Tennant 1186 Operator's Manual
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Tennant 1186 Operator's Manual

Tennant 1186 Operator's Manual

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1186
(Operator Manual)
MM267
Rev. 05 (12–95)

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Summary of Contents for Tennant 1186

  • Page 1 1186 (Operator Manual) MM267 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 TOP OF THE SOLUTION TANK. LEFT SIDE PANEL. FLAMMABLE MATERIALS LABEL – LOCATED ON RIGHT SIDE PANEL. 06323 FLAMMABLE MATERIALS LABEL – BACK STRAIN LABEL – LOCATED ON THE LOCATED ON RIGHT SIDE PANEL. UNDERSIDE OF THE FILTER ASSEMBLY. 1186 MM267 (6–94)

  • Page 5: Table Of Contents

    ....SELF ADJUSTING SHEAVE ..SQUEEGEE PIVOT ... . . 1186 MM267 (6–94)
  • Page 6 ....3-23 WHEEL DRIVE CHAINS ..3-23 STATIC DRAG CHAIN ... 3-23 1186 MM267 (6–94)
  • Page 7 ... Fig. 1 – Crankcase Group ....FINDING A TENNANT PART NUMBER Fig. 2 – Camshaft and Valves Group ..
  • Page 8 GENERAL INFORMATION 1186 MM267 (6–94)

  • Page 9: Specifications

    ....1–3 GENERAL MACHINE PERFORMANCE 1–3 MACHINE DIMENSIONS ....1–4 1186 MM267 (6–94)
  • Page 10 SPECIFICATIONS 1186 MM267 (6–94)

  • Page 11: Machine Specifications

    Rear – 5 x 1.5 caster (1) SYSTEM FLUID CAPACITIES Engine lubricating oil – 1 qt (0.95 L) Fuel tank – 1.25 gal (4.75 L) gasoline 20 lb (9 kg) LPG Solution tank – 11 gal (41.64 L) 1186 MM267 (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 06303 1186 MM267 (6–94)

  • Page 13: Operation

    TO STOP MACHINE ....2-11 POST OPERATION CHECKLIST – ENGINE STOPPED ... . 2-12 1186 MM267 (6–94)
  • Page 14 OPERATION 1186 MM267 (6–94)

  • Page 15: Preparation For Operation

    Flames And Sparks Away From Fuel System FOR SAFETY: Do Not Operate Machine Unless Service Area. Keep Area Well Ventilated. Operation Manual Is Read And Understood. 3. Check the engine oil level. See ENGINE in the MAINTENANCE section. 1186 MM267 (6–94)

  • Page 16: Operation Of Controls

    C. Battery 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. Engine Access Cover P. Parking Brake Lever 1186 MM267 (6–94)

  • Page 17: Instrument Panel Symbols

    The symbols are used to identify controls and displays on the machine: Filter Shaker Main Brush Free-Float Main Brush Down Main Brush Up Vacuum Shut-Off Circuit Breaker No. 1 Circuit Breaker No. 2 Choke Engine Start Key Switch Solution Flow Parking Brake Side Brush 1186 MM267 (6–94)

  • Page 18: Controls And Instruments

    B. Solution Flow Switch Key-Operated On-Off Switch C. Filter Shaker By-pass Switch J. Engine Choke Knob D. Ammeter K. Circuit Breakers E. Main Brush Lever L. Vacuum Shut-Off Knob F. Hour Meter M. Clutch Reverse Handle G. Start Switch 1186 MM267 (6–94)

  • Page 19: Clutch Handles

    (Main engine, turn the key to the left to the off position. Brush Free-Float) position. When parking the machine, always raise the brush to prevent the bristles from taking a set. 1186 MM267 (6–94)

  • Page 20: Engine Choke Knob

    Always park on a level surface, stop the engine, and set the parking brake before leaving the machine unattended and before working on the machine. 1186 MM267 (6–94)

  • Page 21: Thermo-Sentryt

    In the event of a fire in the hopper, the high air temperature would cause the thermostat to trip, stopping the engine cutting off air flow to the fire. After the thermostat has tripped, it will automatically reset after cooling. 03152 THERMO–SENTRYt A. Thermo-Sentryt 1186 MM267 (6–94)

  • Page 22: Machine Operation

    6. Drive the machine to the area to be swept. Check for LPG odor or frosting on hoses or components indicating a leak. Check controls for proper operation. Check service records to determine service requirements. 2 10 1186 MM267 (6–94)

  • Page 23: To Sweep

    3. LPG powered machines: Close the LPG parking brake. tank liquid service valve. FOR SAFETY: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, And Turn Off Machine. 5. Lift the filter cover. 2 11 1186 MM267 (6–94)

  • Page 24: To Stop Machine

    6. Drive the machine to the area to be machine engine. scrubbed. PRE-START CHECKLIST Check under machine for leak spots. Check engine lubricating oil level. Check fuel level. Check for LPG odor or frosting on hoses or components indicating LPG fuel leak. 2 12 1186 MM267 (6–94)

  • Page 25: To Scrub

    “off” position to prevent the filter shaker the solution tank, empty the debris hopper, from shaking. and refill the solution tank. WARNING: Flammable Materials Or Reactive Metals Can Cause Explosion Or Fire. Do Not Pick Up. 2 13 1186 MM267 (6–94)

  • Page 26: To Drain Solution Tank And Empty Debris Hopper

    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. 06314 SOLUTION LINE A. Debris Hopper B. Solution Line 2 14 1186 MM267 (6–94)

  • Page 27: Post Operation Checklist - Engine Operating

    Remove the key from the on-off switch. FOR SAFETY: When Using Machine; Go Slow On Grades And Slippery Surfaces. FOR SAFETY: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, And Turn Off Machine And Remove Key. 2 15 1186 MM267 (6–94)

  • Page 28: Machine Troubleshooting

    Debris caught on scrub brushes Remove debris Improper detergent or brushes Check with TENNANT used representative for advice Worn scrub brushes Replace scrub brushes Scrub brushes out of adjustment Adjust scrub brushes Debris hopper full Empty hopper 2 16 1186 MM267 (6–94)

  • Page 29: Transporting Machine

    A. Tie-Down When transporting the machine on a trailer or in a truck, be sure to engage the machine parking brake if so equipped, and block the machine tires to prevent the machine from rolling. 2 17 1186 MM267 (6–94)

  • Page 30: Machine Storage

    8. Remove the spark plug and pour 1 oz (30 cc) of new engine oil into the cylinder. 9. Crank the engine to distribute the oil, then replace the spark plug. 10. Clean the engine cooling fins. 2 18 1186 MM267 (6–94)

  • Page 31: Maintenance

    SHORT MAIN BRUSH BELT ..3-21 TO REPLACE SHORT MAIN BRUSH BELT ....3-21 1186 MM267 (6–94)
  • Page 32 MAINTENANCE 1186 MM267 (6–94)

  • Page 33: 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. 1186 MM267 (6–94)

  • Page 34: Maintenance Chart

    Check for hopper door seal – damage and wear Rear squeegee Check for damage, wear, – and adjustment 25 Hours Engine Change oil Clean cooling fins – Clean and oil air filter – pre-cleaner element Solution tank Clean – 1186 MM267 (6–94)

  • Page 35: Drive Chains

    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 36: Side Brush Gear Box

    SAE 30-weight, API class SF engine oil. If with a grease fitting. Apply Lubriplate EMB grease multiviscosity oil is used, oil consumption and (TENNANT Part No. 01433–1) to the grease combustion deposits will increase. fittings after every 50 hours of operation.

  • Page 37: 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 pivot shaft after every 50 hours of operation. 03143 REAR CASTER A. Rear Caster B.

  • Page 38: Engine

    A. Foam pre-cleaner B. Dry Cartridge Air Filter C. Wing Nut D. Air Filter Cover 5. Remove the foam pre-cleaner. 6. Wash the foam pre-cleaner in liquid detergent and water. 1186 MM267 (6–94)

  • Page 39: Fuel System - Gasoline

    The regulator reduces the pressure of the LPG running and warm. fuel to the level required by the carburetor. From the regulator, the LPG fuel is sent to the carburetor where it is finally metered into the combustion chamber air flow. 1186 MM267 (6–94)

  • Page 40: Fuel Tanks

    The following not attempt to make repairs to the tank, specific checks must also be made: regardless of condition. Repairs or disposal must only be made by qualified personnel. 3 10 1186 MM267 (6–94)

  • Page 41: 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: Before Leaving Or Servicing Machine; Stop On Level Surface, Set Parking Brake, And Turn Off Machine. 3 11 1186 MM267 (6–94)

  • Page 42: Fuel Filter Lock

    If any malfunction is noted, completely disassemble the regulator. Clean all of the parts in alcohol. Inspect all of the parts and replace where needed. Carefully reassemble the regulator with the seal repair kit. Check for proper operation. 3 12 1186 MM267 (6–94)

  • Page 43: Lpg Fuel Troubleshooting

    32 in lb (3.5 Nm). 01471 STARTER GAPPING THE SPARK PLUG The starter motor brushes must be inspected after A. Spark Plug every 400 hours of operation. B. Center Electrode C. Side Electrode D. Gapping Tool 3 13 1186 MM267 (6–94)

  • Page 44: Cylinder Head

    0.006 to 0.008 in (0.15 to 0.20 mm) cold. The exhaust valve clearance should be 0.017 to 0.019 in (0.43 to 0.48 mm) cold. Grind off the end of the valve stem to obtain the proper clearance. 3 14 1186 MM267 (6–94)

  • Page 45: Electrical System

    Never add acid to batteries, only water. Keep vent plugs firmly in place at all times, except when adding water or taking hydrometer readings. FOR SAFETY: When Servicing Machine, Avoid Contact With Battery Acid. 3 15 1186 MM267 (6–94)

  • Page 46: Electrical Schematic

    MAINTENANCE ELECTRICAL SCHEMATIC 06779 3 16 1186 MM267 (6–94)

  • Page 47: Belts And Chains

    NOTE: If the reverse belt is too tight, it will require excessive clutch handle pressure to propel machine in the forward direction. It may also cause the machine to creep backward when the handle is released. 3 17 1186 MM267 (6–94)

  • Page 48: To Replace Propelling Belts

    8. Slide the new belt through the coupling opening. J. Check for free spinning of differential. Loosen the center and right bearing 9. Reconnect the coupling to the differential flanges if it is not spinning freely. Rap shafts. and retighten. 3 18 1186 MM267 (6–94)

  • Page 49: Side Brush Belt

    Machine; Stop On Level Surface, Set Parking belt. Brake, And Turn Off Machine. 2. Remove the debris hopper. 3. Remove the engine access cover, right side bumper and cover. 4. Place the side brush arm in the down position. 3 19 1186 MM267 (6–94)

  • Page 50: To Replace Side Brush Belt

    4. Place the side brush arm in the raised 9. Adjust the belt tension as described in TO position. CHECK AND ADJUST SIDE BRUSH BELT TENSION. 10. Replace the right side bumper and cover, and engine access cover. 11. Replace the debris hopper. 3 20 1186 MM267 (6–94)

  • Page 51: Short Main Brush Belt

    5. Evenly tighten the two screws to expand the self-adjusting sheave. A. Self-Adjusting Sheave B. Short Main Brush Belt 6. Slip the belt off the sheaves. C. Two-Step Sheave D. Long Main Brush Belt E. Threaded Holes 3 21 1186 MM267 (6–94)

  • Page 52: 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. 3 22 1186 MM267 (6–94)

  • Page 53: To Replace Vacuum Fan Belt

    6. Adjust belt tension as described in TO Check the chain for wear periodically. Make sure CHECK AND ADJUST VACUUM FAN BELT it is making contact with the floor at all times. TENSION. 7. Close the filter cover. 3 23 1186 MM267 (6–94)

  • Page 54: 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 24 1186 MM267 (12–95)

  • Page 55: 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 25 1186 MM267 (6–94)

  • Page 56: 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 26 1186 MM267 (6–94)

  • Page 57: 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 27 1186 MM267 (6–94)

  • Page 58: 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 28 1186 MM267 (6–94)

  • Page 59: To Adjust Dust Filter To Hopper Sealing

    NOTE: Be sure the dust filter is dry before reinstalling it in the machine. Machines equipped with the fine particle filter option should vacuum the extra filter clean whenever the standard filter is serviced. 3 29 1186 MM267 (6–94)

  • Page 60: To Remove 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 30 1186 MM267 (6–94)

  • Page 61: 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 31 1186 MM267 (6–94)

  • Page 62: 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 32 1186 MM267 (6–94)

  • Page 63: 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 33 1186 MM267 (6–94)

  • Page 64: 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 34 1186 MM267 (6–94)

  • Page 65: 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 35 1186 MM267 (6–94)
  • Page 66 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 36 1186 MM267 (6–94)

  • Page 67: Appendix

    ....4–3 THREAD SEALANT AND LOCKING COMPOUNDS ....4–3 1186 MM267 (6–94)
  • Page 68 APPENDIX 1186 MM267 (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. 1186 MM267 (6–94)
  • Page 70 APPENDIX 1186 MM267 (6–94)

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