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Tennant 235E Operator's Manual

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235E
(Operator Manual)
MM165

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Summary of Contents for Tennant 235E

  • Page 1 235E (Operator Manual) MM165...
  • 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. 235E MM165 (3- -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 235E MM165 (3- -91)

  • Page 7: General Information

    - - Use Cardboard To Locate Leaking Hydraulic Fluid Under Pressure. FOR SAFETY: - - Use TENNANT Supplied Or Equivalent Replacement Parts. 1. Do Not Operate Machine: - - Disconnect Battery Connections - - Unless Trained And Authorized.

  • Page 8: General Information

    FOR SAFETY THERMO SENTRYt LABEL - - SIDE OF THE CONTROL PANEL. LOCATED ON THE LIFT ARM CROSS MEMBER. 03403 03402 03365 03400 EXPLOSIVE GAS CAUTION LABEL (2) - - LOCATED ON THE INSIDE OF THE SEAT SUPPORT. 235E MM165 (3- -91)
  • Page 9 LOCATED ON THE VACUUM FAN. 03365 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. 235E MM165 (3- -91)

  • Page 10: Table Of Contents

    SIDE BRUSH ADJUSTMENT KNOB AUXILIARY SIDE BRUSH IN-OUT SWITCH (OPTION) ..AUXILIARY SIDE BRUSH UP-DOWN SWITCH (OPTION) CIRCUIT BREAKERS AND FUSES HOPPER SUPPORT BAR ..235E MM165 (8- -95)
  • Page 11 ....3-32 TO REMOVE SIDE BRUSH ..3-32 TO INSTALL SIDE BRUSH ..3-32 235E MM165 (8- -95)
  • Page 12 ....PART NUMBER TO PAGE NUMBER CROSS REFERENCE LIST ... . 235E MM165 (3- -94)

  • Page 13: Specifications

    ....GENERAL MACHINE PERFORMANCE MACHINE DIMENSIONS ....235E MM165 (3- -91)
  • Page 14 SPECIFICATIONS 235E MM165 (3- -91)

  • Page 15: Machine Dimensions

    2 mph (3.2 km/h) Turning radius -- left, 60 in (1525 mm) right, 78 in Filter -- spin--on type, 10 micron nominal, 25 psi (1980 mm) (170 kPa) bypass pressure Maximum rated climb and descent angle -- 10_ 235E MM165 (3- -91)

  • Page 16: Machine Dimensions

    SPECIFICATIONS MACHINE DIMENSIONS 48 in (1220 mm) 77.5 in (1970 mm) TOP VIEW 53 in (1345 mm) SIDE VIEW 03366 235E MM165 (3- -91)

  • Page 17: Operation

    ..AUXILIARY SIDE BRUSH UP-DOWN SWITCH (OPTION) ..CIRCUIT BREAKERS AND FUSES ..HOPPER SUPPORT BAR ... . 235E MM165 (8- -95)
  • Page 18 OPERATION 235E MM165 (3- -91)

  • Page 19: Preparation For Operation

    FOR SAFETY: When Servicing Machine, Avoid BRUSHES in the MAINTENANCE section. Contact With Battery Acid. 5. Check the battery specific gravity to determine the state of charge as described in BATTERIES in the MAINTENANCE section. Charge the batteries if necessary. 235E MM165 (3- -91)

  • Page 20: Operation Of Controls

    OPERATION OPERATION OF CONTROLS 03365 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 235E MM165 (3- -91)

  • Page 21: Controls And Instruments

    N. Battery Condition Gauge F. Side Brush and Hopper Lever O. Flasher Switch G. Hopper Door Switch P. Steering Wheel H. Accessory Switch Q. Horn Button Light Switch R. Side Brush Lever S. Auxiliary Side Brush Switches 235E MM165 (3- -94)

  • Page 22: Brake Pedal

    Machine; Stop On Level Surface, Set Parking hopper lift cylinder. The accessory switch must be Brake, Turn Off Machine And Remove Key. in the “ ON”position to operate any of these components. 235E MM165 (8- -95)

  • Page 23: Light Switch

    The hour meter records the number of hours the The horn button operates the machine horn. It is machine has operated. This information is useful located to the left of the foot brake pedal. in determining when to service the machine. 235E MM165 (3- -91)

  • Page 24: 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 235E MM165 (3- -94)

  • Page 25: Circuit Breakers And Fuses

    Accessory the hopper. Do not rely on the machine hydraulic (Hydraulic Pump) Motor system to keep the hopper raised. FU- -2 80 A Propelling Motor WARNING: Falling Hopper. Engage Hopper Support Bar Before Working Under Hopper. 235E MM165 (3- -91)

  • Page 26: Machine Operation

    6. Press and hold the hopper door switch in the FOR SAFETY: Before Starting Machine, Make “ OPEN”position. Sure All Safety Devices Are In Place And Operate Properly. 7. Sweep as required. 2-10 235E MM165 (3- -91)

  • Page 27: To Dump Hopper

    Check for wire or string tangled on the brushes. 11. Press and hold the hopper door switch in the Check for leaks. “ OPEN”position to open the hopper door. POST OPERATION CHECKLIST -- MOTOR OPERATING Check the brush patterns for width and evenness. 2-11 235E MM165 (3- -91)

  • Page 28: To Engage Hopper Support Bar

    Drive the machine slowly on grades. Use the brake pedal to control machine speed. FOR SAFETY: When Using Machine, Go Slow On Grades And Slippery Surfaces. The maximum rated climb and descent angle is 10_ . 2-12 235E MM165 (3- -91)

  • Page 29: Machine Troubleshooting

    Machine will not travel Machine will not travel Low battery charge Charge batteries Parking brake set Release parking brake Fuse blown Replace fuse Controller overheated Allow controller to cool Controller failure See PROPELLING SYSTEM TROUBLESHOOTING 2-13 235E MM165 (3- -91)

  • Page 30: Transporting Machine

    Hoist Or Jack Of Adequate Capacity To Lift devices in the designated locations to Machine. secure the machine. FOR SAFETY: When Servicing Machine, Jack Machine Up At Designated Locations Only. Block Machine Up With Jack Stands. 2-14 235E MM165 (3- -91)

  • Page 31: 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. 2-15 235E MM165 (3- -91)

  • Page 32: Machine Storage

    1. Empty the debris hopper. 2. Raise the main brush and side brush. 3. Park the machine in a cool, dry area. 4. Remove or charge the batteries for four hours once every three months. 2-16 235E MM165 (3- -91)

  • Page 33: Maintenance

    LOCK BUSHING ....3-26 STATIC DRAG CHAIN ....3-26 235E MM165 (8- -95)
  • Page 34 MAINTENANCE 235E MM165 (3- -91)

  • Page 35: Recommended First 50-Hour Machine Inspection

    2. Check the side brush and main brush See REAR WHEEL. patterns. See BRUSHES. 7. Perform all 50-hour interval lubrication and 3. Change the gearbox gear lubricant and the maintenance procedures listed in the drain and fill/level plug seals. MAINTENANCE CHART. 235E MM165 (8- -95)

  • Page 36: Maintenance Chart

    100 Hours Dust Seals Check for damage and wear Dust filter Clean or replace Hydraulic reservoir Check fluid level HYDO Thermo Sentryt Test Rear tire Inspect for wear Front tires Inspect for wear Gearbox Check lubricant level 235E MM165 (3- -91)
  • Page 37 GL -- SAE 90 Gear weight lubricant 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. 235E MM165 (8- -95)

  • Page 38: Lubrication

    Raise the machine so the rear wheel is off the ground. Fill one grease fitting with Lubriplate EMB grease (Tennant Part No. 01433--1) while rotating the gearbox from stop to stop. Fill the second grease fitting while rotating the gearbox back to the original postition.

  • Page 39: Steering Linkage

    The linkage should be lubricated by applying Lubriplate EMB grease (TENNANT part number 01433--1) to the grease fittings after every 200 hours of operation. 03367 REAR STEERING LINK A.

  • Page 40: Hydraulics

    TENNANT’ s hydraulic fluid is specially selected to meet the needs of TENNANT machines. TENNANT’ s hydraulic fluids provide a longer life for the hydraulic components. There is one recommended fluid. TENNANT part no.

  • Page 41: Hydraulic Filter

    3. Unthread and discard the hydraulic fluid filter element. FOR SAFETY: When Servicing Machine, Use Cardboard To Locate Leaking Hydraulic Fluid 4. Apply a thin coat of hydraulic fluid to the seal Under Pressure. of the new hydraulic fluid filter element. 235E MM165 (3- -91)

  • Page 42: Hydraulic Schematic

    MAINTENANCE 03380 HYDRAULIC SCHEMATIC 3-10 235E MM165 (3- -94)

  • Page 43: 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 oriface at lift cylinder Replace oriface plugged 3-11 235E MM165 (3- -91)

  • Page 44: Hydraulic Components Troubleshooting

    Replace gerotor set Output shaft failure Replace output shaft and bearings Hydraulic gear pump failure Hydraulic gear pump failure Pump leaking Install seal kit Gear set failure Replace gear set Shaft failure Replace gear set 3-12 235E MM165 (3- -91)

  • Page 45: Electrical System

    100% charged 1.225 75% charged 1.190 50% charged 1.155 25% charged 1.120 Discharged NOTE: If the readings are taken when the battery electrolyte is any temperature other than 80_F (27_C), the reading must be temperature corrected. 3-13 235E MM165 (3- -91)

  • Page 46: Battery Charging

    2. Place the key switch in the “ OFF”position. 3. Open the seat support. WARNING: Batteries Emit Hydrogen Gas. Explosion Or Fire Can Result. Keep Sparks And Open Flame Away. Keep Covers Open When Charging. 3-14 235E MM165 (3- -91)
  • Page 47 NOTE: If the red no charge indicator lamp lights when the charger is plugged into a wall outlet, the charger can not charge the battery, meaning there is something wrong with the battery. 3-15 235E MM165 (3- -93)

  • Page 48: Electric Motors

    Remember to always replace brushes in sets. If the commutator is worn or rough, the motor armature should be removed and serviced. 00879 CHECKING BATTERY ELECTROLYTE LEVEL A. Battery B. Electrolyte Indicator Ring 12. Lower the seat support. 3-16 235E MM165 (3- -93)

  • Page 49: Propelling System Troubleshooting

    002311) Water in circuit Disconnect batteries and dry affected areas NOTE: For more detailed troubleshooting information for qualified personnel, order the 235E Propelling System Troubleshooting Manual, TENNANT part number MM182. 3-17 235E MM165 (3- -93)

  • Page 50: Propelling Circuit

    Working On Machine. 04238 DIRECTIONAL PEDAL A. Directional Pedal B. Jam Nut C. Stop Screw 03630 CONTROLLER PANEL A. 80 A Fuse (Main) B. Controller C. Contactor D. Logic Board E. 40 A Fuse (Accessory) 3-18 235E MM165 (3- -93)

  • Page 51: Electrical Schematic (For Machine Below Serial Number 002205)

    MAINTENANCE 03382 ELECTRICAL SCHEMATIC (For machine below serial number 002205) 3-19 235E MM165 (3- -93)

  • Page 52: Electrical Schematic (For Machines From Serial Number 002205 To 002310)

    MAINTENANCE 03382 ELECTRICAL SCHEMATIC (For machines from serial number 002205 to 002310) 3-20 235E MM165 (3- -93)

  • Page 53: Electrical Schematic (For Machines Serial Number 002311 And Above)

    MAINTENANCE 03382 ELECTRICAL SCHEMATIC (For machines serial number 002311 and above) 3-21 235E MM165 (3- -94)

  • Page 54: Electrical Schematic, Auxiliary Side Brush

    MAINTENANCE 03382 ELECTRICAL SCHEMATIC, AUXILIARY SIDE BRUSH (For machines serial number 002311 and above) 3-22 235E MM165 (3- -94)

  • Page 55: Belts And Chains

    8. Slide the motor forward keeping the sheaves aligned and remove and replace the hydraulic pump belt. 9. Pull the motor back and snug the mounting bolts. 03377 IDLER SPRING A. Idler Spring Arm B. Main Brush Belt 3-23 235E MM165 (3- -94)

  • Page 56: Vacuum Fan Belt

    Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 03391 VACUUM FAN BELT 2. Open the seat support. A. Hydraulic Pump B. Motor C. Vacuum Fan Belt D. Hydraulic Pump Belt 3-24 235E MM165 (3- -94)

  • Page 57: Main Brush Belt

    11. Lower the seat support. TO REPLACE MAIN BRUSH BELT 1. Stop the motor and set the parking brake. FOR SAFETY: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 3-25 235E MM165 (3- -94)

  • Page 58: Taper Lock Bushings

    1. Clean shaft, bore and outside of bushing and hub bore of all oil, lacquer, and dirt. 2. Insert bushing into hub; be aware of sheave alignment. Match hole pattern, not threaded holes. Each hole will be threaded on one side only. 3-26 235E MM165 (3- -94)

  • Page 59: Debris Hopper And Dust Filter

    FOR SAFETY: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 2. Unlatch the filter cover latches and remove 03372 the filter cover. BUMPER STOP BOLT A. Stop Bolt B. Frame 3-27 235E MM165 (3- -94)

  • Page 60: 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. 3-28 235E MM165 (3- -94)

  • Page 61: To Remove And Replace Hopper Dust Filter

    9. Check the hopper cover seal. It should be back. Remove the dust filter. slightly compressed. 03389 DUST FILTER A. Dust Filter B. Shaker Motor Assembly C. Hold-Down Screw D. Assembly Bolts 3-29 235E MM165 (3- -94)

  • Page 62: 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. 3-30 235E MM165 (3- -94)
  • Page 63 CROSS SHAFT BEARING FLANGE move the limiter nut forward and tighten the nut. To increase the brush pattern width, A. Flange move the limiter nut back and tighten the B. Bolts nut. C. Cross Shaft 3-31 235E MM165 (3- -94)

  • Page 64: Side Brush

    Machine; Stop On Level Surface, Set Parking Brake, Turn Off Machine And Remove Key. 4. Remove the four side brush retaining bolts from the bottom of the side brush. 03376 SIDE BRUSH PATTERN A. Contact Area 3-32 235E MM165 (3- -94)

  • Page 65: Skirts And Seals

    6. Check the skirt clearance. 6. Slide the vertical rear skirt up or down so it is 0 to 0.12 in (0 to 5 mm) above the floor. 7. Retighten the retaining strip bolts. 3-33 235E MM165 (3- -94)

  • Page 66: Hopper Lip Skirt

    Machine; Stop On Level Surface, Set Parking skirt. 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 3-34 235E MM165 (3- -94)

  • Page 67: 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. 3-35 235E MM165 (3- -94)

  • Page 68: 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 3-36 235E MM165 (3- -94)

  • Page 69: Brakes And Tires

    03369 BRAKE ASSEMBLY A. Clevis B. Brake Rod 3-37 235E MM165 (8- -95)
  • Page 70 MAINTENANCE 3-38 235E MM165 (3- -94)

  • Page 71: Appendix

    HYDRAULIC TAPERED SEAT FITTING (JIC) TORQUE CHART ... HYDRAULIC O--RING FITTING TORQUE CHART ....235E MM165 (3- -91)
  • Page 72 APPENDIX 235E MM165 (3- -91)
  • Page 73 470 (637) 664 (900) Locktite 515 sealant -- gasket forming NOTE: Decrease torque by 20% when using a material. TENNANT Part No. 75567,15 oz thread lubricant. (440 ml) cartridge. Exceptions to the above chart: Locktite 242 blue -- medium strength thread locking compound.

  • Page 74: Hydraulic Fitting Information

    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) 235E MM165 (3- -91)

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