Walker Rider Lawnmowers MB (18 HP) Owner'S Manual Download

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OWNER’S MANUAL

Safety, Assembly, Operating, and Maintenance Instructions

and ILLUSTRATED PARTS MANUAL

Model MB (18 HP)

Please Read and Save These Instructions

Effective Date: 12-15-05

For Safety, Read All Safety and Operation

P/N 4000-2

Instructions Prior to Operating Machine

Summary of Contents for MB (18 HP)

Page 1: ...rating and Maintenance Instructions and ILLUSTRATED PARTS MANUAL Model MB 18 HP Please Read and Save These Instructions Effective Date 12 15 05 For Safety Read All Safety and Operation P N 4000 2 Inst...

Page 2: ...rtant to your safety and must be read and understood to help prevent possible injury to the operator or others If anything in this manual is confusing or hard to understand please call our service dep...

Page 3: ..._______ 31 TRANSAXLE LOCKOUTS________________ 32 RECOMMENDATIONS FOR MOWING ______ 32 RECOMMENDATIONS FOR TILT UP DECK OPERATION TRANSPORT _______________ 33 Maintenance Instructions__________ 34 MAIN...

Page 4: ...eed Control Friction Adjustment 54 Tilt Up Deck Adjustable Stop ___________ 55 ELECTRICAL SYSTEM_________________ 55 Illustrated Parts Manual TRACTOR DECALS _____________________ 56 BODY CHASSIS ASSEM...

Page 5: ...and controls power from the ground drive belt to the main drive wheel LEFT HAND LH refers to the left hand side of the tractor when the operator is seated facing forward in the tractor seat POWER TAK...

Page 6: ...uring the limited warranty period it is important to find a local authorized servicing agent of the component manufacturer Any unauthorized work done on these components during the war ranty period ma...

Page 7: ...ICAL SYSTEM Battery 12 Volt 220 CCA Interstate PC12 80 Charging System Flywheel Alternator Charging Output 16 Amp DC Regulated System Polarity Negative Ground Ignition Magnetron Electronic Starter 12...

Page 8: ...e Peerless Model 1000 Gearboxes Blade Drive Clutch and Brake 12V Electrical Electromagnetic Clutch and Brake Switch Operated Stops Blades within Five 5 Seconds of Disengagement Max Blade Speed 22 in 5...

Page 9: ...64 cm Two 2 Clockwise Rotating Blades with a 2 in 5 cm Center Overlap 56 in 142 cm SD Model 20 in 51 cm Three 3 Clockwise Rotating Blades with a 2 in 5 cm Center Overlap Deck Suspension Torsion Flex F...

Page 10: ...ntrol FSC Friction Adjustment Deck Discharge Shield Deck Lift Handle Cutting Height Adjustment Deck Caster Wheels Tilt Up Latch Deck Support Arm Deck Support Arm Deck Support Pin and Height Adjustment...

Page 11: ...ion 9 Rear View and Left Side View Oil Dipstick PTO Belt Protective Cover Left Hand Drive Wheel Electric Clutch Fuel Filter Cylinder Head Cooling Fins Oil Fill Muffler Tailwheel Fork and Wheel Tailpip...

Page 12: ...Control Arm Oil Fill LH Tail Weight Fuel Pump LH Transaxle Lockout Rod RH Transaxle Expansion Reservoir and Hose RH Tail Weight Rubber Bumpers Body Support LH Transaxle Fuel Filter Negative Battery Ca...

Page 13: ...ct your authorized Walker Mower Dealer or call Walker Manufacturing Company at 970 221 5614 BEFORE OPERATING 1 Read and understand the contents of this Owner s Manual before starting and operat ing th...

Page 14: ...ine 11 Never attempt to make any adjustments while theengineis running except where spe cifically instructed to do so 12 The electrical system battery contains sulfuric acid Avoid any contact with ski...

Page 15: ...deck in tilt up position 16 In case of a clogged or plugged mower deck a Disengage the blade clutch PTO and turn the engine off before leaving the seat b LOOK to make sure blade drive shaft move ment...

Page 16: ...been factory set for maximum safe engine operating speed 10 Use genuine factory replacement parts Sub stitute parts may result in product malfunction and possible injury to the operator and or others...

Page 17: ...y are missing illegible or damaged a replacement should be ordered and installed before putting the machine into operation The Decal Part Number is listed below and in the Parts Section RH Fender 5802...

Page 18: ...ed before putting the machine into operation The Decal Part Number is listed below and in the Parts Section Parking Brake 7809 Center Body Behind Transaxles 9804 Front Body Adjacent to LH Steering Lev...

Page 19: ...e axle spacer tube through the wheel hub position the spacer washer on each side of the hub if used and fit the assembly into the wheel fork 3 Insert the 3 8 16 x 4 1 2 in bolt through the wheel fork...

Page 20: ...photo for location of deck support arm 2 Engage the deck carrier frame tube sockets on the tractor support arms refer to PTO Shaft Guard Installation photo for socket location Slide the deck onto the...

Page 21: ...s connected the weight on the deck caster wheels should be 15 to 25 Ib 6 8 to 11 3 kg Check this weight by lift ing on the front of the deck carrier frame If required the spring tension can be adjuste...

Page 22: ...3 Check the front to rear level Rotate the blades to point forward Measure the distance from blade tip to ground on the front and rear The rear of the blade should be 1 8 to 1 4 in 3 to 6 mm higher th...

Page 23: ...on someoftheseitems willnotneedto becheckedevery day butthe operatorshouldbeaware ofthe condition of each Body Rod in Engaged Position Body Rod in Stowed Position CHECK BODY ROD IN STOWED POSITION Che...

Page 24: ...Walker Dealer to perform this procedure CHECK SECURITY OF DRIVE TIRE MOUNT ING NUTS The eight 8 Drive Tire mounting nuts should each be torqued to 75 85 ft lbs 101 7 115 2 N m INSPECT TWO 2 DRIVE BELT...

Page 25: ...ructions ADJUST MOWER CUTTING HEIGHT IF RE QUIRED Position the hitch pins in the four deck support pins Refer to the Cutting Height Adjustment decal on the deck gearbox cover PERFORM ANY ADDITIONAL PR...

Page 26: ...O position for at least 60 seconds before making a restart attempt Prolonged cranking can damage the starter motor and shorten battery life Release the key when the engine starts and it will return t...

Page 27: ...urther the lever is advanced forward the faster the tractor moves It is not necessary to hold the FSC in position since the friction lock maintains the selected lever position Pulling back on the stee...

Page 28: ...e without the engine running e g for service Refer to TRANSAXLE LOCKOUTS in this section for operating instructions NOTE The transaxle lockout rods ends should be completely retracted against the body...

Page 29: ...Position Intermediate Ground Speed Position Neutral Park Position Idle Position ON Position OFF Position CHOKE Fast Throttle Position Operating Controls Top View from Drivers Point of View The Forward...

Page 30: ...ne to run smoothly as it warms up As soon as possible move the choke to the OFF position IMPORTANT Make sure the choke is in the OFF position during normal engine operation running with the choke in t...

Page 31: ...que Walker feature always PULL on the levers for steering or for reverse motion of the mower Learn to operate the mower with your left handon the steering levers and righthandon Forward Speed Control...

Page 32: ...belt and clutch life Use only moderate engine speed when engaging the blade clutch 2 Pull up the blade clutch toggle switch to engage the mower blades IMPORTANT DO NOT engage the blade clutch when tr...

Page 33: ...tting height is adjusted by positioning the four retainer hitch pins in a series of seven vertical holes on the deck support pins Lift handles have been provided on each end of the deck to assist in r...

Page 34: ...Normal Operating Position RECOMMENDATIONS FOR MOWING IMPORTANT Operate the engine at full speed when mowing to allow the engine to produce full horsepower and to increase efficiency of the engine cool...

Page 35: ...a slope reduce speed and use caution to start stop and maneuver Avoid sharp turns or sudden changes in direction The maximum recommended side slope operating angle is 20 degrees or 33 grade Maximum R...

Page 36: ...l Air Filter Foam Element x 42 Change Engine Crankcase Oil x 36 Change Engine Oil Filter x 36 Check Security of Drive Tire Mounting Nuts 75 85 ft lbs x 22 Clean Transaxle Cooling Fins x 43 Change Tran...

Page 37: ...ner housing allowing dirt to enter the engine Also af termarket filters often skimp on the filtration media and require more frequent cleaning and replace ment DO NOT overservice or frequently disturb...

Page 38: ...lean rag then reinsert the dipstick into the tube and press all the way down 4 Remove the dipstick again and check the oil level on the dipstick The oil level should be within the Operating Range on t...

Page 39: ...e correct vis cosity will aid starting in cold weather and assure proper lubrication in hot weather Fill to FULL mark on the dipstick crankcase capacity is 1 5 quarts 1 4 liters when changing oil and...

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Page 41: ...Maintenance Instructions LUBRICATION 39 3 4 5 7 7 8 9 10 13 16 17 18 6 1 2 4 7 6 7 9 12 18 23 21 24 22 20 19 15 1 2 11 12 14 21 20 Chassis and Deck Lubrication Points...

Page 42: ...y NOTE Since the gearboxes are connected as a unit by connector tubes it is necessary to add oil slowly Allow a few minutes after adding oil for the oil to flow throughout the assembly and the oil lev...

Page 43: ...unit for 1 2 minutes 12 If the transaxles sound noisy or have poor steer ing response recheck oil level in both transaxles by removing the elbows check oil level at fill opening 13 If oil needs to be...

Page 44: ...recommended Replace the element if it does not clean up with compressed air Use a bright light inside the element to inspect for damage Check the element very carefully for pin holes or other damage t...

Page 45: ...lean and free of obstruction is essential to avoid overheat ing the transmission fluid and shortening transmission life The cooling fins should be checked every 100 hours and cleaned if necessary To c...

Page 46: ...ssures shown below Deck Caster Wheel 20 PSI 137 kPa Drive 15 PSI 103 kPa Rear 20 PSI 137 kPa Sharpen Mower Blades Check mower blade s for straightness sharp ness condition of the cutting edge and bala...

Page 47: ...er and nut Tighten the nut to 60 ft lb 81 3 N m Drive Belts Raise the body and inspect the condition of the two 2 drive belts after every 25 hours of operation engine PTO drive and ground drive If the...

Page 48: ...two 2 years Blade Brake Action Check the function of the cutter blade brake by engaging the blade clutch PTO operating the engine at full throttle then disengaging the clutch and measuring how quickly...

Page 49: ...he belt off the pulley and remove the belt Remove Belt Guard Remove Bolts to Access Engine PTO Belt Push Idler Pulley to Relax Belt Idler Pulley Idler Arm Electric Clutch Idler Pulley Engine PTO Belt...

Page 50: ...hen release the idler Raise Idler Pulley to Relax Belt LH Transaxle Ground Drive Belt Tension Spring RH Transaxle Drive Pulley Idler Pulley Hydro Idler Arm Ground Drive Belt Assembly Disengaged 2 Reve...

Page 51: ...ve the blade and install new bolts Refer to CHECKING SERVICING in this section for Sharpen Mower Blades which describes the blade removal and installation procedure After reinstalling the blade check...

Page 52: ...up to form the wing tip refer to Mower Blade Pro file For Sharpening illustration in Sharpen Mower Blades instructions Since sand and abrasive ma terial can wear metal away in this area the blade shou...

Page 53: ...e not equal adjust accordingly The handles may or may not be even at this point NOTE The LH steering lever is non adjust able This procedure will require adjustment of the RH lever to make it even wit...

Page 54: ...turn the rod to attain the straight up position Tighten the jam nuts FSC Position Steering Adjustment 2 The initial adjustment for neutral is to loosen the jam nuts on each end of the Hydro Gear Cont...

Page 55: ...sition 2 Raise the body The set screws in the left and right Transmission Control Arms should not be contacting the locating stud in the transaxle If they are back the set screws out until they do not...

Page 56: ...the switch contacts open Turn the nut an additional 1 turn Tighten lower nut FSC Switch Location Forward Speed Control Friction Adjustment Step 7 FSC Position With Levers 1 Place the FSC in the full f...

Page 57: ...evel surface if any pin is sticking up likely the front pins tighten the opposite side or loosen the same side to lower the pin Adjustments are made by loosening the jam nut and tightening or loosen i...

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Page 63: ...20321 17 32 5 75 160 66 21 F012 F013 F042 F063 F063 F171 F012 F151 7 3 2 8 8 5 6 1 4 Refer to Engine Group Refer to Body Chassis Assembly 10 11 13 12 9 F051 F051 F051 F153 F042 F041 F278 F387 F013 14...

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Page 67: ...5 3 6 7 8 Refer to Engine Group 30 28 31 29 8 7 7 9 7 9 25 2 19 10 F005 F040 F051 10 3 5 3 F406 F406 32 33 34 43 43 42 40 41 42 6 2 1 1 F066 37 36 35 38 39 F069 F012 F067 F015 F306 20 23 12 13 14 15...

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Page 69: ...386 F183 F024 F093 1 2 4 7 F385 8 12 Refer to Body Chassis Assembly F010 F008 F391 F146 11 9 12 F093 F183 26 25 26 25 14 31 10 16 14 17 18 31 F024 F235 F373 F009 F004 10 16 29 29 28 27 27 28 13 14 F34...

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Page 71: ...HT DETAILB PUR PUR YEL WHT BLK RED PUR PUR RED RED DETAILG BRN WHT BLK DETAILE RED BLU WHT WHT BLK BLK BLK DETAILF RED WHT BLU BLK BLK YEL YEL BLK BRN C Refer to Hydrostatic Ground DriveAssemblies Ref...

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Page 73: ...QO JHQXLQH DONHU UHSODFHPHQW SDUWV 71 635 7 7 Refer to Body ChassisAssembly F016 1 F140 F205 F218 F278 F038 4 F046 2 F013 3 F278 F038 F377 5 6 7 6 5 8 9 F140 F218 13 15 16 17 18 18 19 19 19 F344 F347...

Page 74: ...REGULATOR CARB SOLENOID ELECTRIC CLUTCH STARTER STARTER SOLENOID PTO CLUTCH SWITCH RUN RELAY A IGNITION RELAY OFF START PTO ON 30 87 30 87 30 87A 30 87A IGNITION SWITCH CIRCUITS OFF START RUN G M B A...

Page 75: ...omer shall pay any charges for making service calls and or for transporting the mower to and from the place where the inspection and or warranty work is performed 3 HOW TO OBTAIN SERVICE UNDER THIS WA...

Page 76: ...Clear Temperature 65 F o 18 C o Wind Speed 5 mph 8 kmh Humidity 25 Barometric Pressure 83 8 kPA Lwa 97 OPERATOR Vibration Model MB Vibration Level Vibration levels at the operators handles were measur...

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Walker Rider Lawnmowers MB (18 HP), Owner'S Manual

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