Walker B23i Operator'S Manual Download Page 4

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Table of Contents

CLEANING

____________________________ 45

Engine Air Cooling System

_____________ 45

Cylinder Head Cooling Fins

____________ 46

Engine Air Cleaner System

_____________ 47

Turbine Precleaner

___________________ 47

Enginaire™ VLR Air Cleaner

___________ 47

Grass Buildup in Mower Deck Housing

___ 49

Transaxle Housing

____________________ 50

CHECKING/SERVICING

__________________ 51

Security of Air Cleaner System

__________ 51

Battery

______________________________ 51

Electrolyte Level

_____________________ 51

Cleaning the Terminals

________________ 52

Charging the Battery

__________________ 52

Tire Pressure

_________________________ 52

Wheel Nut Torque

_____________________ 52

Sharpen Mower Blades

________________ 52

Drive Belts

___________________________ 53

Mower Deck Gearbox Oil Seals

__________ 53

Spark Plugs

__________________________ 54

Ignition Wires

________________________ 54

Fuel Lines and Clamps

_________________ 54

Blade Brake Action

____________________ 54

PTO U-Joints

________________________ 54

Engine Starter

________________________ 54

Safety Switch System

__________________ 54

Forward Speed Control Friction Lock

_____ 55

REPLACING/REPAIRING

_________________ 55

Drive Belts

___________________________ 55

Engine/PTO Belt

_____________________ 56

Ground Drive Belt

____________________ 57

Fuel Filter

___________________________ 58

Blade Overload Shear Bolts

_____________ 59

Shear Pin (If Equipped)

________________ 59

Mower Blades

________________________ 60

ADJUSTMENTS

________________________ 61

Transmission Control

__________________ 61

Steering Lever Position Adjustment

______ 61

Steering Handles Adjustment

___________ 62

Neutral Position Adjustment

____________ 62

Full Forward Speed Adjustment

_________ 64

Straight Tracking Adjustment

___________ 64

FSC Neutral Switch Adjustment

_________ 64

Forward Speed Control Friction Adjustment

Blade Clutch (PTO)

____________________ 66

Clutch Engagement/Belt Tension

________ 66

Clutch Disengagement/Brake Action

_____ 67

Idler Pulley Maximum Travel Adjustment

__ 67

Blade Brake Band Adjustment

__________ 68

Tilt-Up Deck Adjustable Stop

____________ 68

Operator’s Notes

_______________

Warranty

_____________________

Summary of Contents for B23i

Page 1: ...Assembly Operating and Maintenance Instructions Please Read and Save These Instructions For Safety Read All Safety and Operation Instructions Prior to Operating Machine Beginning S N 124998 Effective...

Page 2: ...or others If any thing 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...

Page 3: ...___ 20 Deck Leveling________________________ 22 PREOPERATING CHECKLIST______________ 23 Operating Instructions______________ 25 CONTROL IDENTIFICATION LOCATION AND FUNCTION ______________ 25 Ignition...

Page 4: ...______________________ 54 Engine Starter_________________________ 54 Safety Switch System__________________ 54 Forward Speed Control Friction Lock______ 55 REPLACING REPAIRING__________________ 55 Dri...

Page 5: ...LEFT HAND LH refers to 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 RIGHT HAND R...

Page 6: ...uthorized servicing agent of the component manufacturer Any unauthorized work done on these components during the war ranty period may void the warranty If you have any difficulty finding an authorize...

Page 7: ...Cooled Air Cleaner Remote mounted EnginaireTM S N 133533 and prior Walker P N 5090 1 Primary 5090 3 Safety Filter Remote mounted EnginaireTM VLR S N 133534 to Current Walker P N 5090 4 Primary 5090 5...

Page 8: ...PTO Shaft Quick Disconnect Splined Shaft with Two 2 High Speed U Joints Blade Drive Clutch and Brake Manual Belt Tightener Clutch and Band Brake Stops Blades within Five 5 Seconds of Disengagement TI...

Page 9: ...Only 594 269 With PTO Quick Disconnect Coupling Tractor with 48 Mulch Deck DM48 2 800 363 DRIVE BELTS Engine PTO Walker P N 4230 1 Ground Drive Walker P N 4230 2 SEAT Contour Molded with Nylon Backed...

Page 10: ...upport Pins and Height Adjustment Hitch Pins Tilt Up Deck Handle Counterweight Springs and Protective Covers Deck Support Arm Oil Pressure Warning Horn Not Visible Forward Speed Control FSC Friction A...

Page 11: ...fication 7 Rear View and Left Side View Left Hand Drive Wheel Muffler Footrests Fuel Pickup Line Fuel Tank and Cap Tailwheel Fork and Wheel Tailpipe Cylinder Head Cooling Fins Spread Axle Tail Wheel D...

Page 12: ...sion Control Arm LH Transmission Control Arm Parking Brake Lever Fuel Pickup Line Fuel Tank Roll Over Valve Fuel Gauge LH Transaxle Fuel Tank Cap EVAP Line Dipstick Fuel Filter Oil Fill Muffler Heat S...

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

Page 14: ...en gine should stop if the operator lifts off the seat with either the Forward Speed Control FSC out of the NEUTRAL PARK position or the PTO clutch in the ENGAGED position 10 Handle gasoline with car...

Page 15: ...nterlock switch normally prevents starting of the machine if these con trols are in the OPERATING position 7 Do not operate machine if the operator pres ence safety switch system is not working Verify...

Page 16: ...orward with deck in tilt up position 18 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 shaf...

Page 17: ...sely affects its operation perfor mance durability or use will VOID the war ranty and may cause hazardous conditions 8 Never attempt to disconnect any safety devices or defeat the purpose of these saf...

Page 18: ...Warning thrown object hazard Keep bystanders away from the machine when operating Clear lawn of debris before operating Keep any discharge deflector in place and in the lowest position 2 Warning rota...

Page 19: ...gnition key 4 Warning do not engage PTO clutch with PTO shaft disconnected 5 PTO Clutch Lever Move lever forward to engage PTO clutch back to disengage 1 Throttle Move lever forward to increase engine...

Page 20: ...efore adjusting deck cutting height 1 Tighten blade nuts on gear driven decks to 60 lb ft 81 N m 1 Ground drive belt routing 2 Engine PTO clutch belt routing 1 Warning carbon monoxide CO poisoning haz...

Page 21: ...ated by damage to critical working parts and safety sys tems Wet Battery Service If the battery has been shipped wet but the electro lyte level is low or the battery needs to be charged then 1 Fill ea...

Page 22: ...rate Charge until specific gravity is at least 1 250 Total charging time should not exceed one 1 hour 2 After charging the battery adjust the electrolyte level to the bottom of the vent wells 1 4 to...

Page 23: ...shers if used spin freely without binding Spacer Washer Axle Bolt Axle Spacer Tube Deck Caster Wheel Installation 5 Grease the caster wheel bearings and caster pivot bearings one grease fitting for ea...

Page 24: ...orconvenience butisnotrequiredforinstallation PTO Coupler Tube Coupler Installation Tool Retract Spring Loaded Quick Disconnect Ring PTO Coupler Installation Tool 4 Reaching under the tractor slide th...

Page 25: ...of deck and clip the counterweight springs to the receptacle on front of body Lower the body to tension the springs Refer to Deck Counterweight Spring Installation photo 9 With the counterweight spri...

Page 26: ...front to rear level Rotate the blades to point forward Measure the distance from bladetiptogroundonthefrontandrear Therear of the blade should be 1 8 to 1 4 in 3 to 6 mm higher than the front of the b...

Page 27: ...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...

Page 28: ...position Tilt Bar Tilt Up Latch Tilt Up Hook and Latch Connected Tilt Up Hook Deck Secured in TILT UP Position CAUTION Do not operate machine with deck tilt up pivot joint unlocked DANGER Do not oper...

Page 29: ...and S is the START position When start ing the engine turn the key clockwise to the S po sition Do not hold the key in the S position longer than 10 seconds If the engine does not start return the ke...

Page 30: ...blade clutch lever has two positions Pushing the lever DOWN engages the PTO that drives the mower blades Pulling the lever UP disengages the PTO and engages the blade brake Steering Levers Each drive...

Page 31: ...released to permit free wheeling By releasing the arms and recessing them back toward the chassis the transaxles are engaged for normal operation The transaxle arms in the LOCKOUT position are used to...

Page 32: ...nue until one hour after the recommended interval two hours The hourmeter does not have a manual reset function Procedure Interval Reminder Oil Change Break In 4 6 Hours C H G OIL Lubricate and Check...

Page 33: ...of the Steering Levers Reverse Drive Wheel Motion Position Engaged Position Disengaged Position Engaged Position Disengaged Position Forward Position No Control Change RIGHT WHEEL STEERING LEVER Full...

Page 34: ...n switch to the START posi tion to start the engine Release the key to ON RUN position as soon as the engine starts IMPORTANT DO NOT crank the engine con tinuously for more than 10 seconds at a time I...

Page 35: ...eering levers Pull Steering Levers With Left Hand Forward Speed Control FSC Keep Feet On Footrest When Moving Correct Operator Hand Position on the Controls 3 Reverse direction of the mower by pulling...

Page 36: ...the tractor creeps forward or back ward with the FSC lever in the NEUTRAL PARK po sition the transmission control needs to be ad justed Refer to ADJUSTMENTS for Step 3 Neutral Position Adjustment in t...

Page 37: ...ating the mower Contact your Walker dealer 4 Turn the ignition switch OFF When stopping the engine do not reduce the throttle below 1 2 speed Since the engine is equipped with a shutdown solenoid stop...

Page 38: ...s mower faster than 2 mph 3 2 km h with the transmission lockout en gaged Towing can produce excessive internal pressure and damage the transaxle s To move the mower with the engine NOT running dead b...

Page 39: ...ass and then make a second pass cutting to the desired height Use a slow setting on the FSC for trimming op erations Make sure the mower is leveled properly for a smooth cut Refer to Deck Leveling in...

Page 40: ...tilt up position since both the roller wheels on the back of the deck may be damaged by moving the tractor The tilt up configuration should only be used when the tractor is parked The tractor body sho...

Page 41: ...x 54 Clean Transaxle Housing x 50 Clean Engine Cooling Fins x 46 Check Air Filter Element x 48 Check Regap Spark Plugs x 54 Change Engine Crankcase Oil x 40 Change Engine Oil Filter x 40 Replace Fuel...

Page 42: ...ldingahandadjacenttothecylinder head and feeling the cooling airflow DANGER Make sure to keep hands clear of exhaust pipe muffler and moving parts when checking airflow Operate the engine at full spee...

Page 43: ...on IMPORTANT The importance of checking and maintaining the proper crankcase oil level cannot be overemphasized Check the oil level BEFORE EACH USE 1 Park the mower on a level surface with the en gine...

Page 44: ...ep dirt and debris out of the engine 5 Remove the old oil filter and wipe off the filter mounting surface on the engine 6 Apply a thin coating of clean oil to the rubber gasket on the replacement oil...

Page 45: ...es If the lubricant is low add SAE E P Extreme Pressure 80W 90 API GL 5 gear lube until the oil level is up to submerges the horizontal shaft in the gearbox shaft parallel to cover plate NOTE In case...

Page 46: ...hActuator SpringAssembly Grease 1 20 Hydro Idler Pivot Grease 1 21 PTO Clutch Lever Pivot Grease 1 22 Transaxle Oil Reservoir Oil 20W 50 1 23 Tail Wheel Caster Fork Pivot Grease 2 24 RearAxle Pivot Gr...

Page 47: ...Maintenance Instructions LUBRICATION 43 Chassis and Deck Lubrication Points DS42 Shown 1 30 19 29 11 12 7 4 4 13 14 15 31 32 31 5 1 2 12 4 5 4 16 27 33 2 18 21 22 16 20 19 28 27 26 17 23 24 23 25...

Page 48: ...and U Joint Lubrication Transaxle Oil and Filter Change Change the transaxle oil after the initial break in period of 75 100 hours Thereafter change oil ev ery 400 hours of operation as follows 1 Thor...

Page 49: ...l purpose lithium or molybdenum base grease for grease fittings Transaxle Lubrication The transaxle oil lubrication is SAE 20W 50 API Service Class SL or higher engine oil Inspect both transaxle cases...

Page 50: ...ows DANGER Make sure to keep hands clear of exhaust pipe muffler and moving parts when checking airflow Check Airflow with Hand Cooling System Airflow Every 100 hours inspect and clean the cooling fin...

Page 51: ...ffling 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 air cleaner outlet to indicat...

Page 52: ...than replacing a dusted engine 4 Use a bright light inside the element to inspect for damage Check the element very carefully for pin holes or other damage that will allow dirt to leak through the pap...

Page 53: ...Buildup in Mower Deck Housing DANGER Before raising or removing the mower deck for cleaning stop the engine re move the ignition key and disconnect the spark plug wires 1 Raise the deck lock lever ha...

Page 54: ...free of obstruction is essential to avoid overheat ing the transmission fluid and shortening transmis sion life The housing should be checked every 100 hours and cleaned if necessary To clean the hous...

Page 55: ...achine A hazard may be created by damage to critical working parts and safety sys tems CAUTION Important Battery Service Installation and Changing Tips for Electronic Fuel Injected Engines Do not allo...

Page 56: ...above the plates Tire Pressure Inflate tires to pressures shown below Deck Caster Wheel 20 PSI 137 kPa Drive 15 PSI 103 kPa Tailwheel 20 PSI 137 kPa Wheel Nut Torque Check the eight 8 Drive Tire moun...

Page 57: ...ined 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 int...

Page 58: ...will stop five 5 seconds after disengagement of the clutch If the brake sys tem malfunctions blades do not stop in five 5 sec onds adjust or repair the brake before operating the mower Refer to ADJUS...

Page 59: ...riction adjusted the FSC lever should move back with a slight amount of resistance friction If the FSC lever movement is stiff the friction needs to be decreased If the FSC friction lock needs to be a...

Page 60: ...Open Engine Hidden for Clarity 2 To replace an 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 Engine PTO Belt Belt...

Page 61: ...Slide belt off pulleys then release the idler Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the ground drive belt Ground Drive Belt Assembly Engaged Depress Idler Pulley to...

Page 62: ...equipped with a 10 micron in line fuel filter between the fuel tank and the fuel pump mod ule Replacement of this filter is recommended ev ery 200 hours of operation or more frequently under extremel...

Page 63: ...d The PTO drive shaft connection to the deck gearbox has a shear pin to provide shock load protection to the mower deck drive This system provides pri mary shock protection in case of blade impact and...

Page 64: ...ades are operated over sandy soil and if blades are allowed to wear a slot may be worn into the wing tip of blade Eventually a piece of the blade may break off creating a serious potential for injury...

Page 65: ...ection Step 1 Steering Lever Position Adjustment NOTE For proper operation the steering levers should be adjusted to sit evenly using the following procedure 1 Examine the steering levers to make sure...

Page 66: ...le in position in the adjustment slide Adjust the han dles into the most comfortable position and tighten both locknuts Locknut Position Locknut Pivot Point Adjustment Slide Steering Handles Adjustmen...

Page 67: ...SC in NEU TRAL PARK start the engine With the engine at normal operating speed check for movement of the drive wheels NOTE It may be necessary to tighten the FSC friction adjustment if the transmissio...

Page 68: ...eutral cannot both be achieved turn the tracking adjustment nut on the faster side counterclockwise until neutral is restored 4 Lengthen the control rod on the slower side by turning the tracking adju...

Page 69: ...3 mm of the NEUTRAL PARK position If this distance is greater than 1 8 in 3 mm turn the adjustment bolt down slightly and recheck switch operation When finished adjusting tighten the jam nut and recon...

Page 70: ...th adjustment as follows Adjust the length of the clutch actuator link to achieve a clutch spring assembly bolt head clearance of 1 4 in to 5 16 in 6 35 mm to 7 94 mm with the clutch engaged To adjust...

Page 71: ...n 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...

Page 72: ...tion as described in CHECKING SER VICING the Blade Brake Action in this section If blades do not stop within five 5 seconds check the following a Make sure clutch and brake linkage are working freely...

Page 73: ...69 Operator s Notes...

Page 74: ...70 Operator s Notes...

Page 75: ...product alterations 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 tran...

Page 76: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 011316 PRINTED IN USA www walkermowers com 2016 WALKER MFG CO...

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