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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.
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.
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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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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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)
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)
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)
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)
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)
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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.
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...
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.
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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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)
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