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This service manual is intended to be an aid for the disassembly and reassembly of your TENNANT
Model 3640G/LP walk behind sweeper

The set is organized into five major groups: General Information, Chassis, Sweeping, Electrical,

and Engine G/LP.

General Information

: Safety precautions, machine transport, machine jacking, machine storage, chassis

lubrication, machine specifications, and machine maintenance chart.

Chassis:

Tire/wheel replacement, caster replacement, and transaxle repair.

Sweeping:

Hopper repair/replacement, brush repair/replacement, skirt/seal repair/replacement, and

sweeping troubleshooting.

Electrical:

Battery maintenance and replacement, electrical schematics, and electrical troubleshooting.

Engine -- GAS/LP:

Air filter replacement, oil changing, engine repair, engine troubleshooting, engine

removal, fuel system repair, and engine repairs.

Manual Number -- 330585

Revision: 01

Published: 12--01

CALIFORNIA PROPOSITION 65 WARNING:

Engine exhaust from this product contains chemicals known to the State of
California to cause cancer, birth defects, or other reproductive harm.

2000, 2001 TENNANT, Printed in U.S.A.

Содержание 3640G/LP

Страница 1: ...330585 Rev 01 12 01 Service Manual 3640G LP ...

Страница 2: ... and transaxle repair Sweeping Hopper repair replacement brush repair replacement skirt seal repair replacement and sweeping troubleshooting Electrical Battery maintenance and replacement electrical schematics and electrical troubleshooting Engine GAS LP Air filter replacement oil changing engine repair engine troubleshooting engine removal fuel system repair and engine repairs Manual Number 33058...

Страница 3: ... 1 6 ELECTRIC MOTORS 1 6 TIRES 1 6 MACHINE DIMENSIONS 1 7 MAINTENANCE 1 8 MAINTENANCE CHART 1 8 PUSHING AND TRANSPORTING THE MACHINE 1 9 PUSHING THE MACHINE 1 9 TRANSPORTING THE MACHINE 1 9 MACHINE STORAGE 1 11 STATIC DRAG CHAIN 1 13 HARDWARE INFORMATION 1 14 STANDARD BOLT TORQUE CHART 1 14 METRIC BOLT TORQUE CHART 1 14 BOLT IDENTIFICATION 1 14 THREAD SEALANT AND LOCKING COMPOUNDS 1 14 ...

Страница 4: ...GENERAL INFORMATION 1 2 3640G LP 330585 5 00 ...

Страница 5: ...es Report machine damage or faulty operation immediately 4 Before leaving or servicing machine Stop on level surface Move directional lever into Park position Turn off machine and remove key 5 When servicing machine Avoid moving parts Do not wear loose jackets shirts or sleeves when working on machine Use hoist or jack that will support the weight of the machine Wear eye and ear protection if usin...

Страница 6: ... indicated If these or any labels become damaged or illegible install a new label in its place FOR SAFETY LABEL LOCATED ON THE CONTROL PANEL TOXIC GASES LABEL LOCATED ON THE CONTROL PANEL BACK STRAIN LABEL LOCATED ON THE MOTOR COMPARTMENT COVER FLYING DEBRIS WARNING LABEL LOCATED ON THE MOTOR COMPARTMENT COVER 350841 ...

Страница 7: ...Sweeping path width main brush and one side brush 815 mm 32 in Sweeping path width main brush and two side brushes 1015 mm 40 in Hopper capacity Maximum 85 L 3 0 cu ft Hopper capacity Usable 42 5 L 1 5 cu ft Panel filter area 3 62 sq m 39 sq ft Bag filter volume 17 L 0 6 cu ft GENERAL MACHINE PERFORMANCE Item Measure Maximum forward speed first speed 1 5 kmh 0 9 mph Maximum forward speed second sp...

Страница 8: ...otive regular gasoline 87 octane minimum unleaded Fuel tank 3 6L 0 95 gal Air Alternator output 13 5 V 9 6A 2400 rpm LPG vapor Fuel tank 9 kg 20 lb 12 V Battery 260 cca Governed speed under load 2400 rpm maximum Engine lubricating oil with filter 0 65L 1 4 pt 30 SAE CD SE rated engine oil ELECTRIC MOTORS Type Use VDC Amp Kw hp Electric Motors Side brush es disk 13 V 4 25 A 0 075 1 TIRES Location T...

Страница 9: ...GENERAL INFORMATION 1 7 3640G LP 330585 12 01 960 mm 37 7 in 820 mm 32 25 in 815 mm 32 in 1475 mm 58 in 610 mm 24 in 350910 MACHINE DIMENSIONS ...

Страница 10: ...or 1 2 Vacuum inlet plate Check clean 1 50 Hours 1 Engine oil Change EO 1 1 Engine air filter Replace 1 1 Vacuum fan belt Check tension and wear 1 5 Main brush Rotate end for end and check brush pattern 1 100 Hours 6 Panel filter Remove and clean 1 7 Wide track tires option Check for damage pressure 2 8 Heavy duty casters option Lubricate SPL 2 200 Hours 1 Sparkplug Check replace 1 1 Gasoline fuel...

Страница 11: ...nd use a winch to load machine If the loading surface is horizontal AND is 380 mm 15 in or less from the ground the machine may be pushed onto the truck or trailer 3 To winch the machine onto the truck or trailer remove the hopper and place a strap through the front frame of the machine Make sure the machine is in neutral and is centered FOR SAFETY When loading machine onto truck or trailer use wi...

Страница 12: ...e machine by wrapping a strap around the hopper and fastening it to the truck or trailer 6 If the loading surface is not horizontal or is higher than 380 mm 15 in from the ground use a winch to unload machine If the loading surface is horizontal AND is 380 mm 15 in or less from the ground the machine may be pushed off the truck or trailer FOR SAFETY When unloading machine off truck or trailer use ...

Страница 13: ... 5 00 MACHINE STORAGE When storing the machine for extended periods of time the following procedures must be followed 1 Raise the main and side brush es 2 Empty and clean the debris hopper 3 Drain or disconnect and remove LPG tank fuel system ...

Страница 14: ... 4 Change the engine oil 5 Remove the spark plug pour 30 cc 1 oz of engine oil into the cylinder and slowly rotate the crankshaft to distribute the oil Replace the spark plug 6 Clean the engine cooling fins 7 Store the machine in a clean dry area ...

Страница 15: ...drag chain prevents the buildup of static electricity in the machine The chain is attached to the backstop bracket Make sure the chain is always touching the floor Always use a internal tooth lock washer between the chain and rear guard to ensure a proper electrical connection ...

Страница 16: ...0 291 380 313 407 424 552 1 00 in 500 650 678 881 757 984 1026 1334 NOTE Decrease torque by 20 when using a thread lubricant METRIC BOLT TORQUE CHART Thread Size Class 8 8 Torque ft lb _Nm Class 10 9 Torque ft lb Nm M4 2 3 3 4 M5 4 5 6 8 M6 7 9 10 14 M8 18 24 25 34 M10 32 43 47 64 M12 58 79 83 112 M14 94 127 133 180 M16 144 195 196 265 M20 260 352 336 455 M24 470 637 664 900 NOTE Decrease torque b...

Страница 17: ...STERS 2 6 TO REPLACE FRONT CASTERS 2 6 SHIFT CABLE 2 7 TO REPLACE SHIFT CABLE 2 7 TO ADJUST SHIFT CABLE 2 13 TRANSAXLE TRANSMISSION 2 15 TO REMOVE TRANSAXLE 2 15 TO INSTALL TRANSAXLE 2 19 TRANSAXLE BREAKDOWN 2 22 TO REPLACE FLAT DRIVE BELT 2 23 TO REPLACE DRIVE BELT IDLER CABLE clutch handle cable 2 26 TO REPLACE DRIVE BELT IDLER PULLEY 2 32 ...

Страница 18: ...CHASSIS 2 2 3640G LP 330585 5 00 ...

Страница 19: ...CHASSIS 2 3 3640G LP 330585 5 00 INTRODUCTION This section includes information on the main chassis related components for example the rear wheels casters and transaxle ...

Страница 20: ...op On Level Surface Place Shifter In Park 1 Lift the rear of the machine by tipping the machine back and placing blocks under the machine frame in front of the wheels Let the machine go forward to contact the blocks The rear wheels will lift off the floor 2 Remove the flat head screw holding the hub cap to the drive wheel 3 Pull the hub cap off the drive wheel 4 Pull the tire and wheel assembly of...

Страница 21: ...the drive axle Make sure the pin in the axle lines up with the slot in the black plastic hub NOTE Place machine in Neutral then rotate axle until cross pin is horizontal Put machine in Park and install hub wheel assembly 2 Install the hub cap on the drive wheel 3 Install the flat head screw in the end of the axle Tighten to 7 6 9 9 Nm 6 8 ft lb 4 Remove the blocks and lower the machine ...

Страница 22: ...g Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the debris hopper from the machine 2 Raise the front of the machine and install blocks under the frame 3 Remove the two hex screws holding the caster to the front of the machine frame Remove the caster from the machine 4 Position the new caster on the front of the machine 5 Install the two hex screws and tighten to 18 24 N...

Страница 23: ...ble runs from the lever on the handle to the lever on the transaxle TO REPLACE SHIFT CABLE FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the filter cover from the rear of the machine 2 Move the directional control lever to the park position 3 Remove the handle stop bracket from the upper left side of the filter compartment ...

Страница 24: ...e three screws holding the cover plate to the inside of the left side handle tower Remove the cover plate from the machine 6 Loosen the nut holding the directional control lever to the mount plate Move the directional control lever out away from the mount plate 7 Remove the cotter pin and clevis pin from the end of the shift cable ...

Страница 25: ...e the cable out of the slot 9 Go down to the transaxle and locate the shift link on the left side of the housing Pop the shift cable end off the ball end on the shift link 10 Remove the two hex screws holding the shift cable mount clamp to the machine frame 11 Remove the shift cable mounting clamp from the cable ...

Страница 26: ... cable in the same orientation 14 Install the new cable assembly in the machine Make sure the end with the two larger jam nuts is positioned near the upper shift lever NOTE Start with the mounting jam nuts about half way down on the threads of the cable 15 Place the cable and jam nuts in the slot of the mount plate with 2 3 threads showing above the upper nut Firmly tighten the jam nuts ...

Страница 27: ...s to 7 6 9 9 Nm 6 8 ft lb 18 Make sure the upper shift lever is placed in the PARK position Snap the shift cable end over the ball end on the lower shift link Adjust the cable end in or out as needed so it is aligned with the ball end on the link Re tighten the jam nut against the cable ball end 19 Reinstall the left side handle assembly cover plate Tighten the three hex screws to 18 24 Nm 15 20 f...

Страница 28: ...e of the four adjustment holes 21 Reinstall the filter cover and handle stop bracket 22 Start the machine and check the shift lever for proper gear selection and operation If the shift lever does not operate properly see TO ADJUST SHIFT CABLE instructions in this section ...

Страница 29: ...Level Surface Place Shifter In Park 1 Pull the upper shift lever back until it is firmly in the park position hole 2 Go down to the shift link on the left side of the transaxle Pop the cable end off the ball end on the link 3 Once the cable end is off the ball end verify that the shift link is in the PARK detent ...

Страница 30: ... end to the shift cable end These two parts should line up perfectly if not loosen the cable end jam nut and move the cable end in or out to achieve the proper adjustment Re tighten the jam nut 5 If more adjustment is needed the shift cable can be adjusted at the two jam nuts behind the plastic handle cover or at the upper clevis ...

Страница 31: ...grip handle The transmission can be shifted quickly between forward neutral and reverse by pushing or pulling the shift lever TO REMOVE TRANSAXLE FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Lift the rear of the machine until the drive wheels are off the floor 2 Place blocks under the machine frame 3 Remove the rear cover from the drive belt 4 Slip t...

Страница 32: ...p to the drive wheels 6 Pull the hub cap and drive wheel off each side of the machine 7 Remove the hex screw sleeve and nut holding the left side of the brush shaft to the left side of the brush arm 8 Remove the two hex screws holding the shift cable mount clamp to the machine frame ...

Страница 33: ...ansaxle 10 Remove the two hex screws holding the brush arm retaining plate to the left side of the machine frame Remove the retaining plate 11 Spread the left handle leg out far enough to drop it down past the end of the left axle shaft 12 Remove the left brush arm and wear ring from the machine frame ...

Страница 34: ...ve the five hex screws holding the transaxle to the machine frame 14 First drop the transaxle down out of the left side of the machine then pull it out of the right handle opening and right side brush arm Remove the transaxle from the machine ...

Страница 35: ...ough the right handle opening and right brush arm then bring the left side of the transaxle up to the left side of the machine frame Reinstall the wear ring 2 Install the five hex screws that hold the transaxle to the bottom of the machine frame Tighten to 7 6 9 9 Nm 6 8 ft lb NOTE Install 3 flat washers under the transaxle where the 30mm hex screw goes 3 Position the wear ring and left brush arm ...

Страница 36: ...ning plate on the machine Tighten the hex screws to 7 6 9 9 Nm 6 8 ft lb 6 Reinstall the hex screw sheave and nut holding the left side of the brush shaft to the left brush arm Tighten the hex screws to 7 6 9 9 Nm 6 8 ft lb NOTE The slot in the brush arm is used to adjust the taper of the main brush pattern 7 Reinstall the shift cable on the ball end on the shift lever ...

Страница 37: ... 11 Reinstall the rear drive wheels and hub caps Tighten the flat head screw to 7 6 9 9 Nm 6 8 ft lb NOTE Place machine in Neutral and rotate axle until cross pin is horizontal Put machine in Park Install hub wheel assembly 12 Remove the blocks and lower the machine Check for proper operation of the shifter and transaxle Also check the main brush pattern and adjust if tapered See TO CHECK AND ADJU...

Страница 38: ...TRANSAXLE BREAKDOWN CHASSIS 2 22 3640G LP 330585 5 00 ...

Страница 39: ...fore Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the cover and engage the prop rod 2 Remove the rear cover from the drive belt at the transaxle sheave 3 Loosen the vacuum fan pivot bolt and remove the vacuum fan belt from the engine sheave ...

Страница 40: ...e belt 5 Slip the drive belt off the engine sheave Remove the drive belt 6 Install the new drive belt on the engine sheave 7 Install the new drive belt on the transaxle sheave NOTE Make sure the new belt is over the clutch idler pulley 8 Adjust the belt stop so it just clears the flat belt when it is tight This to stop the belt from moving when the machine is in neutral ...

Страница 41: ...tight Check belt tension by applying a force 1 kg 2 lb at belt midpoint The proper deflection should be 5 mm 0 09 in Tighten the tension bolt to 18 24 Nm 15 20 ft lb 11 Reinstall the rear belt cover on the machine 12 Start the machine and operate the clutch bar Check for proper engagement of the new belt and smooth operation ...

Страница 42: ...fore Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the filter cover from the rear of the machine 2 Remove the handle stop bracket from the upper left side of the filter compartment 3 Pull up on the two handle locks and move the handle assembly to its lowest position ...

Страница 43: ... machine 5 Open the engine cover and engage the prop rod 6 Go to the area below the vacuum fan and locate the tension spring leading from the idler pulley arm to the end of the drive belt idler cable Disconnect the spring from the cable 7 Loosen the two jam nuts on the cable where it mounts to the bracket near the shaker motor Slip the cable out of the mount slot ...

Страница 44: ...area and locate the end of the drive belt idler cable Remove the cotter pin and clevis pin from the end of the clutch cable 10 Remove the nut holding the clutch cable clamp to the cable lever mount plate Note the position of the clamp and cable 11 Remove the cable from the machine by pulling it toward the vacuum fan ...

Страница 45: ...machine Use the finger hole in the front left corner to guide the cable Then feed the cable up the left side arm to the clutch bar 13 Position the cable into the mount bracket slot near the shaker motor Tighten the two jam nuts 14 Connect the tension spring from the idler arm to the end of the new drive belt idler cable 15 Reinstall the cable in the clamp on the vacuum fan housing ...

Страница 46: ...e handle area Tighten to 7 6 9 9 Nm 6 8 ft lb 17 Reinstall the clevis pin and cotter pin in the end of the new cable and clutch bar 18 Reinstall the left side cover plate Tighten the three hex screws to 18 24 Nm 15 20 ft lb 19 Move the handle assembly up to one of the four adjustment holes ...

Страница 47: ... rear of the machine 22 Close the engine cover 23 Start the machine and check the clutch bar for proper engagement If the new cable needs to be adjusted open the engine cover and loosen the two idler cable jam nuts Move the cable or cable bracket up or down and re tighten the jam nuts Close the cover and re check ...

Страница 48: ...ervicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Slip the drive belt off the transaxle sheave and idler pulley 3 Remove the hex screw and nut holding the idler pulley to the idler arm Remove the idler pulley Retain the spring mount bracket ...

Страница 49: ...er arm Make sure to reinstall the spring mount bracket Tighten the hex screw and nut to 7 6 9 9 Nm 6 8 ft lb 5 Slip the drive belt back over the transaxle sheave and the new idler pulley 6 Lower the engine cover and operate the machine Check the new idler for proper operation ...

Страница 50: ...CHASSIS 2 34 3640G LP 330585 5 00 ...

Страница 51: ... TO REPLACE STAINLESS STEEL BRUSH ARM WEAR RINGS 3 35 TO REMOVE MAIN BRUSH SHAFT 3 39 TO INSTALL MAIN BRUSH SHAFT 3 41 SIDE BRUSH 3 42 TO REPLACE LH OR RH SIDE BRUSH 3 42 TO REPLACE SIDE BRUSH LIFT CABLE 3 44 TO REPLACE SIDE BRUSH HOUSING 3 50 Page SKIRTS AND SEALS 3 54 HOPPER LIP SKIRT 3 54 TO REPLACE HOPPER LIP SKIRT 3 54 REAR SKIRT 3 56 TO REPLACE REAR SKIRT RECIRCULATION FLAP 3 56 UPPER HOPPER...

Страница 52: ...SWEEPING 3 2 3640G LP 330585 5 00 ...

Страница 53: ...UCTION This section includes information on the sweeping operation The side brush sweeps debris in front of the machine and the main brush sweeps the debris into the hopper The vacuum fan pulls air from the hopper and through the dust filter ...

Страница 54: ...achine TO REMOVE DEBRIS HOPPER FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Go to the front of the machine and grasp the molded handle 2 Lift on the handle and pull the hopper slightly up and forward 3 Use your other hand to lift the front of the hopper 4 Lift the hopper up and out of the machine frame ...

Страница 55: ...n Level Surface Place Shifter In Park 1 Position the hopper in the machine with the open end facing the main brush 2 Let the hopper rest on the machine front frame rails 3 Push the hopper back until the two frame knobs are lined up with the two indentations in the hopper The hopper is now in its correct position ...

Страница 56: ...ssist handle Place one foot on the hopper s pivot point Lift the hooper out of the machine and onto the wheels Transport the hopper to the location where debris is collected NOTE Do not attempt to lift the hopper when it is full of debris without assistance Dump the debris from the hopper into a pile on the floor near a trash can or dumpster then pick the debris up with a shovel ...

Страница 57: ...mo Sentryt can be reset by pressing the red button on the end TO REPLACE THERMO SENTRYt FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the cover and engage the prop rod 2 Locate the Thermo Sentryton the back wall just above the filter shaker motor 3 Disconnect the wire from the terminals on the Thermo Sentryt ...

Страница 58: ...hardware and lightly hand tighten 6 Reconnect the wires to the Thermo Sentryt See schematic in the ELECTRICAL section 7 Close the cover VACUUM WAND The vacuum wand uses the machine s vacuum system Use the vacuum wand to pick up debris in narrow or partially enclosed areas that cannot be swept by the machine NOTE The vacuum hose screws into the vacuum nozzle left hand thread Un screw to replace the...

Страница 59: ...the rear cover The standard filter is a bag style that is simply removed and discarded when full The optional filter is a panel style that can be cleaned and re used multiple times The optional filter also comes with a filter shaker system that can be used to shake the filter between cleanings Bag filter Panel filter ...

Страница 60: ...Park 1 Go to the rear of the machine and un snap the two filter cover clamps Pull the vacuum wand out of the mount hole and hang it over the steering handle 2 Let the filter cover pivot down until it stops NOTE Remove the filter cover to empty any dirt that has collected 3 Pull the filter bag off the 90_ air horn Remove the filter bag from the machine ...

Страница 61: ... of the 90_ air horn 5 Pivot the filter cover into position Make sure the upper portion of the vacuum wand hose is in the proper location 6 Reconnect the two filter clamps and snap them into the lock position Reinstall the vacuum wand in the mount hole 7 Start the machine and check the hopper filter area for any air leaks ...

Страница 62: ...ce Place Shifter In Park 1 Go to the rear of the machine and un snap the two filter cover clamps Pull the vacuum wand out of the mount hole and hang it over the steering handle 2 Let the filter cover pivot down until it stops NOTE Remove the filter cover to empty any dirt that has collected 3 Un snap the catch lock on the filter lock bars ...

Страница 63: ...r Make sure the air flow arrows point in toward the engine compartment 7 Pivot the filter lock bars over the new filter and reconnect the catch lock 8 Rotate the filter cover back into place Make sure the upper portion of the vacuum wand hose is in the proper location 9 Reconnect the two filter clamps and snap them into the lock position Reinstall the vacuum wand in the mount hole 10 Start the mac...

Страница 64: ...he bristles TO REPLACE MAIN BRUSH FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the debris hopper from the machine and drop the main brush to the full float position 2 Go to the left side of the machine and locate the main brush idler side knob pin This pin is located in the brush arm just ahead of the LH drive wheel ...

Страница 65: ...Remove the main brush from the machine by pulling the left side of the brush forward then pull the brush off the drive plug on the right side 5 After the main brush has been removed from the machine remove the bearing assembly from the idler side end of the brush 6 Install the bearing assembly in either end of the new brush ...

Страница 66: ...rm Push the pin in until the two ribs on the pin line up with the two slots in the brush arm NOTE You may have to move the free end of the main brush around to help line up the pin and bearing 9 Push the pin in and turn it until it locks in position A detent type lock should be felt 10 Reinstall the debris hopper and operate the machine Check the taper of the main brush and adjust if needed See TO...

Страница 67: ...the machine Move the machine off the test area 4 Check the pattern the main brush left on the floor The brush pattern should be even all the way across If the pattern is even no adjustment is needed If the brush pattern has any taper go to the next step 5 Go to the back of the machine and locate the left hand brush arm Loosen the hex screw and nut holding the left brush arm to the brush shaft Move...

Страница 68: ...1 Remove the filter cover from the rear of the machine Remove the handle stop bracket from the upper left side of the filter compartment 2 Pull up on the two handle locks and move the handle assembly to its lowest position 3 Remove the three hex screws holding the cover plate to the inside of the right side handle tower Remove the cover plate from the machine ...

Страница 69: ...the cotter pin and clevis pin from the end of the main brush lift cable where it attaches to the main brush lift lever 6 Remove the nut from the clamp holding the main brush cable to the mount plate 7 Open the engine cover and locate the end of the main brush lift cable where it attaches to the mount bracket below the vacuum fan Remove the cotter pin and clevis pin from the lift cable and brush li...

Страница 70: ... of the machine from the lower end by the vacuum fan 11 Route the new lift cable through the hole in the front center of the frame Push the cable toward the front right corner Next reach into the corner finger hole to guide the cable to the rear of the machine frame and up into the side arm and the lift handle NOTE Add a cable tie around the new main brush lift cable and the existing side brush li...

Страница 71: ...ition and orientation 13 Position the new cable in the lower mount slot and tighten the jam nuts 14 Install the clevis pin and cotter pin in the end of the new cable where it attaches to the main brush lift arm 15 Go up to the main brush lift lever and install the nut on the main brush lift cable mount clamp Tighten the nut to 7 6 9 9 Nm 6 8 ft lb ...

Страница 72: ...e new cable where it attaches to the main brush lift lever 17 Reinstall the pivot plate assembly and clutch bar pivot 18 Reinstall the right side handle assembly cover plate Tighten the three hex screws to 18 24 Nm 15 20 ft lb 19 Move the handle assembly up to one of the four adjustment holes ...

Страница 73: ...le stop bracket 21 Start the machine and check the main brush lift cable for proper operation If the main brush cable needs to be adjusted loosen the two jam nuts at the lower mount bracket move the cable forward or backward and re tighten the jam nuts 22 Close the engine cover ...

Страница 74: ... Place Shifter In Park 1 Remove the main brush See TO REPLACE MAIN BRUSH instructions 2 Raise the right side of the machine and install a block under the frame 3 Remove the flat head screw holding the hub cap and drive wheel to the axle Pull the tire and wheel assembly off the drive axle Be careful not to loose pin from axle cross hole ...

Страница 75: ... and tension on the brush belt will be released NOTE The pressure on the belt tensioner must be released before the drive belt can be replaced 6 Remove the old brush belt from the engine sheave belt tensioner sheaves and main brush drive plug sheave Remove the drive belt from the machine 7 Position the new drive belt in the machine First loop it over the engine sheave then over the main brush driv...

Страница 76: ...nstall the belt drive plate 10 Reinstall the right side drive wheel and hub cap Tighten the flat screw to 7 6 9 9 Nm 6 8 ft lb NOTE Place machine in Neutral then rotate axle until cross pin is horizontal Put machine in Park and install hub wheel assembly 11 Install the main brush See TO REPLACE MAIN BRUSH instructions Lower the machine and operate the main brush Check for proper operation ...

Страница 77: ... Surface Place Shifter In Park 1 Remove the main brush See TO REPLACE MAIN BRUSH instructions 2 Raise the right side of the machine and install a block under the frame 3 Remove the flat head screw holding the hub cap and drive wheel to the axle Pull the tire and wheel assembly off the drive axle Be careful not to loose pin from axle cross hole ...

Страница 78: ...ift lever in the up position The screw driver will hold the idler from moving and tension on the brush belt will be released NOTE The pressure on the belt tensioner must be released before the drive belt can be replaced 6 Remove the old brush belt from the engine sheave belt tensioner sheaves and main brush drive plug sheave 7 Remove the hex nut or hex screw holding the idler pulley to the idler a...

Страница 79: ...l the correct idler pulley grooved or smooth 9 Reinstall the main brush drive belt 10 Place the main brush lift lever in the down position 11 Remove the screw driver from the brush arm Place the main brush lift lever in the up position Reinstall the belt drive plate Engine motor sheave Main brush drive sheave Idler pulleys Front of machine Flat belt ...

Страница 80: ...lat screw to 7 6 9 9 Nm 6 8 ft lb NOTE Place machine in Neutral then rotate axle until cross pin is horizontal Put machine in Park and install hub wheel assembly 13 Install the main brush See TO REPLACE MAIN BRUSH instructions 14 Lower the machine and operate the main brush Check for proper operation ...

Страница 81: ...e Place Shifter In Park 1 Remove the main brush See TO REPLACE MAIN BRUSH instructions 2 Raise the right side of the machine and install a block under the frame 3 Remove the flat head screw holding the hub cap and drive wheel to the axle Pull the tire and wheel assembly off the drive axle Be careful not to loose pin from axle cross hole ...

Страница 82: ... brush lift lever in the up position The screw driver will hold the idler from moving and tension on the brush belt will be released NOTE The pressure on the belt tensioner must be released before the drive belt can be replaced 6 Remove the brush belt from the engine sheave belt tensioner sheaves and main brush drive plug sheave 7 Remove the screw holding the brush drive plug to the pulley shaft R...

Страница 83: ...9 Press the new sheave and shaft into the brush arm 10 Reinstall the square key and drive plug on the shaft Reinstall the screw and tighten to 7 6 9 9 Nm 6 8 ft lb 11 Reinstall the main brush drive belt Engine motor sheave Main brush drive sheave Idler pulleys Front of machine Flat belt ...

Страница 84: ...stall the belt drive plate 14 Reinstall the right side drive wheel and hub cap Tighten the flat screw to 7 6 9 9 Nm 6 8 ft lb NOTE Place machine in Neutral then rotate axle until cross pin is horizontal Put machine in Park and install hub wheel assembly 15 Install the main brush See TO REPLACE MAIN BRUSH instructions 16 Lower the machine and operate the main brush Check for proper operation ...

Страница 85: ... Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the main brush See TO REPLACE MAIN BRUSH instructions 2 Remove both rear tires See TO REMOVE REAR TIRE instructions in the CHASSIS section 3 Remove the hex screw sleeve and nut holding the brush shaft to both brush arms ...

Страница 86: ... the wear ring is loose use RTV sealant between the ring and the frame Reinstall the left brush arm 7 RH BRUSH ARM Place a screw driver in the 1 4 in hole in the brush arm behind the idler arm Place the main brush lift lever in the up position The screw driver will hold the idler from moving and tension on the brush belt will be released Remove the main brush drive belt from the idler pulleys Remo...

Страница 87: ...osition 10 Remove the screw driver from the RH brush arm Place the main brush lift lever in the up position Reinstall the belt drive plate 11 Spread the handle legs out far enough to reinstall them up past the end of the transaxle shafts Engine motor sheave Main brush drive sheave Idler pulleys Front of machine Flat belt ...

Страница 88: ...aps Tighten the flat screw to 7 6 9 9 Nm 6 8 ft lb NOTE Place machine in Neutral then rotate axle until cross pin is horizontal Put machine in Park and install hub wheel assembly 14 Install the main brush See TO REPLACE MAIN BRUSH instructions 15 Lower the machine and operate the main brush Check for proper operation ...

Страница 89: ...ing Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Lower the main brush to the float position 2 Go to the back of the machine and locate the brush shaft running between the left and right brush arms 3 Remove the tension spring from the right side of the brush shaft ...

Страница 90: ...585 5 00 4 Remove the two hex screws sleeves and nuts holding the brush shaft to the brush arms 5 Remove the two hex screws sleeves and nuts holding the brush shaft to the upper pivot bar Remove the brush shaft from the machine ...

Страница 91: ...to 18 24Nm 15 20 ft lb 2 Line up the lower holes in the brush shaft with the holes in the rear of both brush arms Install the two hex screws sleeves and nuts Tighten to 18 24Nm 15 20 ft lb 3 Reconnect the tension spring to the right side of the brush shaft and machine frame 4 Start the machine and check the main brush pattern See TO CHECK AND ADJUST MAIN BRUSH PATTERN instructions 5 Raise and lowe...

Страница 92: ...n with an electric motor TO REPLACE LH OR RH SIDE BRUSH FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Make sure the side brush lever is in the raised position 2 Go under the side brush and locate the hair pin clip on the bottom of the side brush motor shaft Pull the pin out NOTE Some early models have two spacer washers under the hairpin ...

Страница 93: ...he front of the machine in the area of the side brush motor 5 Lift the side brush up and onto the side brush motor shaft Make sure the slots in the top of the side brush line up with the pin on the side brush motor shaft 6 Reinstall the hair pin clip in the bottom of the side brush motor shaft 7 Start the machine and check the side brush for proper operation ...

Страница 94: ...1 Remove the filter cover from the rear of the machine Remove the handle stop bracket from the upper left side of the filter compartment 2 Pull up on the two handle locks and move the handle assembly to its lowest position 3 Remove the three hex screws holding the cover plate to the inside of the right side handle tower Remove the cover plate from the machine ...

Страница 95: ...te and handle assembly to be pulled away from the plastic arm for easy access 5 Remove the cotter pin and clevis pin from the end of the side brush lift cable where it attaches to the side brush lift lever 6 Remove the nut from the clamp holding the side brush cable to the mount plate 7 Remove the debris hopper from the machine ...

Страница 96: ...olding the side brush lift cable lower mount bracket to the machine frame Pull the mount bracket out of the hole in the frame Pull the side brush cable out of mount slot 10 Remove the two hex screws holding the side brush lift cable spring assembly to the right side of the machine frame out near the right side brush 11 Pull the spring and cable assembly out of the machine frame ...

Страница 97: ... hole in the main frame and down to the right side of the frame Next reach in the frame hole and grab the cable NOTE Add a cable tie around the new side brush cable and the existing stiff main brush lift cable This will prevent the new side brush lift cable from drooping down and rubbing on the brush drive pulley 14 Reconnect the cable to the side brush spring assembly Reinstall the spring assembl...

Страница 98: ... the two hex screws to 8 24Nm 15 20 ft lb 16 Go up to the main brush lift lever and install the nut on the main brush lift cable mount clamp Tighten the nut to 7 6 9 9 Nm 6 8 ft lb 17 Install the clevis pin and cotter pin in the end of the new cable where it attaches to the side brush lift lever 18 Position the brush lift lever assembly back onto the right handle arm ...

Страница 99: ...plate Tighten the three hex screws to 18 24 Nm 15 20 ft lb 20 Move the handle assembly up to one of the four adjustment holes 21 Reinstall the filter cover and the handle stop bracket 22 Start the machine and check the side brush lift cable for proper operation 23 Close the engine cover ...

Страница 100: ... Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER instructions 2 Lower the side brush s 3 Remove the side brush es See TO REPLACE LH OR RH SIDE BRUSH instructions in the SWEEPING section 4 Un plug the side brush motor s from the main electrical harness ...

Страница 101: ...h motor s and gear box s to the side brush housing 6 Remove the side brush motor s and gear box s from the machine 7 Remove the two screws holding the side brush lift cable assembly to the side brush housing 8 Remove the hex screw and sleeve from the left side of the side brush housing ...

Страница 102: ... for now 11 Go the right side arm of the housing and position the tension spring in the opening where the sleeve is inserted Once the spring is positioned correctly place the sleeve through the arm holes and the center of the tension spring Bring that end up carefully making sure the spring is pulled back and one end placed down the main machine frame Line up the hole in the sleeve with the thread...

Страница 103: ...nt holes in the side brush motor 14 Reinstall the hex screws and tighten to 7 6 9 9 Nm 6 8 ft lb 15 Reconnect the side brush motor s to the main harness See schematic in the ELECTRICAL section 16 Reinstall the side brush es See TO REPLACE LH OR RH SIDE BRUSH instructions in the SWEEPING section 17 Operate the machine and check the side brush for proper operation ...

Страница 104: ...The hopper lip skirt deflects debris from the main brush and into the hopper It allows debris to pass under the hopper and into the rotating main brush Inspect the hopper lip skirt every time the hopper is dumped TO REPLACE HOPPER LIP SKIRT FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER ins...

Страница 105: ...e skirt and retainer from the machine Discard the skirt 5 Position the new skirt and existing retainer on the hopper Reinstall the hardware and tighten to 7 6 9 9 Nm 6 8 ft lb 6 Reinstall the debris hopper See TO INSTALL DEBRIS HOPPER instructions ...

Страница 106: ...rear skirt should be adjusted slightly off the ground to allow air flow and avoid any dusting problems TO REPLACE REAR SKIRT RECIRCULATION FLAP FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER instructions 2 Remove the main brush See TO REPLACE MAIN BRUSH instructions ...

Страница 107: ...recirculation flap on the machine Lift the rear skirt recirculation flap and install the five bolt plates through the rear skirt recirculation flap and the machine frame Install the five nuts and lightly tighten 6 Reinstall the main brush See TO REPLACE MAIN BRUSH instructions 7 Reinstall the hopper in the machine See TO INSTALL DEBRIS HOPPER instructions 8 Operate the machine and check for proper...

Страница 108: ... debris from being expelled outside the brush compartment area TO REPLACE UPPER HOPPER SEAL FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER instructions 2 Lift the upper hopper seal up slightly and locate the plastic rivets holding the seal to the machine ...

Страница 109: ...seal from the machine 5 Position the new upper hopper seal on the machine Line up the holes in the seal with the mount holes in the machine frame 6 Install the plastic rivets in the mount holes Start by placing the body of the rivet in the hole first then screw the center pin into the body until it snaps in place 7 Reinstall the hopper in the machine See TO INSTALL DEBRIS HOPPER instructions ...

Страница 110: ...rush to the sides of the brush compartment TO REPLACE LEFT BRUSH SEAL idler side FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER instructions 2 Remove the main brush See TO REPLACE MAIN BRUSH instructions ...

Страница 111: ...rivet Lift the body of the rivet out of the hole Repeat on all of the rivets 4 Remove the old seal from the machine 5 Install the new left dust seal on the machine Line up the holes in the new seal with the mount holes in the machine frame 6 Install the seven plastic rivets in the mount holes Start by placing the body of the rivet in the hole first then push the center pin into the body until it s...

Страница 112: ...SWEEPING 3 62 3640G LP 330585 5 00 7 Reinstall the main brush See TO REPLACE MAIN BRUSH instructions 8 Reinstall the hopper in the machine See TO INSTALL DEBRIS HOPPER instructions ...

Страница 113: ...r Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the hopper from the machine See TO REMOVE DEBRIS HOPPER instructions 2 Remove the main brush See TO REPLACE MAIN BRUSH instructions 3 Remove the hex screw holding the main brush drive plug to the shaft Pull the drive plug off the shaft ...

Страница 114: ... of the rivet out of the hole Repeat this on all rivets 6 Remove the old seal from the machine 7 Remove the small cap retainer holding the inside plate to the right seal Remove the inside plate and install it on the new right seal in the same orientation Reinstall the small cap retainer 8 Install the new right dust seal and plate assembly on the machine Line up the holes in the new seal with the m...

Страница 115: ... the center pin into the body until it snaps in place 10 Reinstall the main brush drive plug on the shaft Make sure the key is in place on the shaft Reinstall the hex screw and tighten to 7 6 9 9 Nm 6 8 ft lb 11 Reinstall the main brush See TO REPLACE MAIN BRUSH instructions 12 Reinstall the hopper in the machine See TO INSTALL DEBRIS HOPPER instructions ...

Страница 116: ...d after it becomes full The panel filter optional can be cleaned with the filter shaker or can be removed and cleaned outside of the machine TO REMOVE VACUUM FAN ASSEMBLY FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover 2 Remove the air duct running from the top of the vacuum fan to the front wall of the dust filter ...

Страница 117: ... the tension bolt and slotted bracket on the side of vacuum fan opposite the V belt pulley Remove the tension bolt 5 Let the vacuum fan drop down Remove the V belt from the pulley on the fan 6 Remove the hex screw and nut holding the vacuum fan assembly to the pivot mount bracket Remove the vacuum fan from the machine ...

Страница 118: ...fter In Park 1 Open the engine cover 2 Position the vacuum fan assembly in the machine Line up the mount hole in the pivot bracket with the pivot mount on the fan housing Install the hex screw and nut Tighten so the vacuum fan can pivot freely for belt tensioning 3 Install the bolt in the tension slot and vacuum fan housing Leave loose for now ...

Страница 119: ...the vacuum fan assembly until the V belt is tight Tighten the tension bolt to 18 24 Nm 15 20 ft lb See TO TENSION VACUUM FAN V BELT 6 Reinstall the clamp and cable on the top of the vacuum fan housing 7 Reinstall the air duct running from the top of the vacuum fan to the front wall of the dust filter ...

Страница 120: ...SWEEPING 3 70 3640G LP 330585 5 00 8 Close the engine cover 9 Start the machine and check the vacuum fan for proper operation ...

Страница 121: ...rface Place Shifter In Park 1 Remove the vacuum fan assembly from the machine See TO REMOVE VACUUM FAN ASSEMBLY instructions 2 Remove the smaller hex screws holding the vacuum fan housing to the bearing backing plate Pull the housing off the backing plate 3 Hold the impeller from turning Remove the hex nut from the impeller shaft ...

Страница 122: ...r on the impeller shaft Make sure the key is in place on the shaft 6 Hold the impeller from turning Install the hex nut on the impeller shaft Tighten to 18 24Nm 15 20 ft lb 7 Reinstall the vacuum fan housing on the bearing backing plate Hand tighten the smaller hex screws 8 Reinstall the vacuum fan assembly in the machine See TO INSTALL VACUUM FAN ASSEMBLY instructions 9 Start the machine and chec...

Страница 123: ...l Surface Place Shifter In Park 1 Remove the vacuum fan assembly from the machine See TO REMOVE VACUUM FAN ASSEMBLY instructions 2 Remove the smaller hex screws holding the vacuum fan housing to the bearing backing plate Pull the housing off the backing plate 3 Hold the impeller from turning Remove the hex nut from the impeller shaft ...

Страница 124: ...e bearing and pulley assembly to the backing plate Remove the bearing assembly 6 Loosen the set screws on the impeller belt pulley Slide the pulley off the impeller shaft NOTE Make sure to mark the location of the pulley on the impeller shaft for proper re assembly 7 Use a press to remove the impeller shaft and inner bearing from the bearing housing Press the bearing and shaft in the direction of ...

Страница 125: ... impeller shaft into the new bearing Note the impeller side of the shaft must be on the flange side of the bearing housing 11 Press the second bearing into the housing over the impeller shaft Press the bearing in until the snap ring contacts the housing 12 Reinstall the bearing assembly on the backing plate Reinstall the hardware and tighten to 7 6 9 9 Nm 6 8 ft lb ...

Страница 126: ...r on the impeller shaft Make sure the key is in place on the shaft 15 Hold the impeller from turning Install the hex nut on the impeller shaft Tighten to 18 24Nm 15 20 ft lb 16 Reinstall the vacuum fan housing on the bearing backing plate Hand tighten the smaller hex screws 17 Reinstall the vacuum fan assembly in the machine See TO INSTALL VACUUM FAN ASSEMBLY instructions 18 Start the machine and ...

Страница 127: ... the engine cover 2 Locate the tension bolt and slotted bracket on the side of vacuum fan opposite the V belt pulley Loosen the tension bolt 3 Pull up on the vacuum fan assembly until the V belt is tight Check belt tension by applying a force 1 kg 2 lb at belt midpoint The proper deflection should be 5 mm 0 09 in Tighten the tension bolt to 18 24 Nm 15 20 ft lb ...

Страница 128: ...SWEEPING 3 78 3640G LP 330585 5 00 4 Close the engine cover 5 Start the machine and check the vacuum fan for proper operation ...

Страница 129: ... personnel Main brush not touching carpet Adjust main brush down pressure Debris caught in main brush drive mechanism Remove debris from drive mechanism Main brush drive failure Contact Tennant service Side brush drive failure Contact Tennant service Hopper full Empty hopper Hopper brush skirts worn or damaged Replace skirts Wrong sweeping brush Use yellow black brush w 75 mm 3 in dia tube for flo...

Страница 130: ...SWEEPING 3 80 3640G LP 330585 5 00 ...

Страница 131: ...RMETER 4 10 FILTER SHAKER MOTOR SWITCH 4 10 IGNITION KEY SWITCH 4 10 ELECTRIC MOTORS 4 11 ELECTRIC MOTOR AMP DRAW CHART 4 11 TO REPLACE FILTER SHAKER MOTOR OPTION 4 11 TO REPLACE SIDE BRUSH MOTOR 4 14 TO REPLACE SIDE BRUSH SWITCH 4 17 TO REPLACE RELAY 4 21 ELECTRICAL SCHEMATIC GAS 4 23 ELECTRICAL SCHEMATIC LPG 4 24 WIRE HARNESS GAS LP 4 25 TROUBLESHOOTING 4 26 ENGINE WILL NOT START 4 27 FILTER SHA...

Страница 132: ...ELECTRICAL 4 2 3640G LP 330585 5 00 ...

Страница 133: ...ELECTRICAL 4 3 3640G LP 330585 5 00 INTRODUCTION This section includes information on machine electrical components such as relays circuit breakers switches and wiring harness ...

Страница 134: ...ompartment on the left side of the engine TO CHARGE BATTERY FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery 3 Connect the positive cable red from the charger to the positive terminal on the battery 4 Connect the negative cable black from the charger to the neg...

Страница 135: ...R SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery 3 Remove the battery hold down strap from the battery Remove the battery ...

Страница 136: ...ELECTRICAL 4 6 3640G LP 330585 5 00 4 Install the new battery in the machine 5 Install the battery hold down strap 6 Reconnect the battery cables ...

Страница 137: ...device designed to stop the flow of current in the event of a circuit overload If the circuit breaker is tripped reset it manually by pressing the reset button after the breaker has cooled down If the overload that caused the circuit breaker to trip is still present the circuit breaker will continue to stop current flow until the problem is corrected The circuit breaker Is located on the instrumen...

Страница 138: ...ER FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Locate the circuit breaker that needs to be changed 3 Disconnect the wires leading to the back of the circuit breaker ...

Страница 139: ...e correct 15 amp rating in the mount hole Install the lock ring NOTE The mount hole in the engine cover is D shaped Make sure to install the circuit breaker in the correct orientation 6 Reconnect the wires to the back of the new circuit breaker See schematic in this section 7 Close the engine cover Start the machine and check the new circuit breaker for proper operation ...

Страница 140: ...e his information as a guide as to when to perform routine maintenance FILTER SHAKER MOTOR SWITCH IGNITION KEY SWITCH The ignition switch starts and stops the engine using a key Start Turn the engine key clockwise as far as it will go Release the key as soon as the engine starts Stop Turn the engine key counterclockwise ...

Страница 141: ...5 in ELECTRIC MOTOR AMP DRAW CHART F SIDE BRUSH MOTOR NO LOAD APPROX 3 DC AMPS F SIDE BRUSH MOTOR FREE FLOAT ON URETHANED CONCRETE APPROX 4 DC AMPS TO REPLACE FILTER SHAKER MOTOR OPTION FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery ...

Страница 142: ...lug leading to the shaker motor 5 Remove the hex screws holding the shaker motor mount bracket to the frame bracket Remove the shaker motor from the machine 6 Loosen the two set screw holding the weight to the motor shaft Slide the weight off and install it on the new motor in the same orientation Firmly tighten the set screws ...

Страница 143: ...ame bracket and install the mount bracket Tighten the hex screws to 18 24 Nm 15 20 ft lb 8 Plug the new shaker motor into the main electrical harness See schematic in this section 9 Reconnect the battery cables 10 Close the engine cover Start the machine and check the new shaker motor for proper operation ...

Страница 144: ... Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery 3 Remove the RH side brush See TO REPLACE LH OR RH SIDE BRUSH instructions in the SWEEPING section ...

Страница 145: ...5 Remove the four hex screws holding the side brush motor and gear box to the machine frame 6 Remove the side brush motor and gear box from the machine 7 Position the new side brush motor and gear box in the machine Line up the mount holes in the machine frame with the mount holes in the side brush motor ...

Страница 146: ...the RH side brush motor to the main harness See schematic in the ELECTRICAL section 10 Reinstall the side brush See TO REPLACE LH OR RH SIDE BRUSH instructions in the SWEEPING section 11 Reconnect the battery cables 12 Close the engine cover Start the machine and check the new RH side brush motor for proper operation ...

Страница 147: ...g Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Remove the filter cover from the rear of the machine 2 Remove the handle stop bracket from the upper left side of the filter compartment 3 Pull up on the two handle locks and move the handle assembly to its lowest position ...

Страница 148: ...ower Remove the cover plate from the machine 5 Remove the hardware and pull the brush handle mount plate away from the right plastic handle 6 Mark and disconnect the wires leading to the side brush switch 7 Remove the two screws and nuts holding the switch to the brush handle mount plate Remove the side brush switch from the machine ...

Страница 149: ...stall the two screws and nuts Hand tighten lightly 9 Reconnect the wires to the new side brush switch See schematic in this section 10 Position the brush handle mount plate against the right plastic handle Reinstall the hardware 11 Reinstall the right side handle assembly cover plate Tighten the three flat screws to 18 24 Nm 15 20 ft lb ...

Страница 150: ...ove the handle assembly up to one of the four adjustment holes 13 Reinstall the filter cover 14 Reinstall the handle stop bracket 15 Start the machine and check the side brush for proper operation when the handle is placed in the down position ...

Страница 151: ...LAY FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery 3 Locate the relay block on the back wall behind the engine ...

Страница 152: ...all screw driver to pry the relay out of the terminals 5 Install the new relay in the relay block Note the direction of the terminals on the relay for proper installation Push the relay in all the way 6 Reconnect the battery cables 7 Close the engine cover Start the machine and check the new relay for proper operation ...

Страница 153: ...ELECTRICAL 4 23 3640G LP 330585 5 00 350890 ELECTRICAL SCHEMATIC GAS ...

Страница 154: ...S AC AT 2400 RPM 17 YEL 9B BRN 9B BRN CHARGE LAMP D1 ALTERNATOR 2B BRN 11B BRN 14 BLU 4F YEL M3 4C YEL 2 BRN LOW OIL LEVEL SENSOR CONNECT WIRES 5A GRN AND 09 BRN FOR LP FUELED MACHINES ONLY CONTROL UNIT OUTPUT FROM VOLTAGE REGULATOR IS 9 6 AMPS 13 5 VOLTS DC AT 2400 RPM YEL RED 4A YEL M2 86 85 85 86 S2 S3 S1 4C YEL 4B YEL X INDICATES A CLOSED CONTACT 4F YEL MOTOR 2A BRN 3 ORN 3A ORA RED THERMAL SE...

Страница 155: ... VIEW D D 2 7A D D E E 13E 13K 13H 13G 13G 13F 13F 13E 13E 13D 13D 13D 13C 13C 6 VIEW N N N N DETAIL K K K K DETAIL G G G G VIEW F F F F 13B 13B 13A 13A 11C STARTER SOLENOID 11B 11A ENGINE GROUND 9B 9A 9 9 1A 14A 14A 14 12 3A 6 6 6 2A 2 6 VOLTAGE REGULATOR LOW OIL LEVEL SENSOR 10 5A ALTERNATOR 2A 4E 4E4D 4D4C 4C 4F 4F 4B 4B 4A 6 1A CIRCUIT BREAKER 8 ALTERNATOR CHARGE LIGHT LOW OIL LIGHT HOURMETER ...

Страница 156: ...G LP 330585 5 00 TROUBLESHOOTING The troubleshooting flow charts that follow are organized so they lead you through the circuits They include flow charts and instructions for you as to where to insert your test instruments ...

Страница 157: ...OLTAGE REPLACE THE KEY SWITCH BATTERY VOLTAGE CHECK FOR BATTERY VOLTAGE ON THE WIRE BETWEEN THE STARTER SOLENOID AND THE STARTER MOTOR WITH ANY 13 BLK WIRE WHILE THE KEY SWITCH IS IN THE START POSITION 0 VOLTAGE BATTERY VOLTAGE REPAIR OR REPLACE THE STARTER MOTOR DISCONNECT THE BLACK WIRE FROM THE LOW OIL SENSOR AND TRY STARTING THE ENGINE AGAIN DOES IT START NOW YES PROBLEM SOLVED DISCONNECT THE ...

Страница 158: ...LTAGE BETWEEN ANY 2 BRN AND ANY 13 BLK DOES THE FILTER SHAKER MOTOR RUN FOR 15 SECONDS AFTER THE SHAKER MOTOR SWITCH IS PRESSED WHEN THE KEY SWITCH IS IN THE OFF POSITION NO YES NO YES IS THE KEY SWITCH IN THE OFF POSITION TURN THE KEY SWITCH TO THE OFF POSITION DOES THE FILTER SHAKER WORK NOW SHAKER OK DOES THE FILTER SHAKER MOTOR RUN WHILE PRESSING THE FILTER SHAKER SWITCH NO YES NO YES REPLACE ...

Страница 159: ...5 9 TO CLEAN FUEL TANK SEDIMENT BOWL 5 10 GAS CARBURETOR 5 11 FUEL SYSTEM LPG 5 12 LP FUEL TANK 5 12 TO CHANGE LPG FUEL TANK 5 12 ENGINE CHOKE KNOB 5 14 LP CARBURETOR 5 14 LP LOCK OFF FILTER 5 14 LP REGULATOR 5 14 IGNITION SYSTEM 5 15 SPARK PLUG 5 15 TO REPLACE SPARK PLUG 5 15 ALTERNATOR 5 16 LOW BATTERY CHARGE INDICATOR 5 16 TO REPLACE STARTER 5 17 TO REMOVE ENGINE 5 20 TO INSTALL ENGINE 5 24 GAS...

Страница 160: ...ENGINE GAS LP 5 2 3640G LP 330585 5 00 ...

Страница 161: ...P 5 3 3640G LP 330585 5 00 INTRODUCTION This section includes repair information on the engine and related systems such as fuel electrical and drive belts This section includes information on the gas and LP engines ...

Страница 162: ... TO CHANGE ENGINE OIL FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Go to the rear of the machine and locate the engine oil drain plug on the right hand side above the brush arm bracket 3 Slide a drain pan under the brush arm bracket in the area below the drain plug ...

Страница 163: ...0 hours of operation and every 50 hours after that LOW OIL WARNING INDICATOR Gasoline and LPG powered machines A low oil shutdown switch is standard equipment on all gasoline and LP gas powered machines When the engine oil level drops below a certain level the engine will automatically shut itself off The engine will not restart until the proper amount of oil has been added to it If the low oil en...

Страница 164: ...lter can be removed for access to the filter for cleaning or replacement TO REPLACE AIR FILTER FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Locate the air filter cover on the front of the engine 3 Un snap the clamp holding the filter cover to the carburetor mount plate ...

Страница 165: ...30585 5 00 4 Remove the filter cover and dirty filter 5 Install the new air filter and existing filter cover on the mount plate 6 Reconnect the filter cover clamp and snap in place 7 Close the engine cover and operate the machine ...

Страница 166: ...system Every 100 to 200 hours the blower housing on the engine should be removed so the area between the cooling fins can be clean of any dirt or debris GOVERNOR The governor on the model 3640 is an internal mechanical style using a centrifugal flyweight system It requires no regular maintenance or adjustment ...

Страница 167: ...a gravity feed type There is no fuel pump on this engine The fuel tank holds 3 6 liters 0 95 gallons FUEL FILTER The engine on the model 3640 does not have an in line fuel filter This engine is equipped with a sediment bolt at the fuel tank shut off valve Clean the sediment bowl every 100 to 200 hours ...

Страница 168: ...p On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Turn the shut off valve at the fuel tank to the closed position 3 Start the engine and let it run until all of the gas is used in the fuel line and carburetor 4 Remove the sediment bowl from the bottom of the fuel tank shut off valve ...

Страница 169: ...do not over tighten 7 Turn the fuel tank shut off valve to the open position 8 Start the engine and check the sediment valve for any leaks GAS CARBURETOR The gas carburetor is a horizontal draft float type Use an automobile grade of gasoline for best performance This carburetor should not need to be adjusted Remove disassemble and clean the carburetor every 500 to 600 hours ...

Страница 170: ...to the one used on the gas machine except for a few internal modifications LP FUEL TANK The standard LP tank is a 20lb liquid withdrawal type TO CHANGE LPG FUEL TANK FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Close the valve on the LP tank 2 Run the engine until all of the LP gas has been used up in the fuel lines 3 Disconnect the coupler at the ta...

Страница 171: ...ank strap Remove the LP tank from the machine 6 Install a full LP tank with the connection on the liquid withdrawal valve 7 Position the tank strap over the tank and snap the lock clamp 8 Re connect the LP coupler on the tank valve Turn on the valve 9 Start the engine and check the coupler for leaks ...

Страница 172: ...FF FILTER The LP lock off filter is mounted on the back of the engine The fuel line from the LP tank runs to the inlet port on the lock off filter The outlet port on the lock off is connected to the inlet port on the LP regulator The lock off filter functions include removing impurities from the LP gas and stopping the flow of LP gas when the engine is not running LP REGULATOR The LP regulator is ...

Страница 173: ...chine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Remove the spark plug wire from the spark plug 3 Use a spark plug wrench to loosen and remove the plug 4 Clean any dirt from the area around the spark plug opening 5 Install the new spark plug Tighten firmly 6 Reconnect the spark plug wire 7 Close the engine cover and start the machine 8 Clean or re...

Страница 174: ...or The alternator is located under the the engine flywheel The alternator needs no regular maintenance LOW BATTERY CHARGE INDICATOR The low battery charge indicator will illuminate when the battery charging system is not functioning properly If the light remains on after the engine starts contact TENNANT service personnel ...

Страница 175: ...FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables from the battery 3 Disconnect the wire leading from the battery to the stud on the starter ...

Страница 176: ...to the rear of the machine and locate the lower attachment bolt from the starter Remove the bolt 6 Remove the starter from the engine 7 Position the new starter in the engine compartment Line up the starter with the opening into the flywheel 8 Reinstall the upper attachment bolt Leave loose for now ...

Страница 177: ...the lower attachment bolt and tighten firmly Go to the upper bolt and tighten firmly 10 Reconnect the wire leading from the battery to the stud on the starter 11 Reconnect the battery cables 12 Start the engine Check the new starter for proper operation ...

Страница 178: ...TO REMOVE ENGINE FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Place Shifter In Park 1 Open the engine cover and engage the prop rod 2 Disconnect the battery cables 3 LP MACHINE Remove the LP tank and mounting brackets ...

Страница 179: ...G LP 330585 5 00 4 Remove the engine cover from the machine 5 Disconnect the choke cable at the carburetor 6 Remove the flat drive belt from the engine sheave 7 Loosen the vacuum fan belt and remove it from the engine sheave ...

Страница 180: ...move the tension on the main brush drive belt and slip it off the engine drive sheave 10 Disconnect two alternator wires two low oil pressure switch wires one solenoid wire one ground cable and a positive battery cable from the back of the engine 11 Remove the main brush from the machine See TO REPLACE MAIN BRUSH instructions in the SWEEPING section ...

Страница 181: ...of of the frame 13 Remove the two rear engine mount bolts Access this hardware by going to the rear of the machine and locating the two hardware dimples in front of the brush arm mount bracket and above the transaxle 14 The engine can now be removed from the machine 15 Remove the drive sheaves from both sides of the old engine and install them on the new engine in the same orientation ...

Страница 182: ...on the engine block with the mount holes in the machine frame 3 Install the two front engine mount bolts Access this hardware by going into the brush wrap area and locating the two hardware dimples in the roof of the frame 4 Install the two rear engine mount bolts Access this hardware by going to the rear of the machine and locating the two hardware dimples in front of the brush arm mount bracket ...

Страница 183: ...ch wires one solenoid wire one ground cable and a positive battery cable one the back of the engine See schematic in the ELECTRICAL section 7 Install the main brush drive belt over the sheave on the right side of the engine See TO REPLACE MAIN BRUSH DRIVE BELT instructions in the SWEEPING section 8 Reinstall the right side drive wheel assembly See TO INSTALL REAR TIRE instructions in the CHASSIS s...

Страница 184: ...instructions in the SWEEPING section 10 Reinstall the flat transaxle drive belt over the sheave on the left side of the engine See TO REPLACE FLAT DRIVE BELT instructions in the CHASSIS section 11 Reconnect the choke cable at the carburetor 12 LP MACHINE Install the LP tank mounting brackets and LP tank Reconnect the LP hose to the tank Open the valve ...

Страница 185: ...ables to the battery 14 Reinstall the engine cover 15 Check the engine for oil If needed fill the engine with oil The capacity of this engine is 0 65 liters 0 17 U S gallon Use an automobile grade SAE 20 30 or 10W 30 16 Start the engine and check for proper operation ...

Страница 186: ...ENGINE GAS LP 5 28 3640G LP 330585 5 00 ...

Страница 187: ...ave regarding our machine manuals If you find an error or have a suggestion please complete this postage paid form and mail it to us Thank you for helping us make zero defects a way of life at Tennant Manual No Rev No Publish Date Page Machine Report Error Suggestion Name Date Customer Number Company Address City State Zip Code ...

Страница 188: ...GE NECESSARY IF MAILED IN THE UNITED SATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 94 MINNEAPOLIS MN POSTAGE WILL BE PAID BY ADDRESSEE Technical Publications 15 701 North Lilac Drive P O Box 1452 Minneapolis MN 55440 9947 TENNANT COMPANY ...

Страница 189: ...ave regarding our machine manuals If you find an error or have a suggestion please complete this postage paid form and mail it to us Thank you for helping us make zero defects a way of life at Tennant Manual No Rev No Publish Date Page Machine Report Error Suggestion Name Date Customer Number Company Address City State Zip Code ...

Страница 190: ...GE NECESSARY IF MAILED IN THE UNITED SATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 94 MINNEAPOLIS MN POSTAGE WILL BE PAID BY ADDRESSEE Technical Publications 15 701 North Lilac Drive P O Box 1452 Minneapolis MN 55440 9947 TENNANT COMPANY ...

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Содержание 3640G/LP

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Содержание 3640G/LP

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