Tennant 1186 Operator'S Manual Download Page 6

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GENERAL INFORMATION

1186 MM267 (6–94)

Page

ENGINE

3-8

. . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE LUBRICATION

3-8

. . . . . . . . . .

COOLING SYSTEM

3-8

. . . . . . . . . . . . .

AIR INTAKE SYSTEM

3-8

. . . . . . . . . . .

AIR FILTER

3-8

. . . . . . . . . . . . . . . . . .

TO CLEAN OR REPLACE AIR

FILTER ELEMENT

3-8

. . . . . . . . .

FUEL SYSTEM – GASOLINE

3-9

. . . . .

FUEL FILTER

3-9

. . . . . . . . . . . . . . . .

CARBURETOR

3-9

. . . . . . . . . . . . . . .

FUEL SYSTEM – LPG

3-9

. . . . . . . . . . .

LPG FUEL SYSTEM

3-9

. . . . . . . . . .

FUEL TANKS

3-10

. . . . . . . . . . . . . . . .

TO CHANGE AN LPG FUEL

TANK

3-11

. . . . . . . . . . . . . . . . . . . .

FUEL FILTER LOCK

3-12

. . . . . . . . . .

REGULATOR

3-12

. . . . . . . . . . . . . . . .

CARBURETOR

3-12

. . . . . . . . . . . . . . .

LPG FUEL TROUBLESHOOTING 3-13

ELECTRICAL SYSTEM

3-13

. . . . . . . . . .

SPARK PLUG

3-13

. . . . . . . . . . . . . . . .

IGNITION SYSTEM

3-13

. . . . . . . . . . .

STARTER

3-13

. . . . . . . . . . . . . . . . . . .

CYLINDER HEAD

3-14

. . . . . . . . . . . . . . .

VALVE TAPPET CLEARANCE

3-14

PCV SYSTEM

3-14

. . . . . . . . . . . . . . . . . .

TUNE-UP CHART

3-14

. . . . . . . . . . . . . . .

ELECTRICAL SYSTEM

3-15

. . . . . . . . . . . . .

BATTERY

3-15

. . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL SCHEMATIC

3-16

. . . . . . .

BELTS AND CHAINS

3-17

. . . . . . . . . . . . . . .

PROPELLING BELTS

3-17

. . . . . . . . . . . .

TO CHECK AND ADJUST

PROPELLING BELTS
TENSION

3-17

. . . . . . . . . . . . . . . . .

TO REPLACE PROPELLING

BELTS

3-18

. . . . . . . . . . . . . . . . . . .

SIDE BRUSH BELT

3-19

. . . . . . . . . . . . . .

TO CHECK AND ADJUST SIDE

BRUSH BELT TENSION

3-19

. . . .

TO REPLACE SIDE BRUSH

BELT

3-20

. . . . . . . . . . . . . . . . . . . . .

SHORT MAIN BRUSH BELT

3-21

. . . . . .

TO REPLACE SHORT MAIN

BRUSH BELT

3-21

. . . . . . . . . . . . .

LONG MAIN BRUSH BELT

3-21

. . . . . . .

TO REPLACE LONG MAIN

BRUSH BELT

3-21

. . . . . . . . . . . . .

VACUUM FAN BELT

3-22

. . . . . . . . . . . . .

TO CHECK AND ADJUST VACUUM

FAN BELT TENSION

3-22

. . . . . . .

TO REPLACE VACUUM

FAN BELT

3-23

. . . . . . . . . . . . . . . .

WHEEL DRIVE CHAINS

3-23

. . . . . . . . .

STATIC DRAG CHAIN

3-23

. . . . . . . . . . .

Page

BRUSHES

3-24

. . . . . . . . . . . . . . . . . . . . . . . . .

MAIN BRUSH

3-24

. . . . . . . . . . . . . . . . . . .

TO REMOVE MAIN BRUSH

3-24

. . .

TO INSTALL MAIN BRUSH

3-24

. . . .

TO CHECK AND ADJUST MAIN

BRUSH PATTERN

3-24

. . . . . . . . .

SIDE BRUSH

3-25

. . . . . . . . . . . . . . . . . . .

TO REMOVE SIDE BRUSH

3-25

. . . .

TO INSTALL SIDE BRUSH

3-26

. . . .

TO ADJUST SIDE BRUSH

PATTERN

3-26

. . . . . . . . . . . . . . . . .

SKIRTS AND SEALS

3-27

. . . . . . . . . . . . . . .

HOPPER LIP SKIRT

3-27

. . . . . . . . . . . . .

REAR BRUSH SKIRTS

3-27

. . . . . . . . . .

HOPPER TOP SEAL

3-27

. . . . . . . . . . . . .

MAIN BRUSH COMPARTMENT

SKIRTS

3-27

. . . . . . . . . . . . . . . . . . . . .

DEBRIS HOPPER AND DUST

FILTER

3-28

. . . . . . . . . . . . . . . . . . . . . .

DEBRIS HOPPER

3-28

. . . . . . . . . . . . . . .

TO CHECK AND ADJUST HOPPER

FLOOR CLEARANCE

3-28

. . . . . .

TO ADJUST DUST FILTER TO

HOPPER SEALING

3-29

. . . . . . . .

DUST FILTER

3-29

. . . . . . . . . . . . . . . . . . .

TO REMOVE DUST FILTER

3-30

. . .

SOLUTION TANK

3-31

. . . . . . . . . . . . . . . . . .

SOLUTION TANK

3-31

. . . . . . . . . . . . . . .

TO DRAIN AND CLEAN

SOLUTION TANK

3-31

. . . . . . . . . .

REAR SQUEEGEE

3-32

. . . . . . . . . . . . . . . . .

REAR SQUEEGEE

3-32

. . . . . . . . . . . . . .

TO REMOVE SQUEEGEE

ASSEMBLY

3-32

. . . . . . . . . . . . . . .

TO INSTALL SQUEEGEE

ASSEMBLY

3-33

. . . . . . . . . . . . . . .

TO REPLACE FRONT

SQUEEGEE BLADE

3-33

. . . . . . .

TO REPLACE REAR

SQUEEGEE BLADE

3-34

. . . . . . .

TO ADJUST SQUEEGEE

3-35

. . . . . .

APPENDIX

4-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

HARDWARE INFORMATION

4-3

. . . . . . . .

STANDARD BOLT TORQUE CHART

4-3

METRIC BOLT TORQUE CHART

4-3

BOLT IDENTIFICATION

4-3

. . . . . . . . . .

THREAD SEALANT AND LOCKING

COMPOUNDS

4-3

. . . . . . . . . . . . . . .

Summary of Contents for 1186

Page 1: ...1186 MM267 Rev 05 12 95 Operator Manual ...

Page 2: ...ary 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 equivalent parts Parts and supplies may be ordered by phone or mail from any TENNANT parts and service center distri...

Page 3: ...arks And Open Flame Away From Refueling Area Make Sure All Safety Devices Are In Place And Operate Properly Check Brakes And Steering For Proper Operation 3 When Using Machine Go Slow On Grades And Slippery Surfaces Use Care When Backing Machine 4 Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake Turn Off Machine And Remove Key 5 When Servicing Machine Avoid Moving Parts ...

Page 4: ...ecomes damaged or illegible install a new label in its place FOR SAFETY LABEL LOCATED ON THE TOP OF THE SOLUTION TANK TOXIC GASES LABEL LOCATED ON THE LEFT SIDE PANEL BACK STRAIN LABEL LOCATED ON THE UNDERSIDE OF THE FILTER ASSEMBLY 06323 FLAMMABLE MATERIALS LABEL LOCATED ON RIGHT SIDE PANEL FLAMMABLE MATERIALS LABEL LOCATED ON RIGHT SIDE PANEL ...

Page 5: ...NG BRAKE LEVER 2 8 SQUEEGEE LEVER 2 8 SIDE BRUSH ARM 2 8 THERMO SENTRY 2 9 Page MACHINE OPERATION 2 10 NORMAL SWEEPING OPERATION 2 10 PRE START CHECKLIST 2 10 TO START MACHINE 2 10 TO SWEEP 2 11 TO DUMP HOPPER 2 11 POST OPERATION CHECKLIST ENGINE OPERATING 2 11 TO STOP MACHINE 2 11 POST OPERATION CHECKLIST ENGINE STOPPED 2 12 NORMAL SCRUBBING OPERATION 2 12 PRE START CHECKLIST 2 12 TO START MACHIN...

Page 6: ...MAIN BRUSH BELT 3 21 VACUUM FAN BELT 3 22 TO CHECK AND ADJUST VACUUM FAN BELT TENSION 3 22 TO REPLACE VACUUM FAN BELT 3 23 WHEEL DRIVE CHAINS 3 23 STATIC DRAG CHAIN 3 23 Page BRUSHES 3 24 MAIN BRUSH 3 24 TO REMOVE MAIN BRUSH 3 24 TO INSTALL MAIN BRUSH 3 24 TO CHECK AND ADJUST MAIN BRUSH PATTERN 3 24 SIDE BRUSH 3 25 TO REMOVE SIDE BRUSH 3 25 TO INSTALL SIDE BRUSH 3 26 TO ADJUST SIDE BRUSH PATTERN 3...

Page 7: ... 6 26 Fig 17 Instrument Panel Group 6 27 Fig 18 Wire Harnesses Group Gasoline 6 28 Fig 19 Label Group 6 29 OPTIONS 7 1 Fig 1 Hopper Group 7 2 Fig 2 Side Scrub Brush Kit 7 3 Fig 3 Fine Particle Filter Kit 7 4 Fig 4 Lift and Tie Down Kit 7 6 Fig 5 Dual Caster Group 7 8 Fig 6 Fire Extinguisher Kit 7 9 Fig 7 Fuel Tank Group LPG 7 10 Fig 8 Double Wheel Kit 7 11 Page ENGINE PARTS GASOLINE LPG 8 1 Fig 1 ...

Page 8: ...GENERAL INFORMATION 1186 MM267 6 94 vi ...

Page 9: ...N 1 CONTENTS Page MACHINE SPECIFICATIONS 1 3 POWER TYPE 1 3 POWER TRAIN 1 3 SUSPENSION SYSTEM 1 3 SYSTEM FLUID CAPACITIES 1 3 GENERAL MACHINE DIMENSIONS CAPACITIES 1 3 MACHINE WEIGHTS 1 3 GENERAL MACHINE PERFORMANCE 1 3 MACHINE DIMENSIONS 1 4 ...

Page 10: ...SPECIFICATIONS 1186 MM267 6 94 1Ć2 ...

Page 11: ...ON SYSTEM Front 10 x 2 00 zero pressure tires 2 Rear 5 x 1 5 caster 1 SYSTEM FLUID CAPACITIES Engine lubricating oil 1 qt 0 95 L Fuel tank 1 25 gal 4 75 L gasoline 20 lb 9 kg LPG Solution tank 11 gal 41 64 L GENERAL MACHINE DIMENSIONS CAPACITIES Length 58 in 1475 mm Width 36 in 915 mm less side brush Height 38 in 965 mm Track front 31 in 790 mm Wheel base 23 5 in 595 mm Main brush width 26 in 660 ...

Page 12: ...SPECIFICATIONS 1186 MM267 6 94 1Ć4 MACHINE DIMENSIONS SIDE VIEW TOP VIEW 36 in 915 mm 58 in 1475 mm 38 in 965 mm 06303 ...

Page 13: ...R 2 8 SIDE BRUSH ARM 2 8 THERMO SENTRY 2 9 MACHINE OPERATION 2 10 NORMAL SWEEPING OPERATION 2 10 PRE START CHECKLIST 2 10 TO START MACHINE 2 10 TO SWEEP 2 11 TO DUMP HOPPER 2 11 POST OPERATION CHECKLIST ENGINE OPERATING 2 11 TO STOP MACHINE 2 11 POST OPERATION CHECKLIST ENGINE STOPPED 2 12 Page NORMAL SCRUBBING OPERATION 2 12 PRE START CHECKLIST 2 12 TO START MACHINE 2 12 TO SCRUB 2 13 TO DRAIN SO...

Page 14: ...OPERATION 1186 MM267 6 94 2Ć2 ...

Page 15: ...chine FOR SAFETY Do Not Operate Machine Unless Operation Manual Is Read And Understood 3 Check the engine oil level See ENGINE in the MAINTENANCE section 4 Check the main brush adjustment See BRUSHES in the MAINTENANCE section 5 Fill the fuel tank or install an LPG fuel tank on the machine FOR SAFETY When Servicing Machine Keep Flames And Sparks Away From Fuel System Service Area Keep Area Well Ve...

Page 16: ...CHINE COMPONENTS A Clutch Handle I Instrument Panel B Stationary Handle J Solution Tank Cover C Battery Access Cover K Solution Tank D Filter Cover L Squeegee Suction Hose E Hopper M Squeegee F Side Brush N Drain Hose G Side Brush Arm O Squeegee Lift Lever H Engine Access Cover P Parking Brake Lever ...

Page 17: ... symbols are used to identify controls and displays on the machine Filter Shaker Main Brush Free Float Main Brush Down Main Brush Up Vacuum Shut Off Circuit Breaker No 1 Circuit Breaker No 2 Choke Engine Start Key Switch Solution Flow Parking Brake Side Brush ...

Page 18: ...ND INSTRUMENTS A Stationary Handle H Clutch Handle B Solution Flow Switch I Key Operated On Off Switch C Filter Shaker By pass Switch J Engine Choke Knob D Ammeter K Circuit Breakers E Main Brush Lever L Vacuum Shut Off Knob F Hour Meter M Clutch Reverse Handle G Start Switch ...

Page 19: ...ls the position of the main brush To raise the main brush pull the lever up to the right and back into the Main Brush Up position lower groove To lower the main brush on smooth surfaces push the lever forward and pull it back into the Main Brush Down position top groove To lower the main brush on uneven surfaces push the lever forward to the left and release it into the Main Brush Free Float posit...

Page 20: ...vacuum shut off knob controls the vacuum to the dust filter To stop vacuum to the dust filter pull the knob out To vacuumize the dust filter push the knob in PARKING BRAKE LEVER The parking brake lever controls the brake on the front wheel To set the parking brake step on the lever and release it into the long notch on the left To release the parking brake step on the lever and release it into the...

Page 21: ...uum fan from the hopper The thermostat controls an engine shut off switch In the event of a fire in the hopper the high air temperature would cause the thermostat to trip stopping the engine cutting off air flow to the fire After the thermostat has tripped it will automatically reset after cooling A 03152 THERMO SENTRY A Thermo Sentry ...

Page 22: ... proper operation Check service records to determine service requirements TO START MACHINE NOTE Before starting machine perform the pre start checks 1 LPG powered machines Slowly open the liquid service valve NOTE Opening the service valve too quickly may cause the service valve check valve to stop the flow of LPG fuel If the check valve stops the flow of fuel close the valve wait a few seconds an...

Page 23: ...h Up position 2 Pull the side brush arm into the raised position NOTE The filter shaker by pass switch must be in the on position to shake the dust filter when the engine is turned off 3 Slowly drive the machine up to the dump site or dumpster Park on a level surface 4 Stop the engine and set the machine parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking...

Page 24: ...ne for leak spots Check engine lubricating oil level Check fuel level Check for LPG odor or frosting on hoses or components indicating LPG fuel leak Check brakes and controls for proper operation Check service records to determine service requirements TO START MACHINE NOTE Before starting machine perform the pre start checks 1 LPG powered machines Slowly open the liquid service valve NOTE Opening ...

Page 25: ... solution flow to floor 5 ft 1 5 m before making turns Always raise the rear squeegee before backing machine 1 Stop the engine before filling the solution tank FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine NOTE The filter shaker by pass switch should be in the off position to prevent the filter shaker from shaking 2 Open the solution ta...

Page 26: ...e C Access Door 3 Spray the inside of the solution tank with clean water Remove all sludge and debris from the bottom of the tank NOTE The water must not be hotter than 130 F 54 C or tank damage may occur 4 Rinse the screen filter at the bottom of the tank with clean water B A 06313 SCREEN FILTER A Screen Filter B Solution Tank Fill Opening 5 Return the drain hose to its retention plug 6 Partially...

Page 27: ...shaker from shaking 5 LPG powered machines Close the LPG tank liquid service valve POST OPERATION CHECKLIST ENGINE STOPPED Check skirts for damage wear and adjustment Check for wire or string tangled on brushes Drain and clean solution tank Check vacuum hoses for debris or obstructions Check to make sure LPG tank service valve is closed Check for LPG odor or frost on LPG hoses and components indic...

Page 28: ...nspection cover Adjust cover or replace seal seal broken Vacuum hose clogged Flush vacuum hoses Solution tank full Drain tank Float stuck shutting off vacuum Clean float and float guide Debris caught on squeegee Remove debris Debris hopper full Empty hopper Foam filling solution tank Empty solution tank change detergent Vacuum hose to squeegee Reconnect or replace vacuum disconnected or damaged ho...

Page 29: ...lts on the wrap around bumper To tie the machine down strap around the bumper at the attachment bolts A 03136 LEFT SIDE TIE DOWN LOCATION A Tie Down When transporting the machine on a trailer or in a truck be sure to engage the machine parking brake if so equipped and block the machine tires to prevent the machine from rolling ...

Page 30: ...able deposits from forming 1 Empty debris hopper 2 Change engine oil 3 Raise the main brush and side brush 4 Park the machine in a cool dry area 5 Stop the engine 6 Drain the fuel tank 7 Start the engine and let it run out of fuel 8 Remove the spark plug and pour 1 oz 30 cc of new engine oil into the cylinder 9 Crank the engine to distribute the oil then replace the spark plug 10 Clean the engine ...

Page 31: ...DE BRUSH BELT 3 19 TO CHECK AND ADJUST SIDE BRUSH BELT TENSION 3 19 TO REPLACE SIDE BRUSH BELT 3 20 SHORT MAIN BRUSH BELT 3 21 TO REPLACE SHORT MAIN BRUSH BELT 3 21 Page LONG MAIN BRUSH BELT 3 21 TO REPLACE LONG MAIN BRUSH BELT 3 21 VACUUM FAN BELT 3 22 TO CHECK AND ADJUST VACUUM FAN BELT TENSION 3 22 TO REPLACE VACUUM FAN BELT 3 23 WHEEL DRIVE CHAINS 3 23 STATIC DRAG CHAIN 3 23 BRUSHES 3 24 MAIN ...

Page 32: ...MAINTENANCE 1186 MM267 6 94 3Ć2 ...

Page 33: ...INSPECTION After the first 25 hours of operation the following procedures are recommended 1 Check the brush pattern for correct brush adjustment 2 Check the floor skirts to floor clearance 3 Check the side brush and main brush patterns 4 Check the drive chain tension ...

Page 34: ... filter Shake 1 1 Brush skirts Check for damage wear and 5 floor clearance 3 Main brush Check for damage wear and 1 floor clearance 8 Side brush Check for damage and wear 1 7 Hopper Check for hopper door seal 3 damage and wear 13 Rear squeegee Check for damage wear 1 and adjustment 25 Hours 12 Engine Change oil EO 1 Clean cooling fins 1 Clean and oil air filter 1 pre cleaner element 13 Solution ta...

Page 35: ...ance 1 100 Hours 12 Engine Clean or replace and 1 gap spark plug Clean or replace filter element 1 5 Drive chains Check and adjust tension 2 Lubricate SO 2 7 Hopper Clean inside 1 Check floor clearance 1 11 Self adjusting sheave Lubricate EO 1 6 Dust filter Clean or replace 1 17 Differential Lubricate SPL 1 400 Hours 12 Engine Check valve clearance 1 Check breather reed valve 1 and gaskets Clean c...

Page 36: ...rive Sheave DIFFERENTIAL The differential drives the front wheels The differential has one grease fitting located on the drive shaft inside the drive sheave Lubricate the differential every 100 hours of operation with Lubriplate EMB grease TENNANT Part No 01433 1 BRUSH ARM PIVOTS The brush arm pivots on a stub shaft on each side of the machine Each of the stub shafts are fitted with a grease fitti...

Page 37: ... hub and the caster fork The caster swivel is full when grease appears through the swivel o ring C B A 03143 REAR CASTER A Rear Caster B Axle Grease Fitting C Swivel Grease Fitting SELF ADJUSTING SHEAVE The self adjusting sheave transfers power from the short main brush belt to the main brush Lubricate the sheave shaft with SAE 30 weight engine oil after every 100 hours of operation Avoid getting ...

Page 38: ...irt will wear out a set of piston rings in just a few hours Operating with a clogged air filter element also causes the fuel mixture to be richer which can lead to formation of harmful sludge deposits in the engine Always cover the air intake when the air cleaner is removed for servicing Do not neglect servicing the air cleaner Use only correct parts for replacement Keep all other air intake compo...

Page 39: ...el adjusting needle out counterclockwise to a minimum of one and three quarters turns to a maximum of two turns open Final adjustment is made with the engine running and warm The carburetor should be adjusted with the fuel tank approximately one half full and with the engine running at approximately 800 RPM Turn the main fuel adjusting needle valve out until the engine begins to lose speed rich No...

Page 40: ...eaks and broken protecting rings whenever the tanks are refilled All tank valves must be inspected for leaks using a soap solution Valves must also be checked for dirt paint or other debris in the valve openings The following specific checks must also be made Filler Valve Check for proper functioning and the presence of the handwheel Valve must be closed except during filling Vapor and Liquid Serv...

Page 41: ...the operator should notify the appropriate personnel for appropriate action TO CHANGE AN LPG FUEL TANK 1 Park the machine in a designated safe area FOR SAFETY When Servicing Machine Keep Flames And Sparks Away From Fuel System Service Area Keep Area Well Ventilated 2 Close the tank service valve 3 Operate the engine until it stops from lack of fuel FOR SAFETY Before Leaving Or Servicing Machine St...

Page 42: ...ean out the bowl when replacing the filter pack REGULATOR The regulator regulates the flow of LPG fuel to the carburetor If any malfunction is noted completely disassemble the regulator Clean all of the parts in alcohol Inspect all of the parts and replace where needed Carefully reassemble the regulator with the seal repair kit Check for proper operation CARBURETOR The carburetor meters fuel to th...

Page 43: ...gauge is best for checking the spark plug gap A flat gauge should not be used unless the electrode surfaces have been dressed with a small file to get parallel surfaces between the center and side electrodes Set the spark plug gap by bending the side electrode All spark plugs new or used should have the gaps checked and reset if necessary A B C D 01471 GAPPING THE SPARK PLUG A Spark Plug B Center ...

Page 44: ...SEQUENCE VALVE TAPPET CLEARANCE The valve tappet clearance must be inspected after every 400 hours of operation The intake valve clearance should be 0 006 to 0 008 in 0 15 to 0 20 mm cold The exhaust valve clearance should be 0 017 to 0 019 in 0 43 to 0 48 mm cold Grind off the end of the valve stem to obtain the proper clearance PCV SYSTEM The pcv system including the reed valve and gaskets must ...

Page 45: ...el must be checked after every 50 hours of operation It must always be above the battery plates Add distilled water to maintain solution at the correct level above the plates but do not overfill Never add acid to batteries only water Keep vent plugs firmly in place at all times except when adding water or taking hydrometer readings FOR SAFETY When Servicing Machine Avoid Contact With Battery Acid ...

Page 46: ...MAINTENANCE 1186 MM267 6 94 3Ć16 ELECTRICAL SCHEMATIC 06779 ...

Page 47: ...151 PROPELLING BELTS A Engine B Clutch Plate C Clutch Plate Bolt D Bolt Slot E Forward Belt Idler Sheave F Reverse Propelling Belt G Forward Propelling Belt H Reverse Belt Idler Sheave I Belt Guide 5 Loosen the forward idler sheave bolt and slide the idler sheave down to tighten the belt this also increases distance between clutch handle and stationary handle slide the sheave up to loosen the belt...

Page 48: ...haft away from the differential E Tighten the left bearing flanges Check for hard rotation of shaft F Tighten the left bearing collars G Pull the short differential shaft away from differential to spread the differential gears H Tighten the right side bearing flange Rap on bearing before tightening I Tighten the right bearing collar J Check for free spinning of differential Loosen the center and r...

Page 49: ... TO CHECK AND ADJUST SIDE BRUSH BELT TENSION 1 Stop the engine and set the machine parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine 2 Remove the debris hopper 3 Remove the engine access cover right side bumper and cover 4 Place the side brush arm in the down position 5 Check the belt tension at a point 9 in 230 mm from the en...

Page 50: ...cover and engine access cover 4 Place the side brush arm in the raised position 5 Remove the four speed reducer mounting bolts and the speed reducer from the side brush arm 6 Slide the belt off the engine sheave and out of the machine B A C D 03151 SIDE BRUSH BELT A Engine B Engine Sheave C Side Brush Belt D Belt Guide 7 Position the new belt over the engine sheave under the belt guide and through...

Page 51: ... Evenly tighten the two screws to expand the self adjusting sheave 6 Slip the belt off the sheaves 7 Slide the new belt over the sheaves 8 Unthread the two screws 9 Replace the right side bumper and cover and engine access cover LONG MAIN BRUSH BELT The long main brush belt transfers power from the engine to the main brush two step sheave Check the belt for wear after every 50 hours of operation A...

Page 52: ...pring 14 Position the side brush belt over the engine sheave and under the belt guide 15 Slide the short main brush belt over the self adjusting sheave and the two step sheave 16 Unthread the two screws separating the self adjusting sheave 17 Adjust the belt tension as described in TO CHECK AND ADJUST SIDE BRUSH BELT TENSION 18 Replace the right side bumper and cover and engine access cover 19 Rep...

Page 53: ...d in TO CHECK AND ADJUST VACUUM FAN BELT TENSION 7 Close the filter cover WHEEL DRIVE CHAINS The two wheel drive chains transfer power from the differential to the drive wheels Lubricate the chains with a penetrating type spray lubricant after every 100 hours of operation Check the chains for wear or damage and tension after the first 50 hours of operation and then after every 100 hours of operati...

Page 54: ...of the brush compartment TO INSTALL MAIN BRUSH 1 Slide the main brush through the main brush access door into the brush compartment 2 Rotate the main brush until the slots on the ends of the main brush engage the keys on the main brush drive hub NOTE Do not force the main brush onto the drive hub When the main brush slots and drive hub keys are properly aligned the main brush will easily slip on t...

Page 55: ...ound tangled on the side brush side brush drive hub or shaft The side brush should be replaced when the remaining bristle length measures 1 in 25 mm in length The side brush pattern should be checked after every 50 hours of operation The side brush is properly adjusted when with the side brush arm in the raised position there is approximately 1 in 25 mm of space between the floor and the side brus...

Page 56: ...e parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine 2 Pull the side brush arm up into the raised position 3 Remove the side brush retaining bolt or clevis pin 4 Slide the side brush up or down on the shaft until there is approximately 1 in 25 mm of space between the floor and the brush bristles 5 Line up the side brush and dri...

Page 57: ...mm Inspect the skirt for wear or damage and proper floor clearance daily A 03157 REAR BRUSH SKIRTS A Rear Brush Skirts HOPPER TOP SEAL The hopper top seal is located on the front edge of the machine frame It seals the area between the top of the hopper and the brush compartment Inspect the seal for wear or damage daily A B 02349 HOPPER TOP SEAL A Seal B Frame MAIN BRUSH COMPARTMENT SKIRTS Two main...

Page 58: ...oth level surface and set the machine parking brake 2 Stop the engine FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine 3 Empty the debris hopper and replace it on the machine 4 The bottom rear metal edge of the hopper should clear the floor by 0 5 in 15 mm Also be sure the hopper is level side to side 5 To adjust the hopper loosen the hang...

Page 59: ...wn and return to its original position DUST FILTER The dust filter filters the air which is drawn up from the main brush compartment by the vacuum fan It is located inside the dust filter compartment Shake the excess dust from the filter daily and before emptying hopper Inspect and clean or replace the dust filter after every 100 hours of operation To clean the dust filter use one of the following...

Page 60: ...front filter cover screws and the front filter cover 3 Remove the filter hold down bar Remove the dust filter B A 03158 REMOVING HOLD DOWN BAR A Dust Filter B Hold Down Bar 4 Inspect and clean or replace the dust filter 5 Position the dust filter in the filter frame with the arrows pointing away from the machine 6 Position the filter hold down bar on the filter 7 Secure the front filter cover on t...

Page 61: ...ention Plug B Drain Hose C Solution Tank D Inspection Door 3 Lower the hose to a floor drain to drain the tank NOTE The tank will not empty with the vacuum fan operating 4 Spray the inside of the solution tank with clean water Remove all sludge and debris from the bottom of the tank NOTE The water must not be hotter than 130 F 54 C or tank damage may occur 5 Rinse the screen filter at the bottom o...

Page 62: ...wiping edge rotate the top edges down bottom edges up To use the last edge swap the squeegee end for end Replace the back up strips if they become damaged or if they lose their resiliency TO REMOVE SQUEEGEE ASSEMBLY 1 Place the squeegee lever in the up position 2 Stop the engine and set the machine parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake...

Page 63: ...ition 2 Stop the engine and set the machine parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine 3 Remove the squeegee assembly from the machine 4 Turn the front squeegee levered cam clockwise to relieve tension on the squeegee retention band 5 Remove the stationary cam and levered cam 6 Remove the squeegee retention band 7 Remov...

Page 64: ...e parking brake FOR SAFETY Before Leaving Or Servicing Machine Stop On Level Surface Set Parking Brake And Turn Off Machine 3 Remove the squeegee assembly from the machine 4 Turn the rear squeegee levered cam clockwise to relieve tension on the squeegee retention band 5 Remove the squeegee retention band stationary cam and levered cam 6 Remove the backup strip and rear squeegee from the squeegee f...

Page 65: ... edge and retighten the levered cam Overtightening the levered cam may damage the squeegee frame and retention band TO ADJUST SQUEEGEE 1 Start the engine 2 Place the squeegee lever in the down position 3 Operate the machine in a forward direction to deflect the squeegee blade 4 Observe the squeegee blade deflection The squeegee blade should be evenly deflected from one end to the other If the sque...

Page 66: ...ct the squeegee blades once again 6 Check the rear squeegee blade deflection The backup strip controls the squeegee blade deflection Flip the backup strip to increase or decrease the squeegee blade deflection A B 03164 BACKUP STRIP A Rear Squeegee Blade B Backup Strip This position has the smallest deflection ...

Page 67: ...APPENDIX 4Ć1 1186 MM267 6 94 SECTION 4 CONTENTS Page HARDWARE INFORMATION 4 3 STANDARD BOLT TORQUE CHART 4 3 METRIC BOLT TORQUE CHART 4 3 BOLT IDENTIFICATION 4 3 THREAD SEALANT AND LOCKING COMPOUNDS 4 3 ...

Page 68: ...APPENDIX 1186 MM267 6 94 4Ć2 ...

Page 69: ...91 380 313 407 424 552 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 Class 8 8 Class 10 9 Size Torque ft lb Nm 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...

Page 70: ...APPENDIX 1186 MM267 6 94 4Ć4 ...

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Tennant 1186, Operator'S Manual

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