 2-17 235 MM166 (3- -93)
  • Page 36 OPERATION 2-18 235 MM166 (5- -91)

  • Page 37: Maintenance

    ....3-22 STARTER ..... . . 3-22 235 MM166 (3- -94)
  • Page 38 ......3-41 REAR WHEEL ..... . 3-41 235 MM166 (8- -95)

  • Page 39: Recommended First 50-Hour Machine Inspection

    122 to 150 Nm (90 to 110 ft lb). See SKIRTS AND SEALS. See REAR WHEEL. 2. Check the side brush and main brush 5. Perform all 50-hour interval lubrication and patterns. See BRUSHES. maintenance procedures listed in the MAINTENANCE CHART. 235 MM166 (8- -95)

  • Page 40: Maintenance Chart

    Check for damage and wear Main brush Check for damage and wear Side brush Check for damage and wear 25 Hours Engine Clean air filter precleaner Change oil and oil filter Clean cooling fins 50 Hours Main brush Rotate end-for-end 235 MM166 (3- -94)
  • Page 41 Torque wheel nuts EO -- Engine oil HYDO -- TENNANT or approved hydraulic fluid SPL -- Special lubricant, Lubriplate EMB grease (TENNANT part number 01433--1) NOTE: More frequent intervals may be required in extremely dusty conditions. 235 MM166 (8- -95)

  • Page 42: Lubrication

    The side brush lever pivot allows the side brush lever to move freely. Lubricate the pivot with Change the engine oil and oil filter after every 25 Lubriplate EMB grease (TENNANT part number hours of operation. Use a straight SAE 30-weight, 01433--1) after every 200 hours of operation.

  • Page 43: Rear Wheel Support Bearing

    01433--1). Apply the lubricant with a hand lubricated by applying Lubriplate EMB grease grease gun after every 200 hours of operation. (TENNANT part number 01433--1) to the grease fittings after every 200 hours of operation. 03394 FRONT STEERING LINK A.

  • Page 44: Hydraulics

    The fluid level is checked by looking at the TENNANT’ s hydraulic fluids provide a longer life dipstick on the breather-filler cap with the hopper for the hydraulic components. There is one in the sweeping position. The reservoir is full recommended fluid.

  • Page 45: To Replace Filter Element

    6. Remove the engine coil wire from the engine 8. Check the hydraulic fluid reservoir level and distrinbutor or turn off fuel flow. fill as required. 7. Operate the engine starter motor for three 10 second periods. 235 MM166 (5- -91)

  • Page 46: Directional Control Pedal

    B. Pintle Arm the hydraulic propelling pump or pump linkages. C. Centering Stop The pedal linkages should also be adjusted whenever the reverse speed is excessive or inadequate. 3-10 235 MM166 (5- -91)

  • Page 47: Lift Arm Speed Limiter

    When the hopper is raised, the link lifts the cam under the pedal. This limits how far the directional pedal can be pressed, limiting the machine speed. 3-11 235 MM166 (5- -91)

  • Page 48: Hydraulic Fluid Leaks

    If injured by escaping hydraulic fluid, see a doctor at once. Serious infection or reaction can develop if proper medical treatment is not administered immediately. FOR SAFETY: When Servicing Machine, Use Cardboard To Locate Leaking Hydraulic Fluid Under Pressure. 3-12 235 MM166 (5- -91)

  • Page 49: Hydraulic Schematic

    MAINTENANCE 03460 HYDRAULIC SCHEMATIC 3-13 235 MM166 (3- -94)

  • Page 50: Hydraulic System Troubleshooting

    Replace and/or adjust lift arm linkage Hopper will not lower Lift cylinder failure See HYDRAULIC COMPONENTS TROUBLESHOOTING: Hydraulic cylinder failure Lift arms binding Replace and/or adjust lift arm linkage Hydraulic orifice at lift cylinder Replace orifice plugged 3-14 235 MM166 (5- -91)

  • Page 51: 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 3-15 235 MM166 (5- -91)

  • Page 52: Engine

    4. Remove the air filter cover. to the valves, pistons, and bearings. Clean the engine cooling fins after every 50 hours of operation. FOR SAFETY: When Servicing Machine, Wear Eye And Ear Protection When Using Pressurized Air Or Water. 3-16 235 MM166 (3- -93)

  • Page 53: Fuel System, Gasoline

    Final adjustment is made with the engine running and warm. 10. Clean or discard the dry cartridge-type air filter. 3-17 235 MM166 (5- -91)

  • Page 54: Fuel System -- Lpg

    LPG fuel tank, C. Vaporizer-Regulator pressure relief valve, fuel filter lock, D. Fuel Filter Lock vaporizer-regulator, secondary regulator, and the E. Pressure Relief Valve carburetor. F. Tank Service Valve G. LPG Fuel Tank H. Oil Pressure Switch 3-18 235 MM166 (5- -91)

  • Page 55: Fuel Tanks

    Do not attempt to make repairs to the tank, regardless of condition. Repairs or disposal must only be made by qualified personnel. 3-19 235 MM166 (5- -91)

  • Page 56: To Change An Lpg Fuel Tank

    2. Close the tank service valve. 3. Operate the engine until it stops from lack of fuel. FOR SAFETY: When Servicing Machine, Keep Flames And Sparks Away From Fuel System Service Area. Keep Area Well Ventilated. 3-20 235 MM166 (3- -93)

  • Page 57: Fuel Filter Lock

    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 Clean or replace air filter element Vaporizer-regulator maladjusted Adjust vaporizer-regulator 3-21 235 MM166 (5- -91)

  • Page 58: Electrical System

    The engine ignition system is the breakerless type. The ignition system needs no regular maintenance. The only adjustment is the ignition air module gap which should be set at 0.008 to 0.012 in (0.2 to 0.3 mm). 3-22 235 MM166 (8- -95)

  • Page 59: Valve Tappet Clearance

    Valve clearances, cold 0.013 to 0.016 in CRANKCASE VENTILATION SYSTEM exhaust (for engines (0.35 to 0.40 mm) serial number Clean the crankcase ventilation hoses, tubes, and 1917809296 and above) fittings after every 200 hours of operation. 3-23 235 MM166 (8- -95)

  • Page 60: Electrical System

    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. 3-24 235 MM166 (3- -93)

  • Page 61: Electrical Schematic

    MAINTENANCE 03489 ELECTRICAL SCHEMATIC 3-25 235 MM166 (3- -94)

  • Page 62: Electrical Schematic, Auxiliary Side Brush

    MAINTENANCE 03489 ELECTRICAL SCHEMATIC, AUXILIARY SIDE BRUSH 3-26 235 MM166 (3- -94)

  • Page 63: Belts And Chains

    FOR SAFETY: Before Leaving Or Servicing A. Hydraulic Pump Machine; Stop On Level Surface, Set Parking B. Pump Plate C. Adjustment Bolts Brake, Turn Off Machine And Remove Key. D. Mounting Bolts 2. Open the seat support. 3-27 235 MM166 (3- -94)
  • Page 64 10. Turn the turnbuckle to tighten the vacuum fan belt to specification. 03498 HYDRAULIC PUMP 04234 CHECKING BELT TENSION A. Hydraulic Pump B. Pump Plate A. Vacuum Fan Belt C. Adjustment Bolts D. Mounting Bolts 3-28 235 MM166 (3- -94)

  • Page 65: Main Brush Belt

    4. Remove the vacuum fan belt guard. 5. Remove the left side access door. 6. Hold the idler spring arm back and remove the belt. 03377 MAIN BRUSH BELT A. Idler Spring Arm B. Main Brush Belt C. Stop Bolt 3-29 235 MM166 (3- -94)

  • Page 66: Taper Lock Bushings

    Match hole pattern, not threaded holes. Each hole will be threaded on one side only. 3. Oil set screws. Thread them into the half threaded holes. 4. Alternately tighten the set screws to 175 in lb (20 Nm). 3-30 235 MM166 (3- -94)

  • Page 67: Debris Hopper And Dust Filter

    Brake, Turn Off Machine And Remove Key. 2. Unlatch the filter cover latches and remove 03372 the filter cover. BUMPER STOP BOLT 3. Place the vacuum lever in the “ Normal A. Frame Sweeping”position. B. Stop Bolt 3-31 235 MM166 (3- -94)

  • Page 68: Hopper Dust Filter

    A. Thermo Sentryt B. Shaker Motor 5. Replace the filter cover and check the hopper cover seal. It should be slightly compressed. 6. After the Thermo Sentryt has cooled, reset the circuit breakers behind the control panel. 3-32 235 MM166 (3- -94)

  • Page 69: To Remove And Replace Hopper Dust Filter

    B. Shaker Motor Assembly C. Hold-Down Screws D. Assembly Bolts 4. Inspect and clean or replace the dust filter. 5. Position the dust filter in the filter frame with the arrows on the label pointing up. 3-33 235 MM166 (3- -94)

  • Page 70: Brushes

    3. While keeping a foot on the brakes to keep the machine from moving, lower the main brush to the floor for 15 to 20 seconds; raise the main brush and drive the machine off the test area. 3-34 235 MM166 (3- -94)
  • Page 71 To decrease the width of the brush pattern, move the limiter nut forward and tighten the A. Flange nut. To increase the brush pattern width, B. Bolts move the limiter nut back and tighten the C. Cross Shaft nut. 3-35 235 MM166 (3- -94)

  • Page 72: Side Brush

    Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 4. Raise the side brush. 5. Remove the four side brush retaining bolts from the bottom of the side brush. 03376 SIDE BRUSH PATTERN A. Contact Area 3-36 235 MM166 (3- -94)

  • Page 73: Skirts And Seals

    5. Replace the doors. 6. Slide the vertical rear skirt up or down so it 6. Check the skirt clearance. is 0 to 0.12 in (0 to 5 mm) above the floor. 7. Retighten the retaining strip bolts. 3-37 235 MM166 (3- -94)

  • Page 74: Hopper Lip Skirt

    Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 5. Remove the side access doors to gain access to the side seals. 03384 HOPPER LIP SKIRT A. Hopper B. Lip Skirt C. Retaining Strip 3-38 235 MM166 (3- -94)

  • Page 75: Hopper Dump Door Seal

    100 hours of 9. Raise the hopper, position the hopper operation. support bar in its storage position, and lower the hopper. TO REPLACE HOPPER DUMP DOOR SEAL 1. Empty the debris hopper. 2. Raise the hopper. 3-39 235 MM166 (3- -94)

  • Page 76: Vacuum Fan Seal

    Check the seal for damage after every cover. Check the seal for damage after every 100 hours of operation. 100 hours of operation. 03375 FILTER COVER SEAL 03387 VACUUM FAN SEAL A. Filter Cover B. Seal A. Vacuum Fan Seal 3-40 235 MM166 (3- -94)

  • Page 77: Brakes And Tires

    03369 BRAKE ASSEMBLY A. Clevis B. Brake Rod 3-41 235 MM166 (8- -95)
  • Page 78 MAINTENANCE 3-42 235 MM166 (3- -94)

  • Page 79: Hardware Information

    HYDRAULIC TAPERED SEAT FITTING (JIC) TORQUE CHART ... HYDRAULIC O--RING FITTING TORQUE CHART ....235 MM166 (5- -91)
  • Page 80 APPENDIX 235 MM166 (5- -91)
  • Page 81 They include the following: 2 (3) 3 (4) 4 (5) 6 (8) Locktite 515 sealant -- gasket forming 7 (9) 10 (14) material. TENNANT Part No. 75567,15 oz 18 (24) 25 (34) (440 ml) cartridge. 32 (43) 47 (64) 58 (79) 83 (112)

  • Page 82: Hydraulic Fitting Information

    1.12- -12 45 ft lb (61 Nm) 70 ft lb (95 Nm) 1.31- -12 60 ft lb (81 Nm) 90 ft lb (122 Nm) NOTE: Do not use sealant on o- -ring threads. *Aluminum bodied components 235 MM166 (5- -91)

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