Walker MBS29 Operator'S Manual Download Page 64

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Maintenance Instructions

REPLACING/REPAIRING

Ground Drive Belt

1. To remove the ground drive belt:

a. Remove belt tensioner stop wing nut.

b. Raise the spring-loaded idler to relax belt.

Slide belt off pulleys, then release the idler.

2. a. Reverse the procedure to install the ground

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.

Ground Drive Belt Assembly (Disengaged)

Ground Drive Belt Assembly (Engaged)

Ground Drive

Belt

Idler Pulley

Hydro Idler Arm

Drive Pulley

LH Transaxle

Adjust Belt

Tensioner Stop

RH Transaxle

Ground Drive

Belt

Raise Idler Pulley to

Relax Belt

Hydro Idler

Arm

Idler Pulley

Drive Pulley

LH Transaxle

Remove Belt Tensioner

Stop Wing Nut

RH Transaxle

Tension

Spring

Summary of Contents for MBS29

Page 1: ...bly Operating and Maintenance Instructions Model MBS29 Please Read and Save These Instructions Beginning S N 125598 For Safety Read All Safety and Operation Effective Date 01 09 12 Instructions Prior to Operating Machine P N 2000 7 ...

Page 2: ... operator or others 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 servicing this mower This manual covers Model MBS29 with the Kohler ECH749 29 HP Electronic Fuel Injection EFI gasoline engine All shields and guards must be in place for the proper and saf...

Page 3: ...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 Steering Levers_______________________ 28 Blade Clutch PTO _____________________ 28 P...

Page 4: ..._________ 57 PTO U Joints__________________________ 57 Blade Brake Action_____________________ 57 Safety Switch System__________________ 57 Forward Speed Control Friction Lock______ 57 REPLACING REPAIRING__________________ 58 Drive Belts____________________________ 58 Engine PTO Belt______________________ 59 Ground Drive Belt_____________________ 60 Fuel Filter ____________________________ 61 Mowe...

Page 5: ... the left hand side of the tractor when the operator 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 RH refers to the right hand side of the tractor when the operator is seated facing forward in the tractor seat SIDE DISCHARGE SD discharges mowed ma...

Page 6: ... 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 warranty period may void the warranty If you have any dif ficulty finding an authorized outlet or obtaining warranty service please contact our Service Depart ment for assistance Walker Manufacturing Company 5925 E H...

Page 7: ... Air Cooled Air Cleaner Remote mounted Cummins Fleetguard OptiAirTM Walker P N 2090 1 Primary 2090 3 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 340 CCA Charging System Flywheel Alternator Charging Output 25 Amp DC Regulated System Polarity Negative Ground Ignition Electronic Capacitive Discharge Starter 12 Volt Electric Ring Gear Type Solenoid Operated Interlock Switches Ignition Lockout by S...

Page 8: ...Each Blade 3 Mounts Directly on Belt Driven Spindles Blade Drive 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 Low Profile Rear 13 x 5 00 6 4 Ply TIRE PRESSURE PSI KPA Deck Caster Wheel 20 137 Drive 15 103 Rear 20 137 DIMENSIONS Tractor and Mower Leng...

Page 9: ...rge Cutting Width in cm 52 132 60 152 Cutting Height in cm 1 to 5 3 to 13 Height Adjustment in cm 1 4 1 Increments 17 Positions Blade Length in cm 18 4 47 20 5 52 Number of Blades 3 Direction of Rotation Viewed from top of deck Clockwise Deck Suspension Torsion Flex Frame with Caster Wheels and Counterweight Springs Maximum Blade RPM 3840 3330 Maximum Blade Tip Speed ft min m min 18500 5640 17870 ...

Page 10: ...Wheels Tilt Bar Deck Handle Footrests Counterweight Springs and Protective Covers Tilt Up Latch Forward Speed Control FSC Friction Adjustment Deck Height Lift Chain Tilt Up Hook Not Visible Deck Height Adjustment Trigger Height Adjustment Arm Cutting Height Adjustment Deck Support Arm Not Visible Deck Support Arm Not Visible Body Lift Handle Body Tilt Up Latch ...

Page 11: ...dentification 7 Rear View and Left Side View Battery Not Visible Left Hand Drive Wheel Fuel Pickup Line Muffler Fuel Tank and Cap Footrest Catch Assembly Footrests Tailpipe Spread Axle Tail Wheel Oil Fill Dipstick ...

Page 12: ...rking Brake Fuel Pickup Line Fuel Tank RH Transmission Control Arm Air Filter Cover Cummins Fleetguard OptiAir Air Cleaner PTO Clutch Lever Oil Cooler Oxygen Sensor Steering Levers Dampeners Rubber Bumpers Body Support Turbine Precleaner Fuel Tank Cap Fuel Selector Valve Dipstick Transaxle Oil Expansion Reservoirs Air Intake Hose Fuel Pump Fuel Filter Air Filter Restriction Gauge Oil Fill ...

Page 13: ...commended by Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed withmanysafetyfeaturestoprotecttheoperatorfrom personal harm or injury However it is necessary for the operator to use safe operating procedures at all times Failure to follow safety instructions con tained in this manual may result in personal in jury or damage to equipment or p...

Page 14: ...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 engine power interruption when driving over bumps 10 Handle gasoline with care Gasoline is highly flammable and its vapors are explosive a Use an approved fuel container b Never add fuel to a running engine or hot engine allow hot ...

Page 15: ...gnition interlock switch normally prevents starting of the machine if these controls are in the OPERATING position 7 Do not operate machine if the operator pres ence safety switch system is not working Verifyproperoperationbyhavingtheoperatorlift off the seat with the engine running and moving two controls one at a time 1 Move the FSC lever out of the NEUTRAL PARK position and 2 Engage the PTO Clu...

Page 16: ...ns a Do not move tractor with deck in tilt up position b Never tilt body forward with deck in tilt up position 18 In case of a clogged or plugged mower deck a Disengage the blade clutch PTO set the parkingbrake andturntheengineoffbefore leaving the seat b LOOK to make sure blade drive shaft move menthasstoppedbeforetryingtounclogthe system c Disconnect the spark plug wires d Never place hands unde...

Page 17: ...rsely affects its operation perfor mance durability or use will VOID the warranty and may cause hazardous conditions 8 Never attempt to disconnect any safety devices or defeat the purpose of these safety devices 9 Do not change the engine governor settings or overspeed the engine The governor has been factory set for maximum safe engine operating speed 10 Use genuine factory replacement parts Sub ...

Page 18: ...ing 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 Warning hot surface do not touch Location Deck Carrier Frame Part Number 8600 15 1 1 Warning lock deck tilt up hinge before operat ing the machine 1 Grease PTO shaft joints every 8 hours Location PTO Gua...

Page 19: ...el Tank Part Number 2010 4 5848 2 1 Location Deck Discharge Shield DSD60 Part Number 5848 2 1 Warning thrown object hazard Always keep the discharge shield in the low est position when operating Do not remove the discharge shield Location Top of Deck Housing Part Number 8653 1 1 1 Warning secure deck with straps and engage parking brake before transporting or trailering with deck tilted up Locatio...

Page 20: ...ement and cutting dismem berment hazards Keep away from rotating shafts belts and other components Location Right Fender Part Number 2802 2 Location Underside of Rear Body Part Number 2107 4 1 2 1 Ground drive belt routing 2 PTO clutch belt routing TIGHTEN UNTIL CONTACT WITH FRAME DO NOT OVERTIGHTEN THEN LOOSEN ONE TURN Location Chassis Member Behind Transaxles Part Number 2351 8 1 Forward Speed C...

Page 21: ... Left Fender Part Number 2802 3 Location Front Body Adjacent to RH Steering Lever Part Number 2807 2 1 Low Engine Oil Pressure Warning Light 2 High Oil Cylinder Head Temperature Light 3 Service Engine Soon Light 1 2 3 Location Battery Hold Down Bar Part Number 5844 2 IMPORTANT 10 Ethanol maximum 15 MTBE maximum 87 Octane or higher R M 2 AKI 90 Octane min RON Fuel Recommendations 5082 5 Location Re...

Page 22: ... the battery for electrolyte level and charge The electro lyte level should be at the bottom of the vent wells 1 4 to 1 2 in 6 to 13 mm above plates If the spe cific gravity is less than 1 225 the battery needs charging If the battery has been shipped dry or is wet but needs service refer to the following instruc tions Battery Location IMPORTANT Makesurebatteryissecurelymounted in the frame A loos...

Page 23: ...S PRODUCE EXPLOSIVE GASES Charge the battery in a well ventilated area so that gases produced while charg ing can dissipate Keep sparks flames and smoking mate rials away from the battery at all times Make sure the battery cap vents are open after the battery is filled with acid check manifold vent on each cap Make sure the battery charger is un plugged before connecting or disconnect ing cables t...

Page 24: ...lector shield attached and in the lowest possible position Attach Shield Deck Discharge Shield Installation PTO Shaft Guard Installation Position the shaft guard as shown and mount with two 2 1 4 20 x 1 2 in bolts Attach Guard Carrier Frame Tube Sockets PTO Shaft Guard Installation Tilt Up Roller Wheel Installation Mount the two 2 tilt up roller wheels on the brackets on the rear skirt of the deck...

Page 25: ...erInstal lation Tool provided in Owner s Packet as shown in the photo below NOTE The Coupler Installation Tool is provided for convenience but is not required for installa tion Retract Coupler Ring Coupler Installation Tool Retract Spring Loaded Quick Disconnect Ring PTO Coupler Tube PTO Coupler Installation Tool 4 Reaching under the tractor slide the PTO cou pler tube onto the deck drive shaft al...

Page 26: ...nstead of lifting the front ofdeck andclipthecounterweightspringstothe receptacle on front of body Lower the body to tension the springs Refer to Deck Counter weight Spring Installation photo 7 With the counterweight springs connected the weight on the deck caster wheels should be 200 to 250 Ib 90 7 to 113 4 kg this adjustment is preset at the factory If required the spring tension can be adjusted...

Page 27: ... point forward Measure the distance frombladetiptogroundonthefrontandrear 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 height adjuster clevisandadjustequallytoachieveatleast1 16in 2 mm difference Reinstall chains NOTE The mower deck and support frame are jig welded within normal tolerances very little if any adjustments ...

Page 28: ...emium white or high test gasoline DO NOT use additives such as carburetor cleaners deicers or moisture removing agents DO NOT use gasoline blended with methyl alcohol 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 Checking Engine Crankcase Oil Level in Maintenance Instructions CHECK AND SERVIC...

Page 29: ...cause it is hazardous The tilt up deck can be secured 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 sure to re engage the locking arms after lowering the deck to the normal operating position Tilt Up Hook and Latch Connected Tilt Up Hook Tilt Up Latch ...

Page 30: ...the key returns to after starting and S is the START position When starting the engine turn the key clockwise to the S position Do 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 damage the starter motor and shorten battery life Release the key when...

Page 31: ...eed Control FSC has two functions One is to set forward travel speed and the other is to establish the NEUTRAL PARK position When the FSC lever is moved into the FORWARD position a friction lock holds any forward speed setting from 0 to 10 mph 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 necess...

Page 32: ...h 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 brake functions by locking a detent arm internally into the transaxle Moving the lever FOR WARD engages the parking brake moving the le ver BACKWARD releases the brake IMPORTANT Stop the tractor complete...

Page 33: ... the engine performance When this light illuminates during operation contact an authorized Kohler Ser vice dealer to diagnose the fault IMPORTANT Continued operation of the engine with an illuminated engine service light will result in sub standard performance and MAY cause engine damage if not corrected as soon as possible Over Temperature Warning Light The over temperature warning light indicate...

Page 34: ...perating 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 reminder one hour prior to the recommended interval and will continue until one hour after the recommended interval two hours The hourmeter does not have a manual reset function Procedure Interval Remin...

Page 35: ...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 Forward Ground Speed Position Intermediate Ground Speed Position Reverse Drive Wheel Motion Position Fast Throttle Position Neutral Park Position Engaged Position Engaged Position Disengaged Position Disengaged Positio...

Page 36: ...sconnect safety switches they are for the operator s protection 2 Move the throttle 1 4 to 1 2 open toward FAST Turn the ignition switch to the START position to start the engine Release the key to RUN posi tion as soon as the engine starts IMPORTANT DO NOT crank the engine con tinuously for more than 10 seconds at a time If the engine does not start turn the key to the OFF position and allow a 60...

Page 37: ...e operating the mower DO NOT disconnect the safety switches they are for the operator s protection 2 Steer by pulling the lever on the side of desired direction of turn e g pull the LH lever to turn left To minimize the possibility of overcontrol use only one hand on both steering levers Beginning Recommendations are Learn operation of the mower in an open area away from buildings fences and ob st...

Page 38: ... both steering le vers backward to the NEUTRAL PARK position tractor not moving and then moving the FSC lever to the NEUTRAL PARK position NOTE If the tractor creeps forward or back ward with the FSC lever 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 BLADE DRIVE 1 Se...

Page 39: ...A brake stops the cutter blades from free wheeling within five 5 seconds after dis engaging the clutch If the brake system malfunctions and the blades do not stop within five 5 seconds the brake should be repaired or replaced 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 wi...

Page 40: ...tor Valve ADJUSTING CUTTING HEIGHT WARNING Never adjust cutting height while the mowerismoving Beforeadjustingcutting height or servicing move the Forward Speed Control FSC into the NEUTRAL PARK position engage the parking brake and disengage the blade clutch PTO Tractor should not be moving while adjusting cutting height Cutting height is adjusted from operators seat using the height pedal to ass...

Page 41: ...ring both rods in the chassis notch area 3 The mower will freewheel with the rods in the LOCKOUT position The levers must be in the highest position to completely unlock the trans missions Hydro Lockout Rod Hydro Lockout Rod Freewheel Position 4 After moving the mower release the rods plac ing them in the normal OPERATING position The transmission rod ends should be com pletely retracted against t...

Page 42: ...attern for best appearance and vary the direction of the stripe each time the grass is mowed to avoid wear patterns in the grass Avoid damage to the grass by slipping and skid ding of the drive tires Use smooth control move ments of the steering levers since 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 s...

Page 43: ...s 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 deck or tractor damage and or bodily injury When transporting a tractor with the deck in the tilt up position on a truck or trailer the deck should be secured to the vehicle with a strap or rope stop...

Page 44: ...bine Precleaner Fan x 48 Change Engine Oil Filter x 42 Check Regap Spark Plugs x 56 Replace Fuel Filter x 61 Change Transaxle Oil and Filter xΔΔ 44 Check Fuel Lines and Clamps x 57 Replace Air Filter Element and Dust Ejection Valve x 49 Service Battery x 54 Service Solenoid Shift Starter x ΔΔΔ Check PTO U Joints for Wear Looseness x 57 Replace Fuel Lines and Clamps x 57 Replace Ignition Wires x 56...

Page 45: ...e muffler and moving parts when checking airflow Operate the engine at full speed when mowing This allows the engine to produce full horsepower and move more cooling air through the engine cool ing fins Air Cleaner System Use only Cummins Fleetguard air cleaner elements Aftermarket elements may not seal in the air cleaner housing allowing dirt to enter the engine Also aftermarket filters often ski...

Page 46: ... Before removing the dipstick clean the area around the dipstick to keep any dirt or debris out of the engine 3 Remove the dipstick wipe off with a clean rag then reinsert the dipstick into the tube and tighten 4 Remove the dipstick again and check the oil level on the dipstick The oil level should be within the Operating Range on the dipstick be tween the LOW mark and the FULL mark IMPORTANT DO N...

Page 47: ...etcon tacts the sealing surface then tighten the filter an additional 1 2 to 3 4 turn 8 Close the oil drain valve and tighten until snug Do not overtighten 9 Fill the crankcase with new clean oil Use only crankcase lubricants recommended by the engine manufacturer Refer to Specifications in this manual or the engine owner s manual Use the recommended oil viscosity for the expected ambient temperat...

Page 48: ...of 75 100 hours Thereafter change oil every 400 hours of operation as follows 1 Thoroughlycleantheexteriorofthetransmission housing before servicing Remove expansion tank cap to allow venting Using a 1 4 in hex wrench remove the plug on the lower inside of each transaxle allowing the oil to drain 2 Remove the oil filter guard remove and replace the oil filter using an oil filter wrench Tighten fil...

Page 49: ...oil level and add if needed Repeat procedure until transaxle operates at normal noise levels and move smoothly in forward and reverse Grease Fitting and Oil Point Lubrication Lubricate the grease fittings and oil points after every 25 hours of operation Lubricate more often when operating in dusty or dirty conditions Use SAE general purpose lithium or molybdenum base grease for grease fittings and...

Page 50: ... 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 17 Transaxle Oil Reservoir Oil 2 18 Throttle Control Cable Ends Oil 2 19 Engine Dipstick Oil 1 20 Tail Wheel Caster Fork Pivot Grease 2 21 RearAxle Pivot Grease 1 22 Rear Wheel Bearing Grease 2 23 Engine Oil Filler Oil 1 24 PTO Belt Tightener Pivot G...

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

Page 52: ...vent while shining a light into the intake 2 Start the engine and watch the fan begin to spin as the throttle is advanced If the fan is not spinning service or replace the pre cleaner as required Cummins Fleetguard OptiAir Air Cleaner A remote mounted Cummins Fleetguard OptiAir air cleaner provides the air filtering function The primary filter element slides over an outlet tube inside the air clea...

Page 53: ...ment 2 Removetheprimaryfilterelementbypullingitout of the canister There will be some initial resis tance as the filter seal breaks loose and slides off of the outlet tube Gently move the end of the filter up and down and side to side or twist to loosen the seal Use gentle action to minimize the amount of dust dislodged as the filter is re moved 3 Replace the primary filter element NOTE Washingthe...

Page 54: ...esettheairfilterrestrictiongauge pressbutton on the end of the indicator Engine Cooling System Cooling Air Intake System To prevent engine overheating and possible engine damage clean grass clippings chaff and dirt from the rotating engine cooling air intake screen after ev ery 8 hours of operation In certain mowing condi tions dry grass leaves tree cotton etc it may be nec essary to check and cle...

Page 55: ... engine cooling shroud and clean the cylinder head cooling fins thoroughly to prevent overheating and extend engine life Make sure cool ing shroud is reinstalled properly This procedure will require removing the engine from the chassis Kohler Engine Shroud Rotating Engine Cooling Air Intake Screen Engine Cooling Fin Access Panels Rotating Engine Cooling Air Intake Screen and Cooling Fin Access Pan...

Page 56: ... NOTE While some degree of material buildup in the mower deck housing can be 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 tilt up position Do not move the tractor with the deck in the tilt up position 6 Lower the deck to the normal operating positio...

Page 57: ...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 the input shaft the cooling fan blowing dusty air and oil on the transmission will quickly pack the cooling fins with oily dirt If this condition occurs contact your dealer immediately to avoid overh...

Page 58: ...hine A hazard may be created by damage to critical working parts and safety systems CAUTION Important Battery Service Installation and Changing Tips for Electronic Fuel Injected engines Do not allow the battery cables to touch opposing terminals When connecting bat tery cables attach the positive cable to positive battery terminal first followed by negative cable to negative battery terminal Never...

Page 59: ...kPa Rear 20 PSI 137 kPa Wheel Nut Torque Check the eight 8 Drive Tire mounting nuts Every 100 hours they should each be torqued to 75 to 85 lb ft 102 to 115 N m Sharpen Mower Blades Check mower blade s for straightness sharp ness condition of the cutting edge and balance every 10 hours of operation or more often when mowing abrasive type grass or operating on sandy soils Replace blades if worn ben...

Page 60: ...her end drops Balance of a blade is generally main tained by removing an equal amount of material from each end of the blade when sharpening Blade Balancer Blade Balanced on Magnetic Wall Mounted Balancer 7 Mount the blade with wing tips pointing up into the housing Reinstall the blade washer and bolt Tighten the bolt to 64 lb ft 87 N m Drive Belts Raise the body and inspect the condition of the f...

Page 61: ...tches on the tractor Seat Switch FSC Neutral Park Switch and PTO Switch NOTE There is a 1 2 second time delay function on the seat switch to avoid engine power interruption when driving over bumps If any of the following conditions occur during starting or operating a safety interlock switch may be mal functioning Contact your Walker dealer for trouble shooting and or replacement With or without a...

Page 62: ... ALWAYS use genuine factory re placement parts Substitute parts CAN result in product malfunction and possible injury to the oper ator and or others Drive Belts There are four 4 individual drive belts on the ma chine Engine PTO Belt Matched Set of 3 Ground Drive Belt The belts may be removed and replaced using the procedures described on the following pages Belt Locations Engine Hidden for Clarity...

Page 63: ... engine PTO belt a Reverse the removal procedure to replace an engine PTO belt b Secure wire on lock pin above tab on lower PTO guard and right hand guard Engine PTO Belt Belt Guards 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 Right Hand Guard Upper LH Guard Lower LH G...

Page 64: ... 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 Ground Drive Belt Assembly Disengaged Ground Drive Belt Assembly Engaged Ground Drive Belt Idler Pulley Hydro Idler Arm Drive Pulley LH Transaxle Adjust Belt Tensioner Stop RH Transaxle Ground Drive Belt Raise Idler Pulley to Relax Belt Hydro...

Page 65: ...ither side of the filter away from filter and pull fuel lines off filter 2 Replace filter Mower Blades Mower blades are removed and remounted as de scribed in the Sharpen Mower Blades instructions refer to CHECKING SERVICING to Sharpen Mow er Blades in this section During the course of sharpening and inspecting mower blades if there are any of the following conditions of wear or dam age bladesshou...

Page 66: ...t and should be replaced Inspect the blade surface especially in formed areas for cracks Replace the blade if any cracks are found WARNING DO NOT try to straighten a blade that is bent NEVER weld a broken or cracked blade ALWAYS replace with a new blade to assure safety Reinstall the blades following procedure from Sharp en Mower Blades instructions If blades are re placed always use Walker origin...

Page 67: ...ley 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 belt loose at the LH spindle and then install the belt by compressing the belt ten sioner as noted above b After the belt is in place reset the belt ten sioner stop bolt by turning outward until contacting the ...

Page 68: ... other If they are 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 with the LH lever Levers should sit parallel to each other Lever Alignment 2 Adjust the position of the RH lever by turning the stop bolt in the Speed Control Actuator in or out Turning ...

Page 69: ...r Position Adjustment 2 Securely block the tractor up so the drive tires are off the ground 3 Adjust the elastic stop nuts at the front of both control rods so that 2 or 3 threads are visible then loosen the jam nuts on the ball joints at the back of the control rods Control Rods Control Arm Transmission Control Rod and Arm Location Front Body Hidden for Clarity Control Rod Locating Stud Transmiss...

Page 70: ...mission Control Arms should not be contacting the locating stud in the transaxle If they are back the set screws out until they do not touch T Handle Hex Wrench Maximum Speed Tracking Adjustment 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 speed and with th...

Page 71: ...n of the FSC lever The FSC lever should be within 1 8 in 3 mm of the NEUTRAL PARK position If this distance is greater than 1 8 in 3 mm the FSC Neutral Switch needs to be adjusted downward for quicker activation Step 7 Forward Speed Control Friction Adjustment FSC Position with Levers 1 Place the FSC in the full FORWARD position and pull both steering levers back the FSC lever should not move If t...

Page 72: ...proceed with adjustment as follows Adjust the length of the clutch actuator link to achieve a clutch spring assembly bolt head clear ance 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 and shorten the clutch actua tor link to increase this measurement or lengthen the clutch actuator link to decrease this measure ment If adjustment...

Page 73: ...thin five 5 seconds after disengaging the clutch 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 pivot stop arm and stop bolt to make contact refer to Blade Brake Band Adjustment illustra tion 1 Tocheckthepulleytravel firstengagetheclutch then measure the distan...

Page 74: ...essary 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 Brake Band Adjustment Nut Chassis Mount Ref Blade Brake Band Adjustment 2 After adjustments are complete check blade brake action as described in CHECKING SER VICING the Blade Brake Action in this sectio...

Page 75: ...ns or failure to follow the instructions contained in the Operator s Manual for operation and maintenance B The customer 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 WARRANTY Warranty service can be arranged by contacting the dealer where you purchased...

Page 76: ...WALKER MFG CO 5925 E HARMONY ROAD FORT COLLINS CO 80528 970 221 5614 FORM NO 010912 PRINTED IN USA www walkermowers com 2014 WALKER MFG CO ...

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