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1186E
(Operator Manual)
MM268
Rev. 05 (12–95)

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Summary of Contents for Tennant 1186E

  • Page 1 1186E (Operator Manual) MM268 Rev. 05 (12–95)
  • Page 2 D The machine is maintained with TENNANT supplied or equivalent parts. Parts and supplies may be ordered by phone or mail from any TENNANT parts and service center, distributor, or from any of the TENNANT subsidiaries. Before ordering parts or supplies, be sure to have your machine model number and serial number handy.
  • Page 3: General Information

    Before Working On Machine. – Avoid Contact With Battery Acid. The following information signals potentially – Use TENNANT Supplied Or Equivalent dangerous conditions to the operator or Replacement Parts. equipment. Read this manual carefully. Know when these conditions can exist.
  • Page 4 OF THE SOLUTION TANK. BETWEEN THE BATTERIES. FLAMMABLE MATERIALS LABEL – LOCATED ON RIGHT SIDE PANEL. 06321 BACK STRAIN LABEL – LOCATED ON THE FLAMMABLE MATERIALS LABEL – LOCATED UNDERSIDE OF THE FILTER ASSEMBLY. ON RIGHT SIDE PANEL. 1186E MM268 (6–94)
  • Page 5: Table Of Contents

    ..2-11 20916 and above) ... . 3-13 POST OPERATION CHECKLIST – MOTOR STOPPED ..2-11 1186E MM268 (6–94)
  • Page 6 ... FAN BELT ....3-20 FINDING A TENNANT PART NUMBER WHEEL DRIVE CHAINS ..3-20 PLACING AN ORDER .
  • Page 7 ... CROSS REFERENCE ....PART NUMBER TO PAGE NUMBER CROSS REFERENCE LIST ..1186E MM268 (6–94)
  • Page 8 GENERAL INFORMATION 1186E MM268 (6–94)
  • Page 9: Specifications

    ....GENERAL MACHINE PERFORMANCE MACHINE DIMENSIONS ....1186E MM268 (6–94)
  • Page 10 SPECIFICATIONS 1186E MM268 (6–94)
  • Page 11: Machine Specifications

    Rear – 5 x 1.5 caster (1) Maximum forward speed – 2.9 mph (4.7 km/h) Maximum reverse speed – 2.8 mph (4.5 km/h) SYSTEM FLUID CAPACITIES Turning radius – 65 in (1650 mm) Scrub solution tank – 11 gal (41.64 L) 1186E MM268 (6–94)
  • Page 12: Machine Dimensions

    SPECIFICATIONS MACHINE DIMENSIONS 36 in (915 mm) 58 in (1475 mm) TOP VIEW 38 in (965 mm) SIDE VIEW 06404 1186E MM268 (6–94)
  • Page 13: Operation

    TO STOP MACHINE ....2-11 POST OPERATION CHECKLIST – MOTOR STOPPED ... . 2-11 1186E MM268 (6–94)
  • Page 14 OPERATION 1186E MM268 (6–94)
  • Page 15: Preparation For Operation

    A. Machine Connector B. Batteries Connector 6. Check the main brush adjustment. See BRUSHES in the MAINTENANCE section. 00879 CHECKING BATTERY ELECTROLYTE LEVEL A. Battery B. Electrolyte Indicator Ring FOR SAFETY: When Servicing Machine, Avoid Contact With Battery Acid. 1186E MM268 (6–94)
  • Page 16: Operation Of Controls

    C. Left Access Cover K. Solution Tank D. Filter Cover L. Squeegee Suction Hose E. Hopper M. Squeegee F. Side Brush N. Drain Hose G. Side Brush Arm O. Squeegee Lift Lever H. Right Access Cover P. Parking Brake Lever 1186E MM268 (6–94)
  • Page 17: Instrument Panel Symbols

    Filter Shaker Circuit Breaker No. 3 Main Brush Free-Float Main Brush Down Main Brush Up Circuit Breaker No. 1 Circuit Breaker No. 2 Vacuum Shut-Off Key Switch Solution Flow Parking Brake Side Brush Interrupt Switch Battery Charger Interrupt 1186E MM268 (6–94)
  • Page 18: Controls And Instruments

    C. Filter Shaker By-Pass Switch K. Charger Timer D. Battery Condition Gauge/Voltmeter L. Charger Gauge E. Main Brush Lever M. Vacuum Shut-Off Knob F. Hour Meter N. Clutch Reverse Handle G. Key-Operated On-Off Switch O. Charger Panel H. Clutch Handle 1186E MM268 (6–94)
  • Page 19: Filter Shaker By-Pass Switch

    E. (Main Brush Free-Float) Position stays in the red zone. HOUR METER The hour meter records the number of hours the machine has operated. This information is useful in determining when to service the machine. 1186E MM268 (6–94)
  • Page 20: Key-Operated On-Off Switch

    A. Interrupt Switch CHARGER TIMER The charger timer controls the battery charger. To start the battery charger, turn the timer knob to the number of hours you wish to charge the batteries. The timer will automatically stop the charger. 1186E MM268 (6–94)
  • Page 21: Parking Brake Lever

    03152 When parking the machine, always raise the THERMO-SENTRYt brush to prevent the brush bristles from taking a set. A. Thermo-Sentryt 03135 RAISING SIDE BRUSH ARM A. Side Brush Arm 1186E MM268 (6–94)
  • Page 22: Machine Operation

    1. Turn the on-off switch key to the right. Brake, And Turn Off Machine. 2. Release the machine parking brake. 5. Lift the filter cover. 3. Drive the machine to the area to be swept. 2 10 1186E MM268 (6–94)
  • Page 23: Post Operation Checklist - Motor Operating

    Check under machine for leak spots. Machine; Stop On Level Surface, Set Parking Brake, And Turn Off Machine And Remove Check brakes and controls for proper operation. Key. Check service records to determine service requirements. 2 11 1186E MM268 (6–94)
  • Page 24: To Scrub

    C. Soap Basket WARNING: Flammable Materials Can Cause An Explosion Or Fire. Do Not Use Flammable Materials In Tank(s). The solution tank should be drained whenever the float rises and stops water vacuum, or when done scrubbing. 2 12 1186E MM268 (6–94)
  • Page 25: To Drain Solution Tank And Empty Debris Hopper

    3. Spray the inside of the solution tank with clean water. Remove all sludge and debris from the bottom of the tank. NOTE: The water must not be hotter than 130_ F (54_ C) or tank damage may occur. 2 13 1186E MM268 (6–94)
  • Page 26: Post Operation Checklist - Motor Operating

    10. Connect the solution line to the debris hopper. 11. Return the drain hose to its retention plug. POST OPERATION CHECKLIST – MOTOR OPERATING Check scrub brush pattern for width and evenness. Check squeegees for proper deflection. 2 14 1186E MM268 (6–94)
  • Page 27: Double Scrubbing Operation

    POST OPERATION CHECKLIST – MOTOR STOPPED Check skirts for damage, wear, and adjustment. Check for wire or string tangled on brushes. Drain and clean solution tank. Check vacuum hoses for debris or obstructions. Check for leaks. 2 15 1186E MM268 (6–94)
  • Page 28: Machine Troubleshooting

    Solution control cable broken or Replace and/or adjust cable out of adjustment Solution supply lines and Flush solution supply lines, spreader tube clogged spreader tube Solution tube in “up” position Place tube in “down” position 2 16 1186E MM268 (6–94)
  • Page 29 Debris caught on scrub brushes Remove debris Improper detergent or Check with TENNANTr brushes used representative for advice Worn scrub brushes Replace scrub brushes Scrub brushes out of adjustment Adjust scrub brushes Debris tray full Empty tray 2 17 1186E MM268 (6–94)
  • Page 30: Machine Tie-Downs

    To tie the machine down, strap around the bumper at the attachment bolts. 03136 LEFT SIDE TIE-DOWN LOCATION A. Tie-Down Location 2 18 1186E MM268 (6–94)
  • Page 31: Machine Storage

    1. Empty debris hopper. 2. Raise the main brush and side brush. 3. Fully charge the batteries. 4. Disconnect the batteries-to-machine connector. 5. Park the machine in a cool, dry area. 2 19 1186E MM268 (6–94)
  • Page 32 OPERATION 2 20 1186E MM268 (6–94)
  • Page 33: Maintenance

    3-20 WHEEL DRIVE CHAINS ... . . 3-20 STATIC DRAG CHAIN ....3-20 1186E MM268 (6–94)
  • Page 34 MAINTENANCE 1186E MM268 (6–94)
  • Page 35: Recommended First 25-Hour Machine Inspection

    After the first 25 hours of operation, the following 3. Check the side brush and main brush procedures are recommended: patterns. 1. Check the brush pattern for correct brush 4. Check the drive chain tension. adjustment. 2. Check the floor skirts to floor clearance. 1186E MM268 (6–94)
  • Page 36: Maintenance Chart

    Check for damage and wear – Hopper Check for hopper door seal damage and wear – Rear squeegee Check for damage, wear, and adjustment – 25 Hours Solution tank Clean – – Vacuum fan Clean filter – Batteries Check electrolyte level 1186E MM268 (6–94)
  • Page 37 Check lubricant level EO – Engine oil DW – Distilled water SPL – Special lubricant, Lubriplate EMB grease, TENNANT Part No. 01433–1 SO – Spray lubricant GL – SAE 90 Weight gear lubricant NOTE: More frequent intervals may be required in extremely dusty conditions.
  • Page 38: Lubrication

    Each of the stub shafts are fitted spray lubricant after every 100 hours of operation. with a grease fitting. Apply Lubriplate EMB grease (TENNANT Part No. 01433–1) to the grease fittings after every 50 hours of operation. 02341...
  • Page 39: Rear Caster

    A. Sheave SQUEEGEE PIVOT The squeegee pivot allows the rear squeegee to pivot over uneven floor surfaces. Apply Lubriplate EMB grease (TENNANT Part No. 01433–1) to the 03143 pivot shaft after every 50 hours of operation. REAR CASTER A. Rear Caster B.
  • Page 40: Electrical System

    Add to the specific gravity reading 0.004, 4 points, for each 10_ F (6_ C) above 80_ F (27_ C). Subtract from the specific gravity reading 0.004, 4 points, for each 10_ F (6_C) below 80_ F (27_ C). 1186E MM268 (6–94)
  • Page 41: Battery Charging

    A. Battery outlet. B. Electrolyte Indicator Ring 6. Turn the battery charger knob to the number 11. Close the access covers. of hours you wish to charge the batteries. The charger gauge will indicate the charger is operating. 1186E MM268 (6–94)
  • Page 42: To Charge Batteries (For Machines Serial Number 020916 And Above)

    00879 D. Red Incomplete Battery Status CHECKING BATTERY ELECTROLYTE LEVEL Indicator Lamp E. Yellow 80% Charge Indicator Lamp A. Battery F. Green Complete Charge Indicator B. Electrolyte Indicator Ring Lamp 8. Replace the access covers. 3 10 1186E MM268 (6–94)
  • Page 43: Activating Dry-Type Batteries

    See the STANDARD PARTS section for correct cable connections. 11. Fill the batteries with distilled water, if necessary, up to the electrolyte indicator rings. Do not add battery acid to the batteries after inserting the vent caps. 3 11 1186E MM268 (6–94)
  • Page 44: Electrical Schematic

    MAINTENANCE ELECTRICAL SCHEMATIC (For machines below serial number 20916) 03130 3 12 1186E MM268 (6–94)
  • Page 45: Electrical Schematic

    MAINTENANCE ELECTRICAL SCHEMATIC (For machines serial number 20916 and above) 03130 3 13 1186E MM268 (6–94)
  • Page 46: Belts And Chains

    It should not touch the end of the slot. If the bolt is in the proper position, skip to step 12; if not, continue with step 9 to readjust reverse belt tension. 3 14 1186E MM268 (6–94)
  • Page 47: To Replace Propelling Belts

    H. Tighten the right side bearing flange. B. Flange Bolts Rap on bearing before tightening. 7. Slide the old belt out through the coupling I. Tighten the right bearing collar. opening. 8. Slide the new belt through the coupling opening. 3 15 1186E MM268 (6–94)
  • Page 48: Side Brush Belt

    3. Remove the debris hopper. 4. Remove the access cover, and right side bumper and cover. 5. Place the side brush arm in the down position. 03153 STOP BOLT A. Side Brush Arm B. Stop Bolt C. Lock Nut 3 16 1186E MM268 (6–94)
  • Page 49: To Replace Side Brush Belt

    Brake, And Turn Off Machine. 2. Remove the debris hopper. 3. Remove the right side bumper and cover, and access cover. 03151 SIDE BRUSH BELT A. Motor B. Motor Sheave C. Side Brush Belt D. Belt Guide 3 17 1186E MM268 (6–94)
  • Page 50: Long Main Brush Belt

    9. Replace the right side bumper and cover, and access cover. 03141 LONG MAIN BRUSH BELT A. Self-Adjusting Sheave B. Short Main Brush Belt C. Two-Step Sheave D. Long Main Brush Belt E. Threaded Holes 3 18 1186E MM268 (6–94)
  • Page 51: Vacuum Fan Belt

    11. Pull belt idler back and slide the long main brush belt out of the machine. 12. Position the new long main brush belt in the machine. 13. Reinstall the two-step sheave and reconnect the idler sheave spring. 3 19 1186E MM268 (6–94)
  • Page 52: To Replace Vacuum Fan Belt

    Check the chain for wear periodically. Make sure it is making contact with the floor at all times. 6. Adjust belt tension as described in TO CHECK AND ADJUST VACUUM FAN BELT TENSION. 7. Lower the filter cover. 3 20 1186E MM268 (6–94)
  • Page 53: Brushes

    When the main brush slots and drive hub keys are properly aligned, the main brush will 5. Place the main brush lift handle in the (Main easily slip on the drive hub. Brush Up) position. 3 21 1186E MM268 (12–95)
  • Page 54: Side Brush

    1 in (25 mm) of space between the floor and the side brush bristles. The side brush is adjusted by changing the mounting location on the drive shaft. 3 22 1186E MM268 (6–94)
  • Page 55: To Install Side Brush

    6. Secure the side brush to the drive shaft with the retaining bolt or clevis pin. NOTE: It may be necessary to readjust the side brush drive belt tension after adjusting the side brush height. 3 23 1186E MM268 (6–94)
  • Page 56: Skirts And Seals

    0.06 in (2 mm). Inspect the skirt for wear or damage and proper floor clearance daily. 02347 BRUSH DOOR SKIRT A. Skirt B. Door 03157 REAR BRUSH SKIRTS A. Rear Brush Skirts 3 24 1186E MM268 (6–94)
  • Page 57: Debris Hopper And Dust Filter

    HOPPER HANGER BRACKET 4. The bottom rear metal edge of the hopper A. Hopper should clear the floor by 0.5 in (15 mm). B. Hanger Bracket Also, be sure the hopper is level side to side. 3 25 1186E MM268 (6–94)
  • Page 58: To Adjust Dust Filter To Hopper Sealing

    The seal pressure should not be so great that the hopper will not float. Push the hopper down to check – it should be able to go down and return to its original position. 3 26 1186E MM268 (6–94)
  • Page 59: To Remove Hopper Dust Filter

    2. Remove the six front filter cover screws and the front filter cover. 3. Remove the filter hold-down bar. Remove the dust filter. 03158 REMOVING HOLD-DOWN BAR A. Dust Filter B. Hold-Down Bar 3 27 1186E MM268 (6–94)
  • Page 60: Solution Tank

    A. Retention Plug B. Drain Hose C. Solution Tank D. Inspection Door 3. Lower the hose to a floor drain to drain the tank. NOTE: The tank will not empty with the vacuum fan operating. 3 28 1186E MM268 (6–94)
  • Page 61: Rear Squeegee

    Machine; Stop On Level Surface, Set Parking F. Squeegee Suction Hose Brake, And Turn Off Machine. 4. Pull the squeegee assembly retaining pin out of the squeegee pivot pin. 5. Pull the squeegee assembly off the squeegee mounting block. 3 29 1186E MM268 (6–94)
  • Page 62: To Install Squeegee Assembly

    5. Remove the stationary cam and levered cam. 00928 6. Remove the squeegee retention band. INSTALLING STATIONARY CAM 7. Remove the front squeegee from the A. Front Squeegee Blade squeegee frame. B. Stationary Cam C. Retention Band 3 30 1186E MM268 (6–94)
  • Page 63: To Replace Rear Squeegee Blade

    03164 INSTALLING BACKUP STRIP 3. Remove the squeegee assembly from the A. Rear Squeegee Blade machine. B. Backup Strip 4. Turn the rear squeegee levered cam clockwise to relieve tension on the squeegee retention band. 3 31 1186E MM268 (6–94)
  • Page 64: To Adjust Squeegee

    If the levered cam is too loose to clamp the squeegee blade, rotate the stationary cam to the next flat edge and retighten the levered cam. Overtightening the levered cam may damage the squeegee frame and retention band. 3 32 1186E MM268 (6–94)
  • Page 65 The backup strip controls the squeegee blade deflection. Flip the backup strip to increase or decrease the squeegee blade deflection. 03164 BACKUP STRIP A. Rear Squeegee Blade B. Backup Strip (This position has the smallest deflection) 3 33 1186E MM268 (6–94)
  • Page 66 MAINTENANCE 3 34 1186E MM268 (6–94)
  • Page 67: Appendix

    ....THREAD SEALANT AND LOCKING COMPOUNDS ....1186E MM268 (6–94)
  • Page 68 APPENDIX 1186E MM268 (6–94)
  • Page 69: Hardware Information

    18 (24) 25 (34) 32 (43) 47 (64) 58 (79) 83 (112) 94 (127) 133 (180) 144 (195) 196 (265) 260 (352) 336 (455) 470 (637) 664 (900) NOTE: Decrease torque by 20% when using a thread lubricant. 1186E MM268 (6–94)
  • Page 70 APPENDIX 1186E MM268 (6–94)

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