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MAINTENANCE

8400D MM312 (2–94)

74

If the main brush pattern is tapered, more
than 15 mm (0.5 in) on one end than the
other, adjust the taper with the taper
adjustment bracket at the idler end of the
brush.

A. Loosen the bracket mounting bolts.

B. Turn the taper adjustment nut

counter-clockwise to increase the
pattern width at the brush idler end, and
clockwise to decrease the pattern width
at the brush idler end. Tighten the
mounting bolts.

C. Check the main brush pattern and

readjust as necessary. Then adjust the
width of the main brush pattern.

00601

09183

09184

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Summary of Contents for 8400D

Page 1: ...8400D MM312 Operator Manual ...

Page 2: ... or servicing it This machine will provide excellent service However the best results will be obtained at minimum costs if The machine is operated with reasonable care The machine is maintained regularly per the maintenance instructions provided The machine is maintained with TENNANT supplied or approved parts Manual Number MM312 Revision 02 Published 4 96 Copyright 1994 1996 TENNANT Printed in U ...

Page 3: ...PRESSURE KNOB 24 SCRUB BRUSH DOWN PRESSURE KNOB 24 SIDE BRUSH DOWN PRESSURE KNOB 24 SOLUTION FLOW LEVER 25 LATCHES 25 THROTTLE LEVER 25 Page FUSE 26 OPERATOR SEAT 27 HOPPER SUPPORT BAR 27 HOW THE MACHINE WORKS 28 PRE OPERATION CHECKLIST 28 STARTING THE MACHINE 31 SWEEPING SCRUBBING AND BRUSH INFORMATION 33 SWEEPING 35 STOP SWEEPING 36 EMPTYING THE HOPPER 37 FILLING THE TANKS 38 SCRUBBING 40 DOUBLE...

Page 4: ...EPLACING OR ROTATING REAR SQUEEGEE BLADES 80 SIDE SQUEEGEES 81 REPLACING SIDE SQUEEGEE BLADES 81 SKIRTS AND SEALS 82 HOPPER LIP SKIRTS 82 HOPPER SIDE SKIRT 82 BRUSH DOOR SKIRTS 82 REAR SKIRTS 83 BRUSH DOOR SEALS 83 HOPPER SEALS 83 HOPPER INSPECTION DOOR SEAL 83 HOPPER DOOR SEALS 84 HOPPER COVER SEAL 84 HOPPER DUST SEAL 84 HOPPER VACUUM FAN SEAL 84 DEMISTER AND COVER SEALS 85 BRAKES AND TIRES 85 SE...

Page 5: ...perly Check brakes and steering for proper operation 3 When starting machine Keep foot on brake and directional pedal in neutral 4 When using machine Use brakes to stop machine Go slow on inclines and slippery surfaces Use care when reversing machine Move machine with care when hopper is raised Make sure adequate clearance is available before raising hopper Do not carry passengers on machine Alway...

Page 6: ...tay clear of hopper lift arms WARNING Moving belt and fan Keep away WARNING Flammable materials can cause an explosion or fire Do not use flammable materials in tank s WARNING Flammable materials or reactive metals can cause explosion or fire Do not pick up WARNING Strong vacuum Keep away from fan inlet when fan is running WARNING Hot bumper Keep away CALIFORNIA PROPOSITION 65 WARNING Engine exhau...

Page 7: ...label in its place HOPPER SUPPORT BAR LABEL LOCATED ON THE HOPPER SUPPORT BAR AND ON BOTH HOPPER LIFT ARMS ENGINE FAN AND BELT LABEL LOCATED ON THE RADIATOR SHROUD EMISSIONS LABEL LOCATED ON THE SIDE PANEL OF THE OPERATOR COMPARTMENT 09078 FOR SAFETY LABEL LOCATED ON THE SIDE PANEL OF THE OPERATOR COMPARTMENT FLAMMABLE SPILLS LABEL LOCATED ON THE SIDE PANEL OF THE OPERATOR COMPARTMENT ...

Page 8: ... 2 94 6 STRONG VACUUM LABEL LOCATED ON THE VACUUM FAN HOUSING HOPPER LIFT ARMS LABEL LOCATED ON BOTH HOPPER LIFT ARMS 09078 FLAMMABLE MATERIALS LABEL LOCATED ON THE SOLUTION TANK COVER HOT BUMPER LABEL LOCATED ON THE REAR LEFT PANEL ...

Page 9: ...c or supervisor when the required maintenance intervals occur as stated in the MAINTENANCE section of this manual Read this manual carefully before operating this machine FOR SAFETY Do not operate machine unless operation manual is read and understood Check the machine for shipping damage Check to make sure machine is complete per shipping instructions Check the hydraulic fluid level in the hydrau...

Page 10: ...a well ventilated After the first 50 hours of operation follow the recommended procedures stated in the MAINTENANCE CHART Keep your machine regularly maintained by following the maintenance information in this manual We recommend taking advantage of a regularly scheduled service contract from your Tennant representative Order parts and supplies directly from your authorized Tennant representative ...

Page 11: ... E F G H I J K L M 09078 A Instrument Panels H Side Squeegee B Steering Wheel I Sweeping Brush Access Door C Operator Seat J Side Brush D Demister Cover K Hopper Cover E Engine Side Door L Recovery Tank F Rear Squeegee M Recovery Tank Cover G Solution Tank ...

Page 12: ...r Fuel Hopper Raise Hourmeter Hopper Door Close ES Hopper Lower Detergent Flow Side Brush Down and On Scrub brush edge clean Fan Scrub Brushes Down and On Main Brush Down and Normal Speed Rear Squeegee Down and Vacuum On Main Brush Down and II Speed Horn Charging System Main Brush Down Pressure Light Filter Clogged Main Brush Down Pressure Heavy Recovery Tank Full Steering Tilt Engine Oil Pressure...

Page 13: ... Breaker 6 Fast Circuit Breaker 7 Idle Circuit Breaker 8 Off Circuit Breaker 9 Side Brush Down Pressure Light Variable Flow Side Brush Down Pressure Heavy Variable Pressure Circuit Breaker 1 Diesel Fuel Only Circuit Breaker 2 Hydraulic Fluid Only Circuit Breaker 3 Jackpoint Circuit Breaker 4 ...

Page 14: ...h X Edge Clean Switch G Hopper Raise Switch Y Scrub Brush Switch H Hopper Door Switch Z Squeegee and Vacuum Fan Switch I Hopper Lower Switch AA Throttle Lever J Side Brush Switch BB Steering Wheel K Vacuum Fan Switch CC Horn Button L Main Brush Normal Speed Switch DD Ignition Switch M Main Brush ll Speed Switch EE Steering Column Tilt Lever N Charging System Light FF Circuit Breakers O Engine Oil ...

Page 15: ...ge the speed of the machine with the pressure of your foot the harder you press the faster the machine travels Forward Press the top of the directional pedal with the toe of your foot Reverse Press the bottom of the directional pedal with the heel of your foot Neutral Take your foot off the directional pedal and it will return to the neutral position 07790 07791 07792 ...

Page 16: ...l surface set parking brake turn off machine and remove key Release Step on the brake pedal to release it and move the brake lever to the left with your foot at the same time Lock the lever in place in the short slot PARKING BRAKE PEDAL The parking brake pedal sets and releases the rear wheel brakes for machines serial number 10462 and above Set Press on the brake pedal as far as possible then pre...

Page 17: ...icator light above the switch will go off FILTER SHAKER SWITCH The filter shaker switch starts the hopper dust filter shaker The shaker automatically operates for 40 seconds Start Press the filter shaker switch The indicator light will remain on while the filter shaker is operating NOTE The vacuum fan shuts off while the filter shaker is operating HOPPER RAISE SWITCH The hopper raise switch raises...

Page 18: ... switch SIDE BRUSH SWITCH The side brush switch controls the side brush position and rotation The main brush must be operating for the side brush to work Down and On Press the switch The indicator light above the switch will come on Up and Off Press the switch again The indicator light above the switch will go off NOTE The side brush operates automatically when the main brush starts operating VACU...

Page 19: ...n Also the side brush will lower and start the vacuum fan will come on and the hopper door will open II Speed is used for sweeping light litter Down and on Press the switch The indicator light above the switch will come on Up and off Press the switch again The indicator light above the switch will go off NOTE The main brush II Speed switch can not be operated while using the scrubbing features If ...

Page 20: ...cted HOPPER TEMPERATURE LIGHT THERMO SENTRY The hopper temperature light comes on when there is too much heat in the hopper possibly from a fire The Thermo Sentry will stop the sweeping vacuum fan Stop operating the machine Locate the problem and have it corrected The Thermo Sentry has to be reset manually see THERMO SENTRY in MAINTENANCE CLOGGED FILTER LIGHT The clogged filter light comes on when...

Page 21: ...s have shut off NOTE Do not let the fuel tank empty completely Air can enter the fuel system and it will need bleeding before the next engine start HOURMETER The hourmeter records the number of hours the machine has been operated Use this information to determine machine maintenance intervals ES SWITCH OPTION The ES switch turns on and off the extended scrub system The ES system automatically come...

Page 22: ...indicator light above the switch will come on In Press the edge clean switch The indicator light above the switch goes off SCRUB BRUSH SWITCH The scrub brush switch controls the scrub head position and scrub brush rotation Also the rear squeegee will lower and the scrubbing vacuum will come on and the optional ES system and detergent pump at one half flow will start If the main brush II Speed is o...

Page 23: ...an switch The indicator light above the switch goes off There will be a slight delay before the vacuum shuts off NOTE The rear squeegee lowers and scrubbing vacuum starts automatically when the scrub brushes start operating NOTE The squeegee will raise and the vacuum will stop when the machine travels in reverse STEERING WHEEL The steering wheel controls the machine s direction The machine is very...

Page 24: ...al pedal in neutral Preheat Turn the key all the way counter clockwise and hold it there for 5 to 15 seconds depending on the weather conditions Start Turn the key all the way clockwise Release the key as soon as the engine starts Stop Turn the key counter clockwise TURN SIGNAL SWITCH OPTION The turn signal switch operates the turn signals Right Push the switch lever forward Left Pull the switch l...

Page 25: ...ust be reset manually Press the reset button after the breaker has cooled down If the overload that caused the circuit breaker to trip is still there the circuit breaker will continue to stop current flow until the problem is corrected The circuit breakers are located in the operator compartment The chart lists the circuit breakers and the electrical components they protect Circuit Breaker Rating ...

Page 26: ... DOWN PRESSURE KNOB The scrub brush down pressure knob changes the pressure of contact the scrub brushes have with the scrubbing surface Increase Turn the scrub brush down pressure knob clockwise Decrease Turn the scrub brush down pressure knob counter clockwise SIDE BRUSH DOWN PRESSURE KNOB The side brush down pressure knob changes the side brush contact with the sweeping surface Heavy Turn the s...

Page 27: ...ent pump LATCHES The side doors engine cover seat access cover and recovery tank cover are secured with latches Open the main brush side doors Push down on the door latch Open the engine side door Push in the door latch Open the demister cover Push in on the cover latch Open the recovery tank cover Push in the cover latch THROTTLE LEVER The throttle lever controls the engine speed Fast Push the le...

Page 28: ...igned to stop the flow of current in the event of a circuit overload Never substitute higher valve fuses than specified The fuse is located in the operator compartment Remove the circuit breaker panel to gain access to the fuse Fuse Rating Circuit Protected FU 1 40 A Glow plugs ...

Page 29: ...e seat mounting plate until the seat mount locks up Lower Pull on the release lever and lower the seat mounting plate HOPPER SUPPORT BAR The hopper support bar is located on the operator s side of the hopper The hopper support bar holds the hopper in the raised position to allow work under the hopper DO NOT rely on the machine hydraulic system to keep the hopper raised WARNING Raised hopper may fa...

Page 30: ...lution tank flows to the floor through a solution valve to the scrub brushes The brushes scrub the floor As the machine is moved forward the squeegee wipes the dirty solution off the floor which is then picked up and drawn into the recovery tank When using the ES mode the dirty solution in the recovery tank is filtered and returned to the solution tank to be reused When sweeping and scrubbing is f...

Page 31: ...OPERATION 29 8400D MM312 12 94 Check the engine air filter indicator Check the engine oil level Check fuel level Check the brakes and steering for proper operation 07764 07754 ...

Page 32: ...OPERATION 8400D MM312 2 94 30 Check the rear squeegee for wear and proper deflection Check the side squeegees for wear ...

Page 33: ...edal in neutral 2 Move the throttle lever to the Idle position 3 Turn the ignition switch key all the way counter clockwise and hold it there for 5 to 15 seconds depending on the weather conditions 4 Turn the ignition switch key clockwise until the engine starts NOTE Do not operate the starter motor for more than 10 seconds at a time or after the engine has started Allow the starter to cool betwee...

Page 34: ...e emits toxic gases Severe respiratory damage or asphyxiation can result Provide adequate ventilation Consult with your regulatory authorities for exposure limits Keep engine properly tuned 6 Release the machine parking brake 7 Move the throttle lever to the Fast position 8 Drive the machine to the area to be cleaned ...

Page 35: ... brush pressure and solution flow required for the best scrubbing results The machine has an edge clean feature for scrubbing against an edge When the recovery tank is almost full the recovery tank full indicator will light The recovery tank will have to be drained and cleaned Then refill the solution tank with clean water and detergent and continue cleaning For best results use the correct brush ...

Page 36: ...purpose brush for sweeping of light to medium debris in both indoor and outdoor applications This brush is recommended when bristles may get wet Nylon Side Brush A longer life general purpose brush that is recommended for rough surfaces Flat Wire Side Brush Recommended for outside and curb side sweeping where soilage is heavy or compacted The stiff wire bristles dig out soilage This brush is also ...

Page 37: ...ping floors Quickly and easily cuts through old finish to prepare the floor for recoating Scrubbing Pad This pad is for scrubbing floors Removes dirt spills and scuffs leaving a clean surface ready for recoating Buffing Pad This pad is for buffing floors Quickly cleans and removes scuff marks while polishing the floor to a high gloss Polishing Pad This pad is for polishing floors Maintains a high ...

Page 38: ...tart the sweeping vacuum will start and the hopper door will open 4 Sweep as needed STOP SWEEPING 1 Press the main brush normal switch or main brush II Speed switch to raise and stop the main brush The side brush will automatically stop and raise the sweeping vacuum will stop and the hopper door will close 2 Press the filter shaker switch to shake the hopper dust filter 09561 09564 09567 ...

Page 39: ...When using machine make sure adequate clearance is available before raising hopper NOTE Be aware that the minimum ceiling height needed to high dump the hopper is 2490 mm 98 in FOR SAFETY When using machine move machine with care when hopper is raised 4 Drive the machine up to the debris container 5 Push the hopper door switch to open the hopper door The indicator light above the switch goes out 6...

Page 40: ... 2 94 38 7 Press and hold the hopper down switch to lower the hopper FILLING THE TANKS 1 Start the engine 2 Drive the machine to the filling site 3 Stop the solution flow 4 Shut the engine off 5 Set the parking brake 09571 ...

Page 41: ...TE Floor conditions water condition amount of soilage type of soilage brush action all play an important role in determining the type and concentration of detergent used For specific recommendations contact your TENNANT representative ES mode Connect a hose from the water source to the auto fill connections on the machine Turn the ignition key to the on position and turn on the water source The au...

Page 42: ...st position WARNING Flammable materials or reactive metals can cause explosion or fire Do not pick up 3 Press the scrub brush switch to lower and start the scrub brushes The rear squeegee will automatically lower and the scrubbing vacuum will start For the ES option the ES system and detergent pump at one half flow will automatically start 4 Move the solution lever forward 09736 ...

Page 43: ... the ES switch so the indicator above the switch is off Press the detergent switch so that both indicator lights are off 5 Drive the machine forward and scrub as required 6 Adjust the solution flow to the floor as needed 7 Adjust brush pressure for cleaning application 09737 09738 ...

Page 44: ...the solution to soak on the floor Let the solution remain on the floor for 5 to 15 minutes Then make a second pass scrubbing with the squeegee down FOR SAFETY When using machine go slow on inclines and slippery surfaces STOP SCRUBBING 1 Move the solution lever all the way back 2 Press the scrub brush switch to raise and stop the scrub brushes The rear squeegee will automatically raise and the scru...

Page 45: ...ank then can be filled again for additional scrubbing If you used the machine in ES mode the solution tank should also be drained and cleaned when you are finished scrubbing 1 Stop scrubbing 2 Drive the machine next to a floor drain 3 Shut the engine off 4 Set the parking brake 5 Flush out demister cover with clean water NOTE The water must not be hotter than 55 C 130 F or tank damage may occur Do...

Page 46: ...ter than 55 C 130 F or tank damage may occur Do not use steam to clean the tank 11 ES mode Open the recovery tank cover Disconnect the ES pump wire Remove the solution hose from the solution tank Unscrew the cap and ES pump from the top of the recovery tank Clean the ES filter Place the filter back in the recovery tank and connect the ES pump wire and solution hose 12 ES mode Drain the solution ta...

Page 47: ...8400D MM312 4 96 STOP THE MACHINE 1 Stop sweeping and scrubbing 2 Take your foot off the directional pedal Step on the brake pedal 3 Set the machine parking brake 4 Move the throttle lever to the Off position 07754 ...

Page 48: ...312 2 94 46 5 Turn the ignition switch key counter clockwise to stop the engine Remove the switch key FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake turn off machine and remove key ...

Page 49: ...RUSH in MAINTENANCE Check the brush skirts for damage wear and adjustment Check for wire or string tangled on the main scrub and side brushes Check the squeegees for wear or damage Drain and clean the recovery tank ES mode Drain and clean the solution tank Clean the ES filter Check the vacuum hoses for debris or obstructions 08001 08002 ...

Page 50: ...OPERATION 8400D MM312 2 94 48 Check for fuel odor that indicates a fuel leak Check under the machine for leak spots fuel oil coolant Check the service records to determine maintenance requirements 07807 ...

Page 51: ...g brake FOR SAFETY When starting machine keep foot on brake and directional pedal in neutral 2 Start the engine 3 Raise the hopper all the way up 4 Lift and position the hopper support bar under the hopper lift arm WARNING Raised hopper may fall Engage hopper support bar 09569 08003 ...

Page 52: ... bar WARNING Lift arm pinch point Stay clear of hopper lift arms 6 Shut the engine off DISENGAGING HOPPER SUPPORT BAR 1 Start the engine FOR SAFETY When starting machine keep foot on brake and directional pedal in neutral 2 Raise the hopper slightly to release the hopper support bar 07803 09569 ...

Page 53: ...y clear of hopper lift arms 4 Lower the hopper 5 Shut the engine off OPERATION ON INCLINES Drive the machine slowly on inclines Use the brake pedal to control machine speed on descending inclines The maximum rated incline is 8 FOR SAFETY When using machine go slow on inclines and slippery surfaces 08004 09571 ...

Page 54: ...llows pick up of spills that are out of reach of the machine 1 Stop the machine within reach of the area to be vacuumed 2 Lower the squeegee and shut the engine off 3 Set the machine parking brake FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake turn off machine and remove key 09735 ...

Page 55: ...the squeegee suction hose from the rear squeegee and connect the vacuum hose 5 Put together the wand and the wand hose 6 Start the engine 7 Move the throttle lever to the Fast position 8 Lower the squeegee to turn the vacuum system on 09735 ...

Page 56: ...2 2 94 54 9 Vacuum the floor 10 Shut the engine off 11 Remove the vacuum hose from the squeegee suction hose and connect the squeegee suction hose to the rear squeegee 12 Put the vacuum wand and hose in the mounting clips ...

Page 57: ... and rear of the machine The front tie down bracket is above the front tires The rear tie down is located on both sides of the tail light bracket under the rear bumper When transporting the machine on a trailer or in a truck be sure to set the parking brake and block the tires to prevent the machine from rolling 08152 08151 ...

Page 58: ...NT service personnel Thermo Sentry tripped Reset Thermo Sentry Poor sweeping performance Brush bristles worn Replace brushes Main and side brushes not adjusted properly Adjust main and side brushes Debris caught in main brush drive mechanism Free drive mechanism of debris Main brush drive failure Contact TENNANT service personnel Side brush drive failure Contact TENNANT service personnel Hopper fu...

Page 59: ...ar squeegee Remove debris Foam filling recovery tank Empty recovery tank use less or change detergent Vacuum hose to rear squeegee disconnected or damaged Reconnect or replace vacuum hose Vacuum fan to recovery tank hose damaged Replace hose Little or no solution flow to the Solution tank empty Fill solution tank floor Solution control linkage out of adjustment Replace and or adjust cable Solution...

Page 60: ...nt 11 Main brush Check for damage wear and 1 adjustment Check brush pattern 1 10 Side brush Check for damage wear and 1 adjustment Check brush pattern 1 9 Hopper dust filter Shake 2 16 Rear Squeegee Check for damage and wear 1 Check deflection 1 4 Side Squeegees Check for damage and wear 2 4 Scrub brushes Check for damage and wear 1 5 Recovery tank Clean 1 12 Recovery tank ES mode Clean ES filter ...

Page 61: ...e SPL 2 400 Hours 8 Front wheel bearings Check lubricate and adjust SPL 2 2 Fuel filter Replace cartridge 1 15 Fuel tank Remove sediment 1 1 Cooling system Flush WG 1 800 Hours 3 Hydraulic reservoir Replace filler cap 1 Replace suction strainer 1 Change hydraulic fluid HYDO 1 3 Hydraulic fluid filter Change filter element 1 Hydraulic hoses Check for wear and damage All 17 Propelling motor Torque s...

Page 62: ...st to the end of the dipstick Full level is indicated by the mark closest to the top of the dipstick The engine oil capacity is 6 15 L 6 5 qt without the oil filter The engine oil filter is mounted on the right side of the machine frame above the scrub brushes REAR WHEEL SUPPORT The rear wheel support pivots the rear wheel The support has one grease fitting for the bearings The rear wheel support ...

Page 63: ...d the other is at the middle pivot The lift arms should be lubricated with Lubriplate EMB grease TENNANT part no 01433 1 every 200 hours of operation HOPPER DOOR PIVOTS The hopper door pivot has two grease fittings one on each side of the hopper The hopper door should be lubricated with Lubriplate EMB grease TENNANT part no 01433 1 every 200 hours of operation REAR SQUEEGEE CASTERS Each of the rea...

Page 64: ...re putting the cap back on the reservoir ATTENTION Do not overfill the hydraulic fluid reservoir or operate the machine with a low level of hydraulic fluid in the reservoir Damage to the machine hydraulic system may result Drain and refill the hydraulic fluid reservoir with new hydraulic fluid every 800 hours of operation The hydraulic fluid filter is located at the bottom of the engine compartmen...

Page 65: ...le hydraulic fluids Check the label on the hydraulic fluid reservoir ATTENTION Hydraulic components depend on system hydraulic fluid for internal lubrication Malfunctions accelerated wear and damage will result if dirt or other contaminants enter the hydraulic system HYDRAULIC HOSES Check the hydraulic hoses every 800 hours of operation for wear or damage Fluid escaping at high pressure from a ver...

Page 66: ... the fins becoming encrusted with dust Clean the radiator and cooler only after the radiator has cooled to avoid cracking FOR SAFETY When servicing machine wear eye and ear protection when using pressurized air or water Flush the radiator and the cooling system every 800 hours of operation using a dependable cleaning compound AIR FILTER INDICATOR The air filter indicator shows when to clean or rep...

Page 67: ... shows restriction in the air intake system Do not remove the air filter element from the housing unless it is restricting air flow To clean the filter element remove it from the filter housing Carefully clean the end cap and the interior of the housing with a damp cloth Clean the housing sealing surfaces Using an air hose direct clean dry air maximum 205 kPa 30 psi up and down the pleats on the i...

Page 68: ...HE FUEL SYSTEM When the fuel lines are not installed plug both ends with clean cloth or paper to prevent dirt from entering the lines Dirt in the lines can cause fuel injection pump malfunction PRIMING THE FUEL SYSTEM Priming the fuel system removes pockets of air in the fuel lines and fuel components Air in the fuel system will prevent smooth engine operation Prime the fuel system after running o...

Page 69: ... air vent 7 Close the access doors BATTERY The battery for the machine is a low maintenance battery Do not add water to the battery or remove the battery vent plugs The battery is located at the bottom of the operator compartment After the first 50 hours of operation and every 800 hours after that clean and tighten the battery connections FOR SAFETY When servicing machine avoid contact with batter...

Page 70: ...9 mm 0 28 to 0 35 in from a force of 10 kg 22 lb applied at the mid point of the longest span Check and adjust the belt tension every 100 hours of operation WARNING Moving belt and fan Keep away STATIC DRAG CHAIN A static drag chain prevents the buildup of static electricity in the machine The chain is attached to the machine by a rear main brush skirt retaining bolt Make sure the chain is touchin...

Page 71: ... of the filter element or the filter will not seat properly in the filter frame AIR Blow air through the dust filter opposite the direction of the arrows This may be done with the dust filter in the machine Always wear eye protection when using compressed air FOR SAFETY When servicing machine wear eye and ear protection when using pressurized air or water WATER Soak the dust filter in a water and ...

Page 72: ... out of the hopper 6 Lift the dust filter element out of the hopper insert 7 Clean or discard the dust filter as required 8 Put the cleaned or new dust filter in the hopper insert with the arrows pointing up 9 Put the shaker frame on top of the panel filter 10 Install the four retaining nuts and tighten 11 Connect the shaker motor wire connectors 08011 08014 08012 08013 ...

Page 73: ...ead parts are damaged or are replaced BRUSHES MAIN BRUSH The main brush is cylindrical and spans the width of the machine sweeping debris into the hopper Check the brush daily for wear or damage Remove any string or wire tangled on the main brush main brush drive hub or main brush idler hub Check the main brush pattern daily The pattern should be 50 to 65 mm 2 0 to 2 5 in wide with the main brush ...

Page 74: ...emove the brush idler plate 5 Grasp the main brush pull it off the brush drive plug and out of the main brush compartment 6 Put the new or rotated end for end main brush on the floor next to the access door 7 Slide the main brush onto the drive plug Rotate the brush until it engages the drive plug and push it all the way onto the plug 8 Slide the main brush idler plate plug onto the main brush 9 L...

Page 75: ...moving This will lower the rotating main brush NOTE If chalk or other material is not available allow the brushes to spin on the floor for two minutes A polish mark will remain on the floor 5 Raise the main brush 6 Stop the main brush 7 Drive the machine off the test area 8 Observe the width of the brush pattern The proper brush pattern width is 50 to 65 mm 2 0 to 2 5 in 9 To increase the width of...

Page 76: ...idler end of the brush A Loosen the bracket mounting bolts B Turn the taper adjustment nut counter clockwise to increase the pattern width at the brush idler end and clockwise to decrease the pattern width at the brush idler end Tighten the mounting bolts C Check the main brush pattern and readjust as necessary Then adjust the width of the main brush pattern 00601 09183 09184 ...

Page 77: ...replaced when it no longer sweeps effectively for your application A guideline length is when the remaining bristles measure 50 mm 2 in in length You may change the side brush sooner if you are sweeping light litter or wear the bristles shorter if you are sweeping heavy debris REPLACING SIDE BRUSH 1 Empty the debris hopper 2 Set the machine parking brake 3 Stop the engine FOR SAFETY Before leaving...

Page 78: ...crub brushes scrub the floor A spring lock clip holds the scrub brush onto the drive hub The scrub brushes should be checked daily for tangled wire or string wear and damage The brushes should be replaced if large portions of the brush bristles are missing or if the remaining brush bristle measure 0 25 in 6 mm or less in length NOTE Be sure to replace the scrub brushes in sets Otherwise one scrub ...

Page 79: ...y The linkage can be moved to the middle hole to increase solution flow to the floor And moved to the outside hole for even greater flow to the floor RECOVERY TANK The recovery tank stores recovered solution The recovery tank should be drained and cleaned daily or whenever the float stops the vacuum fan or the recovery tank full light comes on NOTE The water must not be hotter than 55 C 130 F or t...

Page 80: ...e operation LEVELING THE REAR SQUEEGEE Leveling of the squeegee assures even contact the length of the squeegee blade with the surface being scrubbed Make sure this adjustment is done on an even level floor 1 Lower the squeegee and drive the machine forward 2 Shut off the engine and set the machine parking brake FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake...

Page 81: ...e the machine forward 2 Shut off the engine and set the machine parking brake FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake turn off machine and remove key 3 Look at the deflection of the squeegee blade over the full length of the squeegee blade The correct amount of deflection is 7 mm 0 25 in 4 To adjust the amount of deflection loosen the top knob on the ...

Page 82: ...ure the squeegee is raised off the floor 2 Shut the engine off 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 Remove the ringed pin deflector gasket retainer bracket and retainer strip from the end of the squeegee 4 Pull the squeegee blade off the squeegee frame 5 Replace or rotate the squeegee blad...

Page 83: ...r they become damaged or lose their shape or resilience Replace the squeegee deflectors whenever they become worn REPLACING SIDE SQUEEGEE BLADES 1 Raise the scrub head 2 Turn off the machine and set the machine parking brake FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake turn off machine and remove key 3 Remove the cotter pin clevis pin deflector and the ret...

Page 84: ...The hopper side skirt is located on the left side of the hopper Check the hopper side skirt for wear or damage daily BRUSH DOOR SKIRTS The brush door skirts are located on the bottom of each of the two main brush doors The long skirt should clear the floor by 3 to 6 mm 0 12 to 0 25 in The inner skirt should be angled so that the rear corner touches the floor and the front corner is 6 mm 0 25 in ab...

Page 85: ...brush door seals are located on both main brush doors and on corresponding portions of the main frame Check the seals for wear or damage every 100 hours of operation HOPPER SEALS The hopper seals are located on the top and side portions of the machine frame that contact the hopper Check the seals for wear or damage every 100 hours of operation HOPPER INSPECTION DOOR SEAL The hopper inspection door...

Page 86: ...partment Check the seal for wear or damage every 100 hours of operation HOPPER DUST SEAL The hopper dust seal is located under the hopper insert along the top of the hopper Check the seal for wear or damage every 100 hours of operation You can reach the seal by removing the hopper insert HOPPER VACUUM FAN SEAL The hopper vacuum fan seal is mounted on the inside of the hopper around the vacuum fan ...

Page 87: ...mechanical service brakes are located on the front wheels The brakes are operated by the foot brake pedal and connecting cables Check the brake adjustment every 200 hours of operation PARKING BRAKE The parking brake is set with the parking brake lever that locks the brake pedal TIRES The machine tires are solid Check the tires every 100 hours of operation for damage REAR WHEEL Torque the rear whee...

Page 88: ...r and tow it only from the rear The machine has tie down location on the machine frame for machines that do not have the optional tie down brackets The front tie down location is the hole in the wheel pocket at front of the machine frame The rear tie down location is the bottom lip at each corner of the rear bumper Use the lip for hanging tie down hooks WARNING Hot bumper Keep away When transporti...

Page 89: ...cking locations are on the flat bottom edge of the front of the machine frame next to the front tires The rear jacking location is the left corner of the rear bumper FOR SAFETY When servicing machine block machine tires before jacking machine up FOR SAFETY When servicing machine jack machine up at designated locations only Block machine up with jack stands WARNING Hot bumper Keep away STORING MACH...

Page 90: ...ing path width with side brush 1525 mm 60 in Squeegee width 1490 mm 58 7 in Scrubbing path width 1220 mm 48 in Main sweeping brush pattern width 50 to 65 mm 2 to 2 5 in Hopper weight capacity 545 kg 1200 lb Hopper volume capacity 400 L 14 ft3 Dust filter area 6 9 m2 74 ft2 Solution tank 227 L 60 gal Recovery tank 227 L 60 gal Detergent tank option 18 9 L 5 gal Total capacity with ES option 379 L 1...

Page 91: ... governed speed under load Engine lubricating oil without filter 1500 25 rpm 2400 25 rpm 6 15 L 6 5 qt SAE CC CD rated engine oil STEERING Type Power source Emergency steering Rear wheel hydraulic cylinder and rotary valve controlled Hydraulic accessory pump Manual HYDRAULIC SYSTEM System Capacity Fluid Type Hydraulic reservoir 37 8 L 10 gal TENNANT part no 65869 above 7 C 45 F Hydraulic total 53 ...

Page 92: ...rush switch 16 Button Horn 22 C Capacities 88 Chains 68 Static drag 68 Charging system light 17 Circuit breakers 23 Clogged filter light 18 Control panel Clogged filter light 18 Detergent flow switch 20 Edge clean switch 20 Engine oil pressure 17 18 Engine water temperature light 18 ES switch 19 Filter shaker switch 15 Fuel level gauge 19 Hazard light switch 14 Hopper door switch 15 Hopper lower s...

Page 93: ...hopper support bar 50ć52 Doors Brush Latch 25 Seals 83 Skirts 82 Engine side Latch 25 Hopper Pivots 61 Hopper Seals 84 Hopper Inspection Seal 83 Double scrubbing 42 Draining and cleaning tanks 43ć45 Dust filter 69ć70 Changing 69 71 Cleaning 69 E Edge clean switch 20 Electrical Circuit breakers 23 Fuse 26 Ignition switch 22 Emptying the hopper 37ć39 Engaging hopper support bar 49ć51 Engine 64ć67 Ai...

Page 94: ...ydraulics 62ć64 Fluid 62 64 Fluid filter 62 Fluid level 7 62 Hoses 63 Propelling motor 63 Reservoir 62 System specifications 89 I Ignition switch 22 J Jack points 87ć89 K Knobs Main brush down pressure 24 Scrub brush down pressure 24 Side brush down pressure 24 L Latches 25 Demister cover 25 Engine side door 25 Main brush doors 25 Recovery tank cover 25 Leveling the rear squeegee 78ć80 Levers Park...

Page 95: ...4 Hoses 64 Rear squeegee 80ć82 Deflection 79 Leveling 78 80 Replacing blades 80 82 Rear wheel 85 Recovery tank 47 77 Cover latch 25 Full light 19 Recovery tank full light 19 Replacing rear squeegee blades 80ć82 Replacing side squeegee blades 81 S Safety Disengaging hopper support bar 50 52 Engaging hopper support bar 49 51 Hopper support bar 27 Labels 5 7 Precautions 3 5 Scrub brush down pressure ...

Page 96: ...21 Starting the machine 31ć32 Static drag chain 68 Steering 29 Specifications 89 Steering column tilt lever 23 Steering wheel 21 Stop scrubbing 42 Stop sweeping 36 Stop the machine 45ć47 Storing machine 87 Sweeping 35ć37 Sweeping and brush information 33ć36 Switches Detergent flow 20 Edge clean 20 ES 19 Filter shaker 15 Hazard light 14 Hopper door 15 Hopper lower 16 Hopper raise 15 Ignition 22 Mai...

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