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Walker MB (18 HP), Owner'S Manual

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Walker MB (18 HP) Owner'S Manual Download Page 1

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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: 10-01-04

For Safety, Read All Safety and Operation 

P/N 4000-1

Instructions Prior to Operating Machine 

Price $5.00

Summary of Contents for MB (18 HP)

Page 1: ...and Maintenance Instructions and ILLUSTRATED PARTS MANUAL Model MB 18 HP Please Read and Save These Instructions Effective Date 10 01 04 For Safety Read All Safety and Operation P N 4000 1 Instructio...

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: ...NG CUTTING HEIGHT ___________ 31 TRANSAXLE LOCKOUTS________________ 32 RECOMMENDATIONS FOR MOWING ______ 32 RECOMMENDATIONS FOR TILT UP DECK OPERATION TRANSPORT _______________ 33 Maintenance Instruct...

Page 4: ...BODY CHASSIS ASSEMBLY ____________ 54 MAIN COMPONENT POWER TRANSMISSION ________________ 56 ENGINE GROUP _______________________ 58 HYDROSTATIC GROUND DRIVE ASSEMBLIES____________________ 60 STEERING...

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: ...TRICAL 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 1...

Page 8: ...d Drive 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 2...

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: ...Forward Speed Control FSC Friction Adjustment Deck Discharge Shield Deck Lift Handle Cutting Height Adjustment Deck Caster Wheels Tilt Up Deck Handle Tilt Up Latch Deck Support Arm Deck Support Arm F...

Page 11: ...ion 9 Rear View and Left Side View Oil Fill Oil Dipstick Muffler Tailwheel Fork and Wheel PTO Belt Protective Cover Left Hand Transaxle Left Hand Drive Wheel Electric Clutch Fuel Filter Tailpipe Cylin...

Page 12: ...at Shield Negative Battery Cable Positive Battery Cable Steering Levers Dampening Springs Oil Dipstick RH Transmission Control Arm LH Transmission Control Arm Oil Fill LH Tail Weight RH Transaxle Lock...

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: ...d before putting the machine into operation The Decal Part Number is listed below and in the Parts Section Parking Brake 4406 8 Center Body Behind Transaxles 9804 Front Body Adjacent to LH Steering Le...

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: ...alker 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 BELTS...

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: ...to the 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 re...

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: ...ithout 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 ot...

Page 29: ...Position Intermediate Ground Speed Position Neutral Park Position Idle Position ON Position OFF Position CHOKE Disengaged Position Fast Throttle Position Engaged Position Operating Controls Top View f...

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: ...ife 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 transporting the mow...

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: ...lean and Re Oil Air Filter Foam Element x 41 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...

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: ...evel is up to sub merges the horizontal shaft in the gearbox shaft parallel to cover plate NOTE In case the gearboxes are completely drained of oil approximately 5 fl oz 15 cl of oil per gearbox is re...

Page 43: ...rrounds the paper element Clean and re oil the foam pre cleaner every 25 hours more often in dusty dirty conditions Clean the paper element every 100 hours and replace yearly or when dirty or damaged...

Page 44: ...for tilting action 2 Using the carrier frame lift handle raise deck to the TILT UP position and insert the deck hook into the tilt up latch on the tractor body Deck Secured in Tilt Up Position 3 Clea...

Page 45: ...ion of the air cleaner cover Check for damage Make sure the cover is in place and the cover latches are secure do not run the engine without the air cleaner cover in place and secure Battery NOTE For...

Page 46: ...ion photo in CLEANING of Grass Buildup in Mower Housing in this section 3 Check the blades for straightness by marking the blade tip position inside the deck housing and then rotating the opposite end...

Page 47: ...s are removed for sharpening If an oil leak is noted the seal should be replaced and the gear box assembly relubricated Refer to Mower Deck Gearbox Lubrication in this section Spark Plugs Every 100 ho...

Page 48: ...onds repair the brake before operating the mower REPLACING REPAIRING IMPORTANT ALWAYS use genuine factory re placement parts Substitute parts CAN result in product malfunction and possible injury to t...

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: ...se the idler Raise Idler Pulley to Relax Belt LH Hydro Gear Ground Drive Belt Tension Spring RH Hydro Gear Drive Pulley Idler Pulley Hydro Idler Arm Ground Drive Belt Assembly Disengaged 2 Reverse the...

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: ...levers should move in and out of the engaged and disengaged positions freely All four hitch pins used for height adjustment should sit flush on the washers above the deck pin bushing On a level surfa...

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Page 55: ...Effective Date 10 01 04 Use only genuine Walker replacement parts 53 75 725 6 Refer to Decks Parts Manual for Deck Decals 8 10 5 2 4 7 12 9 13 7 10 11 6 6 3 1...

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Page 57: ...F028 1 41 40 40 39 F295 F295 27 2 9 11 10 14 13 12 31 18 19 20 36 35 34 8 F009 F246 F004 F023 F034 15 F009 F004 F002 F190 F025 F029 F120 F127 30 29 8 3 4 5 17 21 38 37 22 23 16 F009 F227 F009 F009 F00...

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Page 59: ...57 0 1 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 F135 F042 F041 F278 F387 F...

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Page 61: ...02 F025 F005 5 12 18 20 1 1 F004 F004 F050 F037 F392 F004 F050 F002 F050 F032 F050 F009 F009 F179 2 F255 F185 F316 14 10 16 22 23 21 26 27 28 15 17 9 10 11 F185 F184 F184 F009 F009 24 Refer to Body Ch...

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Page 63: ...F171 F042 4 2 5 6 7 Refer to Engine Group 29 27 28 7 6 6 8 6 8 12 11 1 16 9 F005 F040 F051 9 2 4 2 30 30 31 32 33 43 43 42 42 41 39 40 41 5 1 F151 F034 F066 36 35 34 37 38 F069 F012 F067 F015 F151 F1...

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Page 65: ...F093 1 2 4 7 F385 8 12 Refer to Body Chassis Body Chassis Assembly Assembly F010 F008 F391 F146 11 9 12 F093 F183 26 25 26 25 14 31 10 16 14 17 18 31 F024 F235 F024 F009 F008 10 16 29 29 28 27 27 28 1...

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Page 67: ...A RED WHT 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 Refer to Hydrostatic Ground Drive Assembli...

Page 68: ...RT ACCESSORY CIRCUIT M MAGNETO GROUND CIRCUIT B BATTERY CIRCUIT A ACCESSORY CIRCUIT G GROUND CIRCUIT ENGINE GROUND RECTIFIER REGULATOR CARB SOLENOID ELECTRIC CLUTCH STARTER STARTER SOLENOID PUR BRN BL...

Page 69: ...Effective Date 10 01 04 Use only genuine Walker replacement parts 67 23 5 725 6 127 6...

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Page 71: ...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 72: ...ar Temperature 50 F o 10 C o Wind Speed 5 mph 8 kmh Humidity 52 Barometric Pressure 24 9 HG 759 mm Hg Lwa 93 OPERATOR Vibration Model MB Vibration Level Vibration levels at the operators handles were...

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