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MAINTENANCE

3-46

275 SERIES II MM190 (6---90)

5. DUMP DOOR LATCHES ADJUSTMENT

A. Start the engine and dump the hopper.

B. Return the hopper to the “operating”

position. Stop the engine.

C. Check the hopper door latches to be sure

they are engaged and the hopper door is

closed tightly.

00597

HOPPER DUMP DOOR LATCH

A. Hopper Dump Door Latch

B. Hopper Door

C. Bumper

D. Latching Bracket

D. Adjust latching action by adjusting latch

stop bolt. Do not position stop bolt too

high or the door will close too tightly and

damage the seal and latches.

02484

LATCH STOP BOLT

A. Lift Arm

B. Stop Bolt

C. Hopper

E. Shim the hopper door latching brackets to

adjust the hopper door latch engagement

and hopper door seal compression. Do

not compress the seal too much or the

door will close too tightly and damage the

seal and latches.

F. Start the engine.

G. Dump the hopper and observe the

unlatching of the hopper door. The latches

should release at the same time. Adjust

the latch chain eyebolts if necessary.

Содержание 275 Series II

Страница 1: ...r 275 Series II Sweeper Scrubber ...

Страница 2: ...ver the best results will be obtained at minimum costs if D The machine is operated with reasonable care D The machine is maintained regularly per the maintenance instructions provided D The machine is maintained with Tennant Company supplied or equivalent parts Parts and supplies may be ordered by phone or mail from any Tennant Company parts and service center distributor or from any of the Tenna...

Страница 3: ...nance of the machine This section gives you specification information on the engine electric motors brake system hydraulics fluid capacities and machine weight to mention a few The section also has a illustration of the top and side view of the machine with the height and width dimensions displayed OPERATION The Operation section of the manual contains information needed to operate the machine Thi...

Страница 4: ...rt is used on all machines such as 000000 If the column lists zeros on the left of the dash and a number on the right of the dash then the part is used on machines up to and including that machine serial number such as 00000 002345 For parts that are used on machines beginning at and continuing on from a certain serial number the column would list a serial number on the left of the dash and have b...

Страница 5: ...both supplier and TENNANT parts numbers for repair parts Breakdowns for hydraulic and electrical components have TENNANT part numbers for the parts TENNANT supplies The serial numbers listed in any of the parts lists in these sections is a serial number the manufacturer uses to identify design changes in their particular component ORDERING REPAIR PARTS Once you have located a part to order there a...

Страница 6: ...ABOUT THIS MANUAL 275 SERIES II MM190 12 89 d ...

Страница 7: ...cking machine Do not carry riders on machine Always follow safety and traffic rules 5 Before leaving or servicing machine Stop on level surface Set parking brake Turn off machine and remove key 6 When servicing machine Avoid moving parts Do not wear loose jackets shirts or sleeves when working on machine Use Tennant Company supplied or equivalent replacement parts WARNING Machine emits toxic gases...

Страница 8: ...ne is unstable on jack Jack machine up at designated locations only Block machine up with jack stands WARNING Machine is unstable on jack Block machine tires before jacking machine up WARNING Leaking hydraulic fluid under pressure can penetrate skin Severe infection or death can result Do not use body to locate leak Use cardboard to locate leak WARNING Air or water under pressure Severe eye or ear...

Страница 9: ...If these or any labels become damaged or illegible install a new label in its place 02745 ENGINE FAN LABEL LOCATED ON ENGINE FAN SHROUD BUMPER CHAIN LABEL LOCATED ON UNDERSIDE OF BUMPER LOW DUMP MODEL ONLY NOISE LABEL LOCATED ON FRONT RIGHT OF OPERATOR COMPARTMENT HEAVY BUMPER LABEL LOCATED ON UNDERSIDE OF BUMPER LOW DUMP MODEL ONLY ...

Страница 10: ... HOPPER LIFT ARMS LABEL LOCATED ON HOPPER LIFT ARMS MULTI LEVEL DUMP MODEL ONLY EMISIONS LABEL LOCATED ON LEFT SIDE OF OPERATOR COMPARTMENT HOPPER SUPPORT BAR LABEL LOCATED ON HOPPER SUPPORT BAR FOR SAFETY LABEL LOCATED ON LEFT SIDE OF OPERATOR COMPARTMENT ...

Страница 11: ... STEERING WHEEL 2 10 Page MAIN BRUSH VACUUM FAN AND FILTER SHAKER SWITCH 2 10 CLOGGED FILTER LAMP 2 10 ENGINE HOUR METER 2 10 ENGINE COOLANT TEMPERATURE GAUGE 2 11 ENGINE OIL PRESSURE GAUGE 2 11 BATTERY CONDITION GAUGE 2 11 IGNITION SWITCH 2 11 SIDE BRUSH POSITION LEVER 2 11 HOPPER SUPPORT BAR 2 11 TO ENGAGE HOPPER SUPPORT BAR 2 11 TO DISENGAGE HOPPER SUPPORT BAR 2 12 SCRUB BRUSH POSITION LEVER 2 ...

Страница 12: ...LESHOOTING 3 16 HYDRAULIC COMPONENTS TROUBLESHOOTING 3 18 ENGINE 3 19 ENGINE LUBRICATION 3 19 Page GASOLINE AND LPG POWERED ENGINES 3 19 DIESEL POWERED ENGINES 3 19 COOLING SYSTEM 3 19 AIR INTAKE SYSTEM 3 20 AIR FILTER RESTRICTION INDICATOR 3 20 AIR FILTER 3 21 TO REPLACE AIR FILTER ELEMENT 3 21 FUEL SYSTEM GASOLINE 3 23 FUEL FILTER 3 23 CARBURETOR 3 23 FUEL SYSTEM LPG 3 23 LPG FUEL SYSTEM 3 23 FU...

Страница 13: ... 54 MAIN BRUSH DOOR SEALS 3 55 HOPPER SEALS 3 55 HOPPER INSPECTION DOOR SEAL 3 55 HOPPER DOOR SEALS 3 56 HOPPER COVER SEAL 3 56 HOPPER VACUUM FAN SEAL 3 56 Page BRAKES AND TIRES 3 56 SERVICE BRAKES 3 57 TO ADJUST BRAKE LINKAGE 3 57 PARKING BRAKES 3 57 TIRES 3 57 SCRUB ATTACHMENT 3 58 SCRUB ATTACHMENT 3 58 SOLUTION TANKS 3 58 SOLUTION DISTRIBUTION SYSTEM 3 58 SCRUB BRUSHES 3 58 TO REPLACE SCRUB BRU...

Страница 14: ...sing Group Distributorless DIS 5 70 Fig 44 Throttle Linkage Group 5 71 Fig 45 Muffler Group 5 72 Fig 46 Muffler Group Distributorless DIS 5 73 Fig 47 Fuel Tank Group 5 74 Fig 48 Clogged Filter Indicator Shaker Timer Group 5 75 Fig 49 Labels Group 5 76 Page DIESEL PARTS 6 1 ORDERING REPAIR PARTS 6 3 Fig 1 Engine Group Diesel 6 4 Fig 2 Fuel Tank Group Diesel 6 6 Fig 3 Radiator and Shroud Group Diese...

Страница 15: ...8 50 Fig 45 Battery Group GS LPS DS 8 51 Fig 46 Fuel Tank Group GS 8 52 Fig 47 Instrument Panel Group GS 8 53 Fig 48 Alternator Group GS LPS 8 54 Fig 49 Instrument Panel Group LPS 8 55 Fig 50 Instrument Panel Group DS 8 56 Fig 51 Alternator Group DS 8 57 Fig 52 Fuel System Group DS 8 58 Page Fig 53 Maximum Path Side Brush Group 8 60 Fig 54 Hopper and Cover Group RFS 8 62 Fig 55 Filter and Shaker G...

Страница 16: ...g 1 Crankcase Group 12 4 Fig 2 Oil Pan Group 12 6 Fig 3 Cylinder Head Group 12 7 Fig 4 Gear Case Group 12 8 Fig 5 Main Bearing Case Group 12 10 Fig 6 Inlet Manifold Group 12 11 Fig 7 Valve Rocker Arm Group 12 12 Fig 8 Head Cover Group 12 14 Fig 9 Piston and Crankshaft Group 12 16 Fig 10 Camshaft Group 12 18 Fig 11 Flywheel Group 12 19 Fig 12 Nozzle Group 12 20 Fig 13 Fuel Camshaft Group 12 22 Fig ...

Страница 17: ...S 1 1 MACHINE SPECIFICATIONS 1 3 POWER TYPE 1 3 POWER TRAIN 1 3 STEERING 1 3 HYDRAULIC SYSTEM 1 3 BRAKING SYSTEM 1 4 SUSPENSION SYSTEM 1 4 SYSTEM FLUID CAPACITIES 1 4 GENERAL MACHINE DIMENSIONS CAPACITIES 1 4 MACHINE WEIGHTS 1 4 GENERAL MACHINE PERFORMANCE 1 4 MACHINE DIMENSIONS 1 5 ...

Страница 18: ...SPECIFICATIONS 1 2 275 SERIES II MM190 12 89 ...

Страница 19: ...en center type single spool Control valve multi level dump model side brush drive hopper lift hopper dump open center type two spool Control valve vacuum fan drive main brush drive open center type single spool solenoid operated Pump propelling variable displacement piston type 1 24 cu in 20 cc maximum displacement per revolution 11 8 gpm 45 L min 2200 rpm 14 2 gpm 54 L min 2650 rpm Propelling sys...

Страница 20: ...dump model 96 in 2440 mm Length multi level dump model 98 in 2490 mm Width low dump model 56 in 1420 mm Width multi level dump model 59 in 1500 mm Height 52 in 1320 mm Height with overhead guard 79 in 2005 mm Height with overhead guard and hazard lamp 85 in 2160 mm Height with cab 77 in 1955 mm Height with cab and hazard lamp 83 in 2110 mm Track 46 in 1170 mm Wheelbase 38 in 965 mm Main brush diam...

Страница 21: ...CATIONS 1 5 275 SERIES II MM190 12 89 MACHINE DIMENSIONS 96 in 2440 mm 56 in 1420 mm Low Dump Model 59 in 1500 mm Multi Level Dump 52 in 1320 mm 98 in 2490 mm Multi Level Dump Model Low Dump Model Model 02452 ...

Страница 22: ...SPECIFICATIONS 1 6 275 SERIES II MM190 12 89 ...

Страница 23: ...PPORT BAR 2 12 SCRUB BRUSH POSITION LEVER 2 13 SOLUTION FLOW KNOB 2 13 CIRCUIT BREAKERS 2 13 Page MACHINE OPERATION 2 14 NORMAL SWEEPING OPERATION 2 14 PRE START CHECKLIST 2 14 TO START MACHINE 2 14 TO SWEEP 2 15 POST OPERATION CHECKLIST ENGINE OPERATING 2 16 TO STOP MACHINE 2 16 POST OPERATION CHECKLIST ENGINE STOPPED 2 16 NORMAL SCRUBBING OPERATION 2 17 PRE START CHECKLIST 2 17 TO START MACHINE ...

Страница 24: ...OPERATION 275 SERIES II MM190 12 89 2 2 ...

Страница 25: ...lable use only new approved hydraulic fluid See Hydraulics in the Maintenance section 4 Check the engine oil level 5 Check the radiator coolant level WARNING Hot engine coolant Scalding can result Do not open radiator cap or service cooling system until radiator and engine is cool to the touch 6 Check the main brush adjustment as described in Brushes in the Maintenance section 7 Check the air pres...

Страница 26: ...02745 02746 MACHINE COMPONENTS MULTI LEVEL DUMP MODEL SHOWN A Hazard Light H Hopper Support Bar B Overhead Guard I Main Brush Access Door C Steering Wheel J Operator Seat D Engine Cover K Scrub Attachment E Hopper Cover L Front Access Door F Hopper Door M Solution Tank Covers G Side Brush ...

Страница 27: ...egee Up Squeegee Down Solution Flow Diesel Off Idle Fast 1 Fast 2 Engine Start Hopper Roll Out Hopper Roll In Out Hold Hopper Roll In Side Brush On Hopper Up Hopper Down Hopper Hold Headlights Hazard Light Main Brush Free Float Main Brush Down Main Brush Up Main Brush On Filter Shaker Filter Clogged Key Switch Side Brush Down Side Brush Up ...

Страница 28: ...OPERATION 275 SERIES II MM190 12 89 2 6 INSTRUMENT PANEL SYMBOLS cont Circuit Breaker 1 Circuit Breaker 2 Circuit Breaker 3 Circuit Breaker 4 Circuit Breaker 5 Circuit Breaker 6 Circuit Breaker 7 ...

Страница 29: ... Seat S Clogged Filter Lamp E Squeegee Switch T Engine Hour Meter F Water Valve Switch U Engine Coolant Temperature Gauge G Fuel Level Gauge V Horn Button H Throttle Lever W Engine Oil Pressure Gauge I Hazard Light Switch X Battery Condition Gauge J Engine Choke Knob Y Ignition Switch K Drive Lights Switch Z Side Brush Position Lever L Diesel Preheat Indicator AA Hopper Support Bar M Diesel Prehea...

Страница 30: ...he switch controls the position of the rear squeegee To raise the rear squeegee place the switch in the top Squeegee Up position To lower the rear squeegee place the switch in the bottom Squeegee Down position WATER VALVE SWITCH The water valve switch is present on machines equipped with the scrub attachment accessory The switch controls solution flow to the floor The solution flow knob mounted on...

Страница 31: ...ly fifteen to thirty seconds Then release pushbutton and start engine HOPPER DUMP LEVER The hopper dump lever is present on multi level dump model machines The lever controls the rotation of the hopper into the dump position To dump the hopper raise the hopper to the desired height with the hopper lift and side brush lever Then push the hopper dump lever forward into the Hopper Roll Out position T...

Страница 32: ...H HEIGHT ADJUSTMENT KNOB A Wing Nut B Adjustment Knob STEERING WHEEL The steering wheel controls the rear wheel through an arm and tie rod The machine is very responsive to steering wheel movements Use care until you become more experienced in guiding the machine A horn button is located in the center of the steering wheel MAIN BRUSH VACUUM FAN AND FILTER SHAKER SWITCH The main brush vacuum fan an...

Страница 33: ...ne and LPG powered machines To start the engine turn the key fully clockwise Release the key as soon as the engine starts NOTE Do not operate the starter motor for more than 10 seconds at a time or after the engine has started Allow the starter to cool between starting attempts The starter may be damaged if it is operated incorrectly Diesel powered machine Turn the partially clockwise to turn the ...

Страница 34: ...rm pin or cam rests on the support bar 5 Turn the engine off 6 Check the support bar to make sure it is securely engaged TO DISENGAGE HOPPER SUPPORT BAR 1 Start the engine 2 Raise the hopper to the fully raised position 3 Place the support bar in its storage position A 02489 DISENGAGED HOPPER SUPPORT BAR LOW DUMP MODEL A Support Bar A 02450 DISENGAGED HOPPER SUPPORT BAR MULTI LEVEL DUMP MODEL A Su...

Страница 35: ...solution flow switch is used to start and stop solution flow To increase solution flow pull the knob out To decrease solution flow push the knob in Pushing the knob all of the way in will stop solution flow CIRCUIT BREAKERS Circuit breakers are resetable circuit protection devices designed to stop the flow of current in the event of a circuit overload Once tripped circuit breakers must be allowed ...

Страница 36: ...ents 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 and slowly open the valve once again Diesel powered machines Push the d...

Страница 37: ...steering wheel too sharply when the machine is in motion The machine is very responsive to the movement of the steering wheel Avoid sudden turns except in emergencies Sweep as straight a path as possible Avoid bumping into posts or scraping the sides of the sweeper Speed up the engine from Fast 1 to Fast 2 when light litter is to be picked up This will improve both litter pickup and hopper loading...

Страница 38: ...p model machines Pull the hopper dump lever into the Hopper Roll In position to return the hopper to its normal angle then release the lever 6 Push the hopper lift and side brush lever into the Hopper Down position to return the hopper to its operating position 7 Slowly back the machine away from the dump site or dumpster POST OPERATION CHECKLIST ENGINE OPERATING Check brush patterns for width and...

Страница 39: ...t 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 and slowly open the valve once again Diesel powered machines Push the diesel preheat pushbutton until the preheat indicator glows brightly 2 T...

Страница 40: ...tions Always raise the rear squeegee before backing machine 1 Stop the engine and set the machine parking brake before filling solution tanks FOR SAFETY Before leaving or servicing the machine stop on level surface set parking brake and turn off machine 2 Open the solution tank covers 3 Pour the required amount of detergent into the solution tanks Fill the tanks with water 4 Start and drive the ma...

Страница 41: ...in the bottom position 3 Pull the main brush position lever into the Main Brush Up position and the scrub brush position lever in the raise position Move the side brush position lever into the Side Brush Up position 4 Move the hopper lift and side brush lever to the Hopper Down position to stop the side brush rotation Place the main brush vacuum fan and filter shaker switch in the middle position ...

Страница 42: ...m wand accessory gives the machine the added flexibility of picking up debris not accessible by the machine A 120 in 3050 mm hose utilizes the machine vacuum system TO OPERATE VACUUM WAND 1 Stop the machine close to the area to be cleaned 2 Move the main brush position lever into the Main Brush Up position Move the side brush position lever to the Side Brush Up position 3 Stop the engine and set t...

Страница 43: ...ackets and latch to hold the vacuum door open Multi level dump models Pull the vacuum door open The spring will keep the door open 17 Close the hopper inspection door HOPPER DOLLY The hopper dolly accessory makes the job of removing the low dump model debris hopper easy It also is used to store the hopper when it is not mounted on the machine TO REMOVE HOPPER WITH DOLLY 1 Empty debris hopper 2 Sto...

Страница 44: ... servicing the machine stop on level surface set parking brake and turn off machine 2 Roll the hopper into position in the machine 3 Position the lift arm pins in the lift arm slots Push the lift arm hooks over the pins A B 02752 LIFT ARM HOOK A Pin B Hook 4 Start the engine raise the hopper and place the hopper lift and side brush lever in the Hopper Hold position 5 Stop the engine 6 Roll the hop...

Страница 45: ...E HOPPER WITH DOLLY 2 Stop the engine and set the machine parking brake FOR SAFETY Before leaving or servicing the machine stop on level surface set parking brake and turn off machine 3 Position top lift arm cams vertically 4 Position the scrub attachment rear left cam locking bracket in the top position A 02756 LOCKING BRACKET A Locking Bracket 5 Roll the scrub attachment into position in the mac...

Страница 46: ...et and tighten the cam bolt 12 Push the rear of the scrub attachment down so the left side cam locking bracket contacts the bottom lift arm cam Snug the top lift arm cam up to the locking bracket and tighten the left hand threaded cam bolt 13 Connect the wire harness connectors and vacuum hoses between the scrub attachment and the machine 14 Disconnect the hydraulic hose from the front of the quic...

Страница 47: ...under the pin keeper and release the keeper A B C D 02757 SECURING SQUEEGEE RETAINING PINS A Bracket B Retaining Pin C Pin Keeper D Squeegee Assembly 20 Connect the squeegee assembly chain to the chain hook A B C 02758 SQUEEGEE ASSEMBLY CHAIN A Chain B Hook C Squeegee Assembly 21 Replace the side brush with a scrubbing side brush as described in TO REPLACE SIDE BRUSH 22 Replace the main brush with...

Страница 48: ...egee assembly retaining pins Release the pin keeper 5 Slide the squeegee assembly out from the machine 6 Disconnect the small diameter hose from the quick disconnect coupling on the machine Replace the coupling plug NOTE Wipe all dirt and oil from couplings before making connections to avoid hydraulic system contamination 7 Disconnect the large diameter hose from the quick disconnect station 8 Dis...

Страница 49: ...ts storage location 17 Replace the side scrub brush with a sweeping variety side brush as described in TO REPLACE SIDE BRUSH 18 Replace the main brush with a sweeping variety main brush as described in TO REPLACE MAIN BRUSH 19 Check the rear tire pressure It should be 80 5 psi 550 35 kPa for sweeping SNOW BLADE The snow blade accessory gives the machine the added flexibility to remove snow from wa...

Страница 50: ...ction in future plowing Choose the proper plowing speed The heavier the snow the slower the speed The snow blade should be set at the best angle for rolling the snow sideways and in the desired direction Snow of any considerable depth cannot be pushed straight ahead for more than a short distance For best operation the bottom edge of the snow blade should be slightly above the ground If adjustment...

Страница 51: ...h less snow more A suggested method of plowing is as follows Make the first pass one blade width in from the outside edge Make the second pass around the outside edge moving the snow to the edge of the area then keep moving in Double the blade width from edge of the snow covered area and move this amount to the outside edge TO REMOVE SNOW BLADE 1 Drive the machine to the snow blade storage area 2 ...

Страница 52: ...LLY 2 Raise and chain up the front bumper if present and the side brush arm 3 Position the broom mounting frame lift pins in the lift arm slots Push the lift arm hooks over the pins A B C D 02759 LIFT ARM HOOK A Pin B Hook C Mounting Frame D Limiting Chain 4 Position the upper ends of the mounting frame over the cams 5 Secure each upper end of the mounting frame to the cam with a spacer and bolt p...

Страница 53: ...t Arm C Support Arm D Clevis Pin E Snow Broom Frame F Hex Set Screw G Mounting Frame H Limiting Chain 10 Disconnect the hydraulic hose from the front of the quick disconnect station 11 Connect the hoses from the snow broom to the quick disconnect station ports upper hose on snow broom to the engine side port lower hose to operator side port A B C D 02781 CONNECTED SNOW BROOM HOSES A Operator Side ...

Страница 54: ... being diverted to the snow broom Begin sweeping early and often Do not allow snow to accumulate or to become packed and frozen The snow broom becomes ineffective in snow deeper than 4 in 100 mm Slow down in deep snow Snow is thrown at an angle The deeper the snow the steeper the angle When the snow is deep it is carried over the top of the broom Although this snow can be swept slow down so the br...

Страница 55: ... 5 Reconnect the hose from the machine to the operator side port of the quick disconnect station to reengage the main brush motor A B 02755 RECONNECTED HOSE A Operator Side Port B Hydraulic Hose 6 Disconnect the two limiting chains from the machine frame A B C 02759 LIMITING CHAIN A Pin B Hook C Limiting Chain 7 Remove the upper ends of the mounting frame from the lift arm cams 8 Tilt the lift arm...

Страница 56: ...r no vacuum to brush compartment Poor sweeping performance Brush bristles worn Replace brushes Brushes not adjusted properly Adjust brushes Debris caught in brush drive Free mechanism of debris mechanism Main brush drive failure See HYDRAULIC SYSTEM TROUBLESHOOTING Main brush turns slowly or not at all Side brush drive failure See HYDRAULIC SYSTEM TROUBLESHOOTING Side brush turns slowly or not at ...

Страница 57: ...e Replace hose damaged Little or no solution flow Solution tank empty Fill solution tank to floor Water valve cable broken or Replace and or adjust cable out of adjustment Solution supply lines and Flush solution supply lines spreader tube clogged spreader tube Water valve switch in off position Move switch to on position Water valve solenoid failure Clean or replace solenoid valve Solution flow k...

Страница 58: ... hopper 2 Stop the engine and set the machine parking brake FOR SAFETY Before leaving or servicing the machine stop on level surface set parking brake and turn off machine 3 Block the tires which are not being jacked up in order to secure the machine position WARNING Machine is unstable on jack Block machine tires before jacking machine up 4 Use a jack of adequate capacity to raise the machine Jac...

Страница 59: ...ay be tied down at each of the corners of the main frame using tie down brackets supplied in the tie down kit When transporting the machine on a trailer or in a truck be sure to engage the machine parking brake and block the machine tires to prevent the machine from rolling ...

Страница 60: ...igh tension coil wire and spark plugs 5 Drain the gasoline from the carburetor bowl by removing the carburetor anti diesel solenoid 6 Replace the carburetor drain plug 7B Gasoline and LPG powered machines To store the machine for more than 90 days to 6 months 1 Remove the spark plugs 2 Pour 3 oz 90 cc of clean engine oil into each spark plug hole 3 Remove the ignition coil high tension wire Operat...

Страница 61: ...CTION INDICATOR 3 20 AIR FILTER 3 21 TO REPLACE AIR FILTER ELEMENT 3 21 FUEL SYSTEM GASOLINE 3 23 FUEL FILTER 3 23 CARBURETOR 3 23 Page FUEL SYSTEM LPG 3 23 LPG FUEL SYSTEM 3 23 FUEL TANKS 3 24 TO CHANGE AN LPG FUEL TANK 3 25 FUEL FILTER LOCK 3 26 VAPORIZER REGULATOR 3 26 CARBURETOR 3 26 OIL PRESSURE SWITCH 3 26 LPG FUEL TROUBLESHOOTING 3 27 FUEL SYSTEM DIESEL 3 28 DIESEL FUEL SYSTEM 3 28 FUEL WAT...

Страница 62: ...H 3 50 TO REPLACE SIDE BRUSH 3 51 SKIRTS AND SEALS 3 52 HOPPER LIP SKIRTS 3 52 TO REPLACE HOPPER LIP SKIRTS 3 52 BRUSH DOOR SKIRTS 3 53 TO REPLACE AND ADJUST BRUSH DOOR SKIRTS 3 53 REAR SKIRTS 3 54 TO REPLACE AND ADJUST THE REAR SKIRTS 3 54 MAIN BRUSH DOOR SEALS 3 55 HOPPER SEALS 3 55 HOPPER INSPECTION DOOR SEAL 3 55 HOPPER DOOR SEALS 3 56 HOPPER COVER SEAL 3 56 HOPPER VACUUM FAN SEAL 3 56 Page BR...

Страница 63: ...h pattern for correct brush adjustment 2 Gasoline and LPG powered machines below serial number 006500 Check engine ignition timing 3 Gasoline and LPG powered machines below serial number 006500 Torque the cylinder head bolts to the proper specification 4 Torque the rear wheel nuts 5 Perform all 50 hour interval lubrication and maintenance procedures listed in the Maintenance Chart ...

Страница 64: ...nd 5 adjustment 5 Main brush Check for damage wear and 1 adjustment 4 Side brush Check for damage wear and 1 adjustment 21 Fuel water trap filter Drain water 1 diesel Scrub attachment Check squeegee for damage 1 wear and adjustment Check scrub brush for damage 1 wear and adjustment 50 Hours 18 Engine crankcase Change oil and filter element EO 1 5 Main brush Rotate end for end 1 100 Hours 22 Hopper...

Страница 65: ...Check and adjust valve 8 For machines serial clearance number 006500 and Check and adjust idle speed 1 above Check and adjust carburetor 1 idle mixture Clean or replace and adjust 4 spark plugs Replace PCV valve Clean PCV hoses tubes and fittings 2 Front wheel bearings Inspect and lubricate MPGP 2 9 Hydraulic fluid reservoir Change hydraulic fluid HYDO 1 17 Hydraulic fluid filter Change filter ele...

Страница 66: ...OSITY OILS Below 32_F 32_ to 77_ F Above 77_ F Below 0_C 0_ to 25_ C Above 25_ C 10W 20 30 10W 30 The engine oil capacity is 7 qt 6 7 L including the oil filter STEERING GEAR The steering gear controls the steering arm A square head plug has been provided on the left side of the steering gear to check the grease level and to allow filling Check the steering grease level after every 400 hours of op...

Страница 67: ...istant lithium base moly disulphide EP grease or a paraffin base grease with organic thickener A B C 02478 LEFT SIDE HOPPER LIFT BEARING A Left Side Access Door B Grease Fitting C Lift Bearing HOPPER DOOR LATCHES The hopper door latches latch the hopper door on multi level dump model machines Two grease fittings are used to lubricate the hopper door latches One grease fitting is on each of the lat...

Страница 68: ... grease or a paraffin base grease with organic thickener A B 02754 LEG CASTER A Leg B Grease Fitting SCRUB ATTACHMENT DEBRIS HOPPER The scrub attachment debris hopper collects debris picked up by the scrub brushes The debris hopper pivots on two bearings Each bearing is equipped with a grease fitting Lubricate the bearings with a grease gun after every 200 hours of operation Use a multi purpose wa...

Страница 69: ...Use the HP2060 rated hydraulic fluid in areas which have ambient temperatures above 90_ F 32_ C ATTENTION If a locally available hydraulic fluid is preferred or if products of only one oil company are used the hydraulic fluid used must match closely the viscosity specifications given in the chart for TENNANTr Hydraulic Fluid as well as the other features described Do not substitute automatic trans...

Страница 70: ... into the reservoir to filter hydraulic fluid before it enters the system Replace the strainer after every 800 hours of operation TO DRAIN HYDRAULIC FLUID RESERVOIR AND REPLACE FILTER ELEMENT 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 Allow the hydraulic fluid to cool 3 Unthread a...

Страница 71: ...The machine propelling pump is a variable displacement hydraulic piston pump It is driven by the engine via a chain coupling The machine accessories pump is a hydraulic gear pump It is tandem mounted to the hydraulic piston pump After repairing or replacing a hydraulic pump or when system contamination is likely change the hydraulic fluid in the reservoir and the hydraulic fluid filter DIRECTIONAL...

Страница 72: ...nd release it The rear wheel should stop rotating as soon as the pedal is released Stop the engine and adjust the spring bracket as required 7 Move the directional pedal into the reverse position and release it The rear wheel should stop rotating as soon as the pedal is released Stop the engine and adjust the spring bracket as required 8 Tighten the jam nuts 9 Adjust the directional pedal linkage ...

Страница 73: ... adjust the maximum limited speed loosen the roller bearing nut reposition the roller bearing in its mounting slot and tighten the nut A B C D 02483 SPEED LIMITER BEARING A Speed Limiter Bearing B Retaining Nut C Pump Linkage D Lift Arm Cam HYDRAULIC FLUID LEAKS Fluid escaping at high pressure from a very small hole can be almost invisible and can cause serious injuries Use a piece of cardboard or...

Страница 74: ...MAINTENANCE 3 14 275 SERIES II MM190 12 89 04644 HYDRAULIC SCHEMATIC LOW DUMP MODEL ...

Страница 75: ...MAINTENANCE 3 15 275 SERIES II MM190 12 89 04645 HYDRAULIC SCHEMATIC MULTI LEVEL DUMP MODEL ...

Страница 76: ... on off switch S 4 failure Replace switch Hydraulic valve failure See HYDRAULIC COMPONENTS TROUBLESHOOTING Solenoid valve failure Hydraulic motor failure See HYDRAULIC COMPONENTS TROUBLESHOOTING Hydraulic motor failure Gear pump failure See HYDRAULIC COMPONENTS TROUBLESHOOTING Hydraulic gear pump Electric lift arm switch S 9 failure Adjust or replace switch Thermo Sentryt tripped Reset or replace ...

Страница 77: ...ONENTS failure TROUBLESHOOTING Hydraulic control valve failure Hydraulic orifice at lift Replace orifice cylinder plugged Lift cylinder failure See HYDRAULIC COMPONENTS TROUBLESHOOTING Hydraulic cylinder failure Hopper overloaded Empty hopper Lift arms binding Replace and or adjust lift arm linkage Gear pump failure See HYDRAULIC COMPONENTS TROUBLESHOOTING Hydraulic gear pump Hopper will not lower...

Страница 78: ... leaking valve cartridge Hydraulic motor failure Motor leaking Install seal kit Drive link failure Replace drive link Gerotor worn Replace gerotor set Output shaft failure Replace output shaft and bearings Hydraulic gear pump Pump leaking Install seal kit failure Gear set failure Replace gear set Shaft failure Replace gear set Flow divider failure Replace back plate assembly Engine to pump couplin...

Страница 79: ... clean water mixed with permanent type ethylene glycol antifreeze in a one to one ratio to fill the cooling system Deposits of sludge scale and rust prevent normal heat transfer Flush the radiator and the cooling system after every 800 hours of operation with a cleaning compound Follow the mixing procedure recommended by the compound manufacturer This is important because of the difference in conc...

Страница 80: ...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 filter is removed for servicing Do not neglect servicing the air filter Use only approved replacement parts Keep all other air intake components secure and in good condition to prevent entrance ...

Страница 81: ... times Service the air filter element only when the restriction indicator indicates excessive restriction in the system Do not remove the air filter element unless it is restricting air flow TO REPLACE AIR FILTER ELEMENT 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 Open the left sid...

Страница 82: ...filter Clean and inspect the seals on the ends of the element They should be unbroken and flexible Remember the element must be replaced after it has been cleaned three times A B 03500 INSPECTING AIR FILTER ELEMENT A Bright Light B Filter Element 11 Install the new or cleaned filter element so the fins on the element are at the intake end of the air cleaner Use care so the fins are not damaged Mak...

Страница 83: ...uid LPG fuel flows from the LPG tank under its own pressure to the pressure relief valve This valve is normally closed preventing LPG fuel from escaping into the atmosphere The valve opens to relieve pressure if the fuel pressure exceeds system limits From the pressure relief valve the liquid LPG fuel is piped to the fuel filter lock The fuel filter lock filters unwanted tank scale and deposits ou...

Страница 84: ... sharp edges exhaust manifolds or other hot surfaces Check for signs of abrasion or deterioration Replace hoses found to be worn or damaged FUEL TANKS The LPG fuel tanks should be inspected for sharp dents gouges leaks 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 deb...

Страница 85: ... shut off valve on the tank must be closed except when the engine must be operated The tank changing operation presents an opportunity for the machine operator to carefully observe the tank fittings and the fuel lines and fittings for his own satisfaction If abnormal wear is detected the operator should report it to the appropriate personnel for action TO CHANGE AN LPG FUEL TANK 1 Park the machine...

Страница 86: ...t if diminished gas flow indicates the filter is clogged A drain plug is provided for purging the filter bowl Clean out the bowl when replacing the filter pack VAPORIZER REGULATOR If any malfunction is noted completely disassemble the vaporizer regulator Clean all of the parts in alcohol Inspect all of the parts and replace where needed Carefully reassemble the vaporizer regulator with the seal re...

Страница 87: ...e Oil pressure switch failure Replace oil pressure switch Fuel lock valve failure Repair or replace fuel filter lock Vaporizer regulator failure Repair or replace vaporizer regulator Engine runs unevenly Wrong type of fuel Replace vapor withdrawal tank or lacks power tank vapor withdrawal tank with liquid withdrawal tank Plugged fuel filter Replace filter Kinked or restricted fuel line Straighten ...

Страница 88: ...Drain the water trap of water daily To drain the water trap loosen the drain knob on the bottom of the unit First water then diesel fuel will drain Tighten the drain knob when diesel fuel appears Replace the fuel filter element and clean the water trap after every 400 hours of operation TO REPLACE FUEL FILTER ELEMENT 1 Stop the engine and set the machine parking brake FOR SAFETY Before leaving or ...

Страница 89: ...cess doors GOVERNOR GASOLINE LPG For machines below serial number 006500 The governor controls engine speed It is driven by a belt which spans the crankshaft sheave The governor is oil filled It requires no regular inspections Change the oil when performing major engine work Use an SAE rated 10W30 or 10W40 engine oil A B C D E F G H 02460 GOVERNOR A High Speed Stop Screw B Oil Fill Plug C Low Spee...

Страница 90: ...nt GOVERNOR GASOLINE LPG For machines serial number 006500 and above The electronic governor controls engine speed The governor consists of an ignition control assembly and control box located in front of the engine air cleaner and an actuator mounted on the engine The ignition control box regulates the actuator which in turn controls the throttle The electronic governor is factory set and is not ...

Страница 91: ...ereafter To check and adjust the ignition timing with a scope refer to the scope manufacturer s instructions To check and adjust the timing with a timing light proceed as follows TO CHECK AND ADJUST IGNITION TIMING For machines below serial number 006500 NOTE Dwell angle must be correct or timing will not be accurate 1 Stop the engine and set the machine parking brake FOR SAFETY Before leaving or ...

Страница 92: ...to 11 ft lb 10 to 15 Nm then to 30 to 37 ft lb 40 to 50 Nm then to 60 to 66 ft lb 80 to 90 Nm and then after ten to fifteen minutes torque to 74 to 81 ft lb 100 to 110 Nm Tighten the intake manifold bolts to 15 to 18 ft lb 20 to 24 Nm after every 800 hours of operation 1 2 3 4 5 6 7 8 9 10 03532 CYLINDER HEAD BOLT TIGHTENING SEQUENCE The cylinder head bolts must be retorqued after the engine is pu...

Страница 93: ... with a feeler gauge after aligning each cylinder on the compression top dead center stroke Adjust them with the engine cool to 0 0071 to 0 0087 in 0 18 to 0 22 mm in the firing order 1 2 3 CRANKCASE VENTILATION SYSTEM Clean the crankcase ventilation hoses tubes and fittings and replace the PCV valve after every 400 hours of operation TUNE UP CHART GASOLINE LPG Idle speed no load 950 50 rpm Fast 1...

Страница 94: ...op of the battery as they may cause a short circuit Replace worn or damaged wires The electrolyte level in regular nonsealed batteries can be checked 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...

Страница 95: ...MAINTENANCE 3 35 275 SERIES II MM190 12 89 04642 ELECTRICAL SCHEMATIC GASOLINE LPG For machines below serial number 006500 ...

Страница 96: ...MAINTENANCE 3 36 275 SERIES II MM190 12 89 04642 ELECTRICAL SCHEMATIC GASOLINE LPG For machines serial number 006500 and above ...

Страница 97: ...MAINTENANCE 3 37 275 SERIES II MM190 12 89 04643 ELECTRICAL SCHEMATIC DIESEL ...

Страница 98: ...MAINTENANCE 3 38 275 SERIES II MM190 12 89 04642 ELECTRICAL SCHEMATIC ACCESSORIES ...

Страница 99: ...MAINTENANCE 3 39 275 SERIES II MM190 6 90 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...

Страница 100: ...MAINTENANCE 3 40 275 SERIES II MM190 6 90 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...

Страница 101: ...006500 The governor belt is driven by the crankshaft sheave and spans the fan drive sheave Check and adjust the belt tension after every 200 hours of operation To adjust belt tension loosen the belt idler mounting bolts Pull the idler away from the machine until the belt is snug then tighten the bolts Do not use a pry bar as it may damage the engine Proper belt tension is obtained when the belt de...

Страница 102: ...osite the direction of the arrows This may be done with the dust filter in the machine Always wear eye protection when using compressed air WATER Soak the dust filter in a water and mild detergent solution Rinse the dust filter until it is clean The maximum water pressure allowable is 40 psi 275 kPa Air dry the wet dust filter do not use compressed air NOTE Be sure the dust filter is dry before re...

Страница 103: ...adjustments have been made at the factory and require no regular maintenance If the hopper components are repaired or replaced the hopper must be readjusted for best performance The hopper adjustments must be made in the order given Make all adjustments with the engine off and parking brake engaged If the adjustments are made with the hopper raised be sure to engage the hopper support bar TO ADJUS...

Страница 104: ...the center of each of the torque shafts to the floor with the hopper in the operating position A B 00593 TORQUE SHAFT HEIGHT A Torque Shaft B Measured Distance The distance measured should be 6 43 0 12 in 160 5 mm To adjust the height remove one or both of the splined lift arm cams and rotate it or them until the proper dimension is achieved The cams must rest on the sloping edge of the lintel A B...

Страница 105: ... Hopper Lift Arm E Tighten the hexagon hopper cam bolts F Reconnect the dump cylinder clevises to the torque arms with the clevis pins removed earlier 4 DUMP CYLINDERS ADJUSTMENT A Start the engine and completely retract the dump cylinders B Stop the engine FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake and turn off machine C Loosen the cylinder clevis jam n...

Страница 106: ...ing action by adjusting latch stop bolt Do not position stop bolt too high or the door will close too tightly and damage the seal and latches A B C 02484 LATCH STOP BOLT A Lift Arm B Stop Bolt C Hopper E Shim the hopper door latching brackets to adjust the hopper door latch engagement and hopper door seal compression Do not compress the seal too much or the door will close too tightly and damage t...

Страница 107: ...Rod D Stabilizer Leg D Thread the clevis onto the threaded rod to raise the stabilizer leg or thread the clevis off the threaded rod to lower the stabilizer leg E Tighten the jam nut against the clevis F Raise the hopper disengage the hopper bar and lower the hopper G Check the position of the stabilizer leg Readjust as required THERMO SENTRYt The Thermo Sentryt is a thermostat that senses the tem...

Страница 108: ...ngth TO REPLACE MAIN BRUSH 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 Place the main brush position lever in the Main Brush Down position 3 Open the right side main brush door 4 Remove the brush idler arm retaining bolt from the arm hub A B C 00599 REMOVING BRUSH IDLER ARM A Brush...

Страница 109: ...ide brush and main brush raised position the main brush over the chalked area 3 Place the hopper lift and side brush lever into the Side Brush On position and the main brush vacuum fan and filter shaker switch into the bottom Main Brush On position 4 Place the main brush position lever in the Main Brush Down position for 15 to 20 seconds while keeping a foot on the brakes to keep the machine from ...

Страница 110: ...m the top Tighten the locking wing nut and recheck the main brush pattern Repeat the procedure until the main brush pattern is within the specified range A B 00563 MAIN BRUSH HEIGHT ADJUSTMENT KNOB A Height Adjustment Knob B Wing Nut SIDE BRUSH The side brush sweeps debris from curbs or gutters into the path of the main brush It should be inspected daily for wear or damage Remove any string or wir...

Страница 111: ...he 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 4 Place the side brush position lever in the Side Brush Up position 5 Remove the side brush retaining pin from the side brush hub and shaft by pulling the pin keeper off over the end of the pin A B 02485 SIDE BRUSH A Side Brush B Retaining Pin 6 Sl...

Страница 112: ...hopper support bar and lower the hopper onto the hopper support bar WARNING Falling hopper Engage hopper support bar before working under hopper 4 Stop the engine FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake and turn off machine 5 Remove the hopper lip retaining strip mounting bolts A B C 00604 HOPPER LIP SKIRTS A Hopper Lip Side Skirt B Retaining Strip C ...

Страница 113: ...set parking brake and turn off machine 3 Open the main brush doors 4 Remove the brush door skirt retaining bolts A B C 00570 BRUSH DOOR SKIRT A Brush Door Skirt B Skirt Retaining Strip C Brush Door 5 Remove the skirt retaining strip and the door skirt 6 Position the new door skirt and skirt retaining strip on the brush door 7 Thread the skirt retaining bolts through the brush door the door skirt a...

Страница 114: ...cribed in TO REPLACE MAIN BRUSH A B C C D 00606 REAR SKIRTS A Brush Idler Arm Hub B Skirt Mounting Bracket C Rear Floor Skirt D Brush Contact Skirt 5 Remove the skirt mounting bracket and the brush contact skirt 6 Remove the rear floor skirt from the skirt mounting bracket 7 Thread the rear floor skirt retaining strip mounting bolts through the retaining strip the new rear floor skirt and into the...

Страница 115: ...cated on the top and side portions of the machine frame which contact the hopper They seal the main brush compartment The seals should be inspected for wear or damage after every 100 hours of operation A B C 02457 HOPPER SEALS A Side Seal B Seal Retaining Strip C Top Seal HOPPER INSPECTION DOOR SEAL The hopper inspection door seal is located on the hopper inspection door on low dump model machines...

Страница 116: ... every 100 hours of operation A B 02482 HOPPER COVER SEAL A Hopper Cover B Cover Seal HOPPER VACUUM FAN SEAL The hopper vacuum fan seal is mounted to the lintel on multi level dump model machines It seals the hopper filter compartment to the vacuum fan intake bracket The seal should be checked for wear or damage after every 100 hours of operation Check to make sure that the seal is making good con...

Страница 117: ...t the brake linkage so that the brake pedal travels no more than 1 in 25 mm to fully engage the brakes If the brake pedal travels more than 1 in 25 mm it indicates the brake clevises are not adjusted the same Readjust as necessary 9 Reinstall the brake clevis pins 10 Start the engine and raise the hopper 11 Lower the hopper bar 12 Lower the hopper and stop the engine 13 Remove the machine tire blo...

Страница 118: ...he spreader tube Before cleaning the solution spreader tube make sure that the cable controlled flow rate valve is opening fully when the solution flow knob is pulled out A brush and hot water may be needed to remove stubborn clogs A sharp instrument may be used to clear the small distribution holes in the spreader tube A B C 02769 SPREADER TUBE A Recovery Tank B Spreader Tube C Distribution Holes...

Страница 119: ...e drive hub A B C 02770 REMOVING SCRUB BRUSH A Bracket B Idler Arm C Scrub Brush 6 Align the scrub brush drive slots with the drive keys on the drive nuts 7 Slide the scrub brush onto the drive hub 8 Slide the idler hub onto the scrub brush and arm bracket 9 Secure the idler arm with nut 10 Check and adjust scrub brush pattern as described in TO CHECK AND ADJUST SCRUB BRUSH PATTERN TO CHECK AND AD...

Страница 120: ...he brush A B 00582 NORMAL SCRUB BRUSH PATTERN A Scrub Brush Pattern B 2 in 50 mm To adjust the width of the pattern adjust the position of the lift linkage clevis on the threaded stud Thread the stud into the clevis to decrease the width Thread the stud out of the clevis to increase the width A B 02747 LIFT LINKAGE A Clevis B Stud If the brush pattern is tapered more than 0 25 in 5 mm the scrub br...

Страница 121: ...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 Open the front access door 3 Remove the drain hose from its retention plug and lower it to a floor drain NOTE The tank will not empty with the vacuum fan operating A B C 02748 DRAIN HOSE A Retention Plug B Drain Hose C Front Access Door TO CLEAN...

Страница 122: ...ebris hopper to draw water solution out of the debris collected in the hopper The debris hopper should be emptied whenever the recovery tank is drained It should be sprayed clean daily To empty the debris hopper raise the scrub attachment with the hopper lift and side brush lever The debris will empty as the unit is lifted and tilted back A B 02754 DEBRIS HOPPER A Vacuum Hose B Debris Hopper The d...

Страница 123: ...etaining Pin D Chain E Hook 3 Pull the pin keeper out and remove the two squeegee assembly retaining pins Release the pin keeper 4 Slide the squeegee assembly out of the machine 5 Remove the five squeegee retaining bolts from the squeegee assembly 6 Remove the squeegee blade from the squeegee frame 7 Position a new squeegee blade on the squeegee frame 8 Secure the blade with the blade retainer and...

Страница 124: ...ress the squeegee switch into the Squeegee Down 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 and turn off machine 3 Remove the retaining pin from each end of the squeegee Remove the end brackets A B C D 02773 REMOVING RETAINING PINS A Retaining Pin B End Bracket C Squeegee Blade D Band 4 Open the...

Страница 125: ...egee assembly from the squeegee cross bar A B C 04635 CROSS BAR A Cross Bar B Squeegee Frame Nut C Squeegee Assembly 5 Remove the retaining pins from each end of the squeegee Remove the end brackets A B C D 02773 REMOVING RETAINING PINS A Retaining Pin B End Bracket C Squeegee Blade D Band 6 Remove the hair cotter pin from the center of the front retaining band 7 Pull the retaining band back up st...

Страница 126: ...e FOR SAFETY Before leaving or servicing machine stop on level surface set parking brake and turn off machine 4 Check the squeegee It should contact the floor evenly side to side and deflect 0 88 in 20 mm for smooth floors and 1 5 in 40 mm for rough floors If not continue with step 5 A B 03719 SQUEEGEE DEFLECTION A Squeegee B Deflection NOTE The squeegee blades must be new or have a new wiping edg...

Страница 127: ...B Adjustment Bolt C Cross Bar 9 Adjust the squeegee deflection with the two squeegee adjustment studs To increase deflection increase down pressure by adjusting the stud forward A B C 04634 SQUEEGEE STUD A Squeegee B Stud C Jam Nut To decrease deflection decrease down pressure by adjusting the stud backward Loosen the jam nuts on both ends of the rods before making adjustments Tighten the jam nuts...

Страница 128: ...angled string or wire after each use Replace the snow broom when the remaining bristles measure 1 25 in 30 mm or less in length TO REPLACE SNOW BROOM 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 bolt holding the idler arm to the cross shaft A B C 02763 IDLER ARM A Cross S...

Страница 129: ...D BOLT TORQUE CHART 4 3 METRIC BOLT TORQUE CHART 4 3 BOLT IDENTIFICATION 4 3 THREAD SEALANT AND LOCKING COMPOUNDS 4 3 HYDRAULIC FITTING INFORMATION 4 4 HYDRAULIC TAPERED PIPE FITTING NPT TORQUE CHART 4 4 HYDRAULIC TAPERED SEAT FITTING JIC TORQUE CHART 4 4 HYDRAULIC O RING FITTING TORQUE CHART 4 4 ...

Страница 130: ...APPENDIX 275 SERIES II MM190 12 89 4 2 ...

Страница 131: ...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 260 352 336 455 M24 470 637...

Страница 132: ..._______________ 0 25 0 44 20 9 ft lb 12 Nm 0 38 0 56 18 20 ft lb 27 Nm 0 50 0 75 16 30 ft lb 41 Nm 0 62 0 88 14 40 ft lb 54 Nm 0 75 1 12 12 70 ft lb 95 Nm 1 0 1 31 12 90 ft lb 122 Nm HYDRAULIC O RING FITTING TORQUE CHART Tube Thread Minimum Maximum O D in Size Torque Torque ______________________________________________________________ 0 25 0 44 20 6 ft lb 8 Nm 9 ft lb 12 Nm 0 38 0 56 18 13 ft lb ...

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