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Table of Contents

General Information

________________ 1

HIGHLIGHTED INFORMATION

_____________ 1

GLOSSARY

____________________________ 1

IDENTIFYING NUMBER LOCATIONS

________ 1

ENGINE SERIAL NUMBER LOCATION

_______ 2

SERVICING OF ENGINE AND

DRIVETRAIN COMPONENTS

______________ 2

Specifications

________________________ 3

Component Identification

___________ 6

Safety Instructions

__________________ 9

BEFORE OPERATING

____________________ 9

OPERATING

___________________________ 11

MAINTENANCE

________________________ 13

SAFETY, CONTROL, AND

INSTRUCTION DECALS

_________________ 14

Assembly Instructions

______________ 19

SETUP INSTRUCTIONS

__________________ 19

Battery Service

_______________________ 19

Wet Battery Service

__________________ 19

Dry Battery Service

___________________ 19

Battery Charging

_____________________ 20

Mower Deck Assembly

_________________ 20

Deck Caster Wheels Installation

_________ 20

Deck Discharge Shield Installation

_______ 20

PTO Shaft Guard Installation

___________ 21

Tilt-Up Roller Wheel Installation

_________ 21

Mower Deck Installation on Tractor

_______ 21

Deck Installation

_____________________ 21

Deck Leveling

_______________________ 23

PREOPERATING CHECKLIST

_____________ 24

Operating Instructions

_____________ 26

CONTROL IDENTIFICATION,

LOCATION, AND FUNCTION

_____________ 26

Ignition Switch

_______________________ 26

Engine Throttle

_______________________ 27

Body Latch

__________________________ 27

Forward Speed Control (FSC)

___________ 27

Fuel Pump Priming

____________________ 27

Steering Levers

_______________________ 28

Blade Clutch (PTO)

____________________ 28

Parking Brake

________________________ 28

Circuit Breakers

______________________ 29

Glow Plug Warning Light

_______________ 29

Battery/Charge Light

__________________ 29

Oil Pressure Warning Light

_____________ 29

Water Temperature Warning Light

_______ 29

Transaxle Lockout Rods

_______________ 30

Hourmeter

___________________________ 30

Optional Roll-Over

Protection System (ROPS)

______________ 31

Operating Controls

____________________ 32

STARTING THE ENGINE

_________________ 33

ADJUSTING GROUND

SPEED AND STEERING

__________________

ENGAGING THE MOWER

________________ 35

STOPPING THE MACHINE

_______________ 36

FUEL SELECTOR VALVE

_________________ 37

ADJUSTING CUTTING HEIGHT

____________ 37

Transport Position

____________________ 37

TRANSAXLE LOCKOUTS

________________ 38

RECOMMENDATIONS FOR MOWING

______ 38

RECOMMENDATIONS FOR TILT-UP DECK

OPERATION/TRANSPORT

_______________ 40

Maintenance Instructions

__________ 41

MAINTENANCE SCHEDULE CHART

_______ 41

IMPORTANT TIPS FOR

CARE OF THE YANMAR ENGINE

__________ 42

Fuel System

_________________________ 42

Starting/Stopping

_____________________ 42

Cooling System

______________________ 42

Air Cleaner System

____________________ 42

Oil

__________________________________ 42

LUBRICATION

_________________________ 43

Engine Oil

___________________________ 43

Engine Break-In Oil

___________________ 43

Checking Engine Crankcase Oil Level

____ 43

Changing Engine Crankcase Oil/Oil Filter

__ 44

Mower Deck Spindle Lubrication

________ 45

DRD52 or DSD60 Mower Deck Lubrication

_ 45

Transaxle Lubrication

_________________ 45

Grease Fitting and Oil Point Lubrication

__ 45

Transaxle Oil and Filter Change

_________ 48

CLEANING

____________________________ 49

Engine Air Cleaner System

_____________ 49

Turbine Precleaner ___________________

Enginaire™ Air Cleaner _______________

Engine Cooling System

________________ 51

Radiator Screen and Cooling Fins

_______ 51

Flushing Radiator and Changing Coolant

__ 52

Grass Buildup in Mower Housing

________ 52

Transaxle Housing

____________________ 54

Содержание MBSY

Страница 1: ...bly Operating and Maintenance Instructions Model MBSY Please Read and Save These Instructions Beginning S N 112057 For Safety Read All Safety and Operation P N 2000 4 Instructions Prior to Operating M...

Страница 2: ...ers If anything in this manual is confusing or hard to understand please contact your local authorized dealer or call our service department at 970 221 5614 for clarification before operating or servi...

Страница 3: ..._ 29 Battery Charge Light___________________ 29 Oil Pressure Warning Light______________ 29 Water Temperature Warning Light_ _______ 29 Transaxle Lockout Rods_ _______________ 30 Hourmeter____________...

Страница 4: ...on Lock_ _____ 59 REPLACING REPAIRING_ _________________ 60 Drive Belts_ ___________________________ 60 PTO Belt____________________________ 61 Ground Drive Belt_____________________ 62 Alternator Bel...

Страница 5: ...r is seated facing forward in the tractor seat POWER TAKE OFF PTO transmits engine power to run the cutter blades REAR DISCHARGE RD discharges mowed material from the back of the mower deck RIGHT HAND...

Страница 6: ...ese components during the limited warranty period it is important to find a local authorized servicing agent of the com ponent manufacturer Any unauthorized work done on these components during the wa...

Страница 7: ...e VLR Walker P N 5090 1 Primary 5090 3 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 41AH 340 CCA Interstate U1 SP40 Charging System Automotive Type Alternator Charging Output 40 Amp DC Regulated Sy...

Страница 8: ...ive Clutch and Brake Manual Belt Tightener Clutch and Band Brake Stops Blades within Five 5 Seconds of Disengagement TIRE SIZE Deck Caster Wheel 13 x 5 00 6 Pneumatic 4 Ply Drive 22 x 10 50 12 4 Ply L...

Страница 9: ...ischarge Width of Cut 52 in 132 cm 60 in 152 cm Cutting Height 1 to 5 in 3 to 13 cm Height Adjustment 17 Positions 1 4 in 0 6 cm Increments Blade Size 18 4 in 47 cm 20 5 in 52 cm Number of Blades 3 Di...

Страница 10: ...k Caster Wheels Forward Speed Control FSC Friction Adjustment Deck Support Arm Not Visible Deck Height Lift Chain Deck Height Adjustment Trigger Tilt Bar Deck Handle Height Adjustment Arm Cutting Heig...

Страница 11: ...Component Identification 7 Rear View and Left Side View Spread Axle Tail Wheel Left Hand Drive Wheel Footrests Fuel Tank and Cap Fuel Pickup Line Tailpipe Muffler...

Страница 12: ...Transaxle RH Transaxle Parking Brake Fuel Tank Cap RH Transmission Control Arm Steering Levers Dampeners Rubber Bumpers Body Support PTO Clutch Lever Transaxle Oil Expansion Reservoirs Air Filter Cov...

Страница 13: ...ommended by Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed withmanysafetyfeaturestoprotecttheoperatorfrom personal harm or injury However it...

Страница 14: ...seat with either the Forward Speed Control FSC out of the NEUTRAL PARK position or the PTO clutch in the ENGAGED position NOTE There is a 1 2 second time delay func tion on the seat switch to avoid en...

Страница 15: ...theslope Tomain tain control immediately 1 Release the steer ing levers and simultaneously 2 Move the FSC to the NEUTRAL PARK position When the ma chine is stopped or moving slowly engage the parking...

Страница 16: ...th deck in tilt up position b Never tilt body forward with deck in tilt up position 17 In case of a clogged or plugged mower deck a Disengage the blade clutch PTO set the parking brake and turn the en...

Страница 17: ...t of the fuel injection system 8 Altering the equipment or engine in any manner which adversely affects its operation perfor mance durability or use will VOID the warranty and may cause hazardous cond...

Страница 18: ...Warning carbon monoxide CO poisoning hazard CO emitted by a running engine can be deadly Do not operate indoors or in other enclosed areas Location Rear Body Near Muffler Part Number 8600 5 8600 5 1 1...

Страница 19: ...EMP NOT CHARGING GLOW PLUGS OIL PRESSURE 2807 4 1 2 4 3 1 Glow plugs activation indicator light 2 Battery charging system malfunction indicator light 3 Low engine oil pressure warning light 4 High eng...

Страница 20: ...umber 8653 1 1 1 Warning secure deck with straps and engage parking brake before transporting or trailering with deck tilted up Location Deck Height Adjuster Part Number 2748 1 5 0 127 4 5 114 4 75 12...

Страница 21: ...ROPS locked fully upright and use the seat belt 3 Never use the seat belt if the ROPS is not locked fully upright 4 Do not operate the machine on slopes if the ROPS is not locked fully upright 5 Do no...

Страница 22: ...5 6 7 8 1 Throttle 2 Warning read Operator s Manual before oper ating the machine 3 Warning wear eye and ear protection when op erating the machine 4 Warning readOperator sManualbeforeservic ing or p...

Страница 23: ...ating a battery can be dangerous The battery should be taken to a reliable service station battery store or power equipment dealer where a trained techni cian can activate the battery safely DO NOT at...

Страница 24: ...RTANT DO NOT overfill the battery Electrolyte will overflow through the vented caps onto parts of the machine and WILL result in severe corrosion 3 Install battery Battery Clamp Secured by Wing Nut s...

Страница 25: ...until the wheel rolls freely but is not loose Roller Wheel Roller Wheel Installation DSD60 Shown Mower Deck Installation on Tractor Deck Installation 1 Lightly grease each deck support arm 2 on the t...

Страница 26: ...o the Coupler Ring Locked Position photo After installa tion pull on the shaft to check for security Spring Loaded Coupler Ring In Fully Forward Position Coupler Ring Locked Position 6 Raise the mower...

Страница 27: ...ward Measure the distance from blade tip to ground on the front and rear The rear of the blade should be 1 16 to 1 8 in 2 to 3 mm higher than the front of the blade remove the chain from the deck heig...

Страница 28: ...a clean fuel storage container and funnel CHECK ENGINE CRANKCASE OIL LEVEL Check the engine crankcase oil level before use and after each 8 hours of continuous operation Refer to LUBRICATION for Check...

Страница 29: ...red in the raised position by disengaging the locking arms on each side of the carrier frame and inserting the deck hook into the tilt up latch on the tractor body Before operating the tractor make su...

Страница 30: ...not hold the key in the S position longer than 10 seconds If the engine does not start return the key to the O position for at least 60 seconds before making a restart attempt Prolonged cranking can d...

Страница 31: ...0 to 16 km h The ground speed is pro portional to the lever position the further the lever is advanced forward the faster the tractor moves It is not necessary to hold the FSC in position since the f...

Страница 32: ...lever has two positions Pulling the lever FORWARD engages the PTO that drives the mower blades Pulling the lever BACKWARD disengages the PTO and engages the blade brake Parking Brake The parking brak...

Страница 33: ...aker could also be tripped If the light comes on during engine operation stop the engine immediately and correct the source of the problem before further engine operation IMPORTANT Continued operation...

Страница 34: ...erating time accumulated while the ignition switch is in the ON position The hourmeter provides maintenance reminders af ter certain hours of operation The hourmeter screen will start flashing the rem...

Страница 35: ...ar is not in the fully upright and locked position Never lower the ROPS roll bar when operat ing in areas where there are slopes drop offs or other roll over hazards Be aware there is no roll over pro...

Страница 36: ...ol Change Idle Position RIGHT WHEEL STEERING LEVER LEFT WHEEL STEERING LEVER PARKING BRAKE THROTTLE The Forward Speed Control also Establishes the Neutral Park Position of the Steering Levers Full For...

Страница 37: ...e engine does not start turn the key to the OFF position and allow a 60 second cool down period between starting attempts Failure to fol low these guidelines can damage the starter motor and shorten b...

Страница 38: ...ety sys tem is not working it should be repaired or replaced before operating the mower DO NOT disconnect the safety switches they are for the operator s protection 2 Steer by pulling the lever on the...

Страница 39: ...r in the NEUTRAL PARK posi tion the transmission control needs to be adjust ed RefertoADJUSTMENTSforStep3 Neutral Position Adjustment in the Maintenance Instruc tions ENGAGING THE MOWER 1 Set the engi...

Страница 40: ...eplaced before operating the mower Contact your Walker dealer 4 Turn the ignition switch OFF WARNING Remove the key from the ignition switch when leaving the mower unattended This will prevent childre...

Страница 41: ...Tractor should not be moving while adjusting cutting height Cutting height is adjusted from operators seat using the height pedal to assist in raising the deck while positioning the height adjustment...

Страница 42: ...ac ing them in the normal OPERATING position The transmission rod ends should be com pletely retracted against the chassis otherwise opera tion of the transmission maybe erratic Hydro Lockout Rod Hydr...

Страница 43: ...e the transaxles are power boosted controls and jerking the levers can easily slip the tires For sharp turns do not allow the inside wheel to stop and twist on grass pull inside steering lever into re...

Страница 44: ...parked The tractor body should never be tilted for ward with the deck in the tilt up position This can cause the deck to unhook from the tractor and fall with con siderable force potentially causing...

Страница 45: ...eck FSC Friction Lock x 59 Change Engine Oil Filter x 44 Check Radiator Hoses and Clamps x 58 Change Transaxle Oil and Filter x 48 Replace Fuel Filters 2 Clean Water Separator x 65 Replace Air Filter...

Страница 46: ...ating Never mix different types colors of coolants Maintain proper fluid levels in the radiator and overflow tank Air Cleaner System Use only Enginaire air cleaner elements Aftermarket elements may no...

Страница 47: ...er on a level surface with the en ginestopped Also makesuretheengineiscool and oil has had time to drain into the sump allow at least five 5 minutes after stopping the en gine IMPORTANT NEVER check or...

Страница 48: ...oil filters from the engine manufacturer Aftermarket oil filters may notsealproperlyand ormaynothavethecor rect pressure relief valve for proper lubrication 7 Install the new oil filter on the engine...

Страница 49: ...sion reservoirs should be between 1 4 and 1 2 in 0 64 cm and 1 27 cm Hot Level Cold Level Hose Reservoir Cap Expansion Reservoir Location Grease Fitting and Oil Point Lubrication Lubricate the grease...

Страница 50: ...embly Grease 1 11 FSC Lever Pivot Grease 1 12 Hydro IdlerArm Pivot Grease 1 13 ClutchActuator Push Rod Grease 1 14 Body Latch Pivot Oil 2 15 PTO Clutch Lever Pivot Grease 1 16 ClutchArm Pivot Grease 1...

Страница 51: ...47 Maintenance Instructions LUBRICATION 11 2 1 1 2 3 4 5 6 28 7 18 27 9 26 14 20 18 21 22 20 15 17 10 9 8 7 6 5 4 3 13 14 16 29 24 23 17 12 25 19 Chassis and Deck Lubrication Points...

Страница 52: ...ontopofthetransaxle Removetheelbow to access the oil fill opening 5 Fill the transaxles with 20W 50 API Service ClassSLorhigher oilthroughtheopeningwhere the elbows were Fill up to the opening 6 Befor...

Страница 53: ...affling and a dust ejection valve provide dust separation and automatic precleaning action Daily or frequent servicing of the air cleaner is not required Use the air filter restriction gauge on the ai...

Страница 54: ...ing on an uneven surface or sharp edge Washing the ele ment in water or cleaning solution is not recom mended Do not try to clean the element with compressed air Remember replacing a filter is less ex...

Страница 55: ...o check and clean the screen several times during use to prevent engine overheating 1 Slide screen out from underside of radiator To clean the screen wash with soapy water or blow out with compressed...

Страница 56: ...iator may cause damage to the engine from overheating IMPORTANT Maintain proper coolant level in the radiator and coolant recovery tank The coolant level should be maintained between FULL and LOW mark...

Страница 57: ...e tolerated a point is finally reached where cutting quality deterio ratesandcloggingbeginstooccurbecauseof too much buildup on the baffling and housing DAnger Do not operate the mower with deck in ti...

Страница 58: ...axle housings This may be the result of an oil leak If an oil leak is noticed contact your local Walker dealer Cooling Fins Transaxle Housing and Cooling Fins IMPORTANT In case an oil leak develops on...

Страница 59: ...ove the LOW mark on the recovery tank If the coolant level is low remove the radiator cap and fill to the overflow port level and then fill the recovery tank above the LOW mark Use a pre mixed 50 50 s...

Страница 60: ...the battery Electro lyte will overflow through the vented caps onto parts of the machine and WILL result in severe corrosion Cleaning the Terminals If battery terminals are corroded remove battery fro...

Страница 61: ...opposite end of the blade to the same position and comparing If the dif ference in blade tip track is more than 1 8 in 3 mm the blade is bent and should be re placed wArNing DO NOT try to straighten...

Страница 62: ...the radiator hoses every 200 hours for dete rioration or damage Also check the tightness of the hose clamps Good preventive maintenance calls for complete replacement of the radiator hoses and clamps...

Страница 63: ...orward Speed Control FSC and or PTO engaged With an operator in the seat the Forward Speed Control FSC and PTO disengaged and horn works but the starter is not engaging Forward Speed Control Friction...

Страница 64: ...MPORTANT ALWAYS use genuine factory re placementparts SubstitutepartsCANresultinprod uct malfunction and possible injury to the oper ator and or others Drive Belts There are five 5 individual drive be...

Страница 65: ...ds Closed Engine Hidden for Clarity PTO Guard Right Hand Guard PTO Pulley Upper LH Guard Lower LH Guard Wire Lock Pin Wire Lock Pin Idler Arm PTO Belt Matched Set Wire Lock Pins 2 To replace the PTO b...

Страница 66: ...round drive belt b Make sure the belt tensioner stop bolt and assembly is in place as shown Adjust Belt Tensioner Stop by tightening wing nut until it touches the washer then back off one 1 turn Groun...

Страница 67: ...olts b Remove the flex coupling center section P N 2351 4 by removing the six 6 rubber iso couplers 12 bolts flat washers star lock washers Flex Coupling Removal 86 00 2 Bolt Bolt Flex Coupling Guard...

Страница 68: ...ect the rubber iso mounts P N 2351 1 for cracking or signs of deterioration and replace as needed Good preventative maintenance would recommend replacing the rubber mounts at the same time as the alte...

Страница 69: ...ns of wear or dam age bladesshouldbereplacedforreasonsofsafe ty and performance of the machine An excessive amount of the flat section of the blade has been ground away removed when the blade is sharp...

Страница 70: ...ocedure from Sharp en Mower Blades instructions If blades are re placed always use Walker original equipment blades to ensure safety and optimum performance Thequalityandperformanceofreplacementblades...

Страница 71: ...dle pulley and can be completely removed 2 Install the deck drive belt by reversing the re moval procedure a Route the belt as shown on the belt routing decal located on the deck housing Leave the bel...

Страница 72: ...gly 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 with the LH lever Levers shoul...

Страница 73: ...turn the rod to attain the straight up position Tighten the jam nuts FSC Position 5 in 127 mm FSC Rod FSC Lever Adjust 2 The initial adjustment for neutral is to loosen the jam nuts on each end of th...

Страница 74: ...djustment Transmission Control Arm Maximum Speed Tracking Adjustment Shown with Parts Removed for Clarity Step 5 Straight Tracking Adjustment 1 Sit in the seat start the engine set throttle at full sp...

Страница 75: ...d pull both steering levers back the FSC lever should not move If the FSC lever moves back the friction needs to be increased 2 With the steering levers held back move the FSC lever back from the FORW...

Страница 76: ...k to achieve a bolt head clearance of 1 4 in to 5 16 in 6 35 mm to 7 94 mm with the clutch engaged To adjust length remove ball joint from clutch arm shorten the clutch link to increase this measureme...

Страница 77: ...Disengaged Use the following procedures to check and adjust clutch disengagement and brake action Step 1 Idler Pulley Maximum Travel Adjustment Loosen the brake band adjustment nut allowing clutch piv...

Страница 78: ...ssary to adjust the blade brake band nut to maintain these dimensions CLUTCH DISENGAGED CLUTCH ENGAGED 5 8 in to 3 4 in 16 mm to 19 mm Clutch Idler Pulley Travel Adjustment Blade Brake Band Blade Brak...

Страница 79: ...ll 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 WARRANTY W...

Страница 80: ...WALKER MFG CO 5925 E HARMONY ROAD FORT COLLINS CO 80528 970 221 5614 FORM NO 052311 PRINTED IN USA www walkermowers com 2012 WALKER MFG CO TM...

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