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Maintenance Instructions

CLEANING

2. Use a pressure washer or water spray, and di-

rect the spray inside the blower housing against

the blower blades. Water pressure will cause

the blower wheel to begin to spin and the com-

bination of spinning action and water will effec-

tively wash the inside of the housing. Spray

may be directed against the blower blades ver-

tically and horizontally to cause rotation in both

directions for thorough washing action.

Wash

blower until the blower wheel spins freely

both directions.

3. Reinstall the GHS blower drive belt by reversing

the removal procedure.

Depress Idler Pulley

Down to Relax Belt

Blower

Drive Pulley

Blower

Pulley

GHS Blower

Drive Belt

Belt Tightener

Idler Pulley

Collapse Blower Belt Tightener

to Remove GHS Blower Drive Belt

GHS Exhaust Screen

Refer to

Cleaning the GHS Exhaust Screen

Op

erating Instructions

Hydrostatic Transmission Cooling Fins

Keeping the cooling fins on the hydrostatic transmis-

sions clean and free of obstruction is

essential to

avoid overheating

the transmission fluid and short-

ening transmission life. The cooling fins should be

checked

every 100 hours;

and cleaned if neces-

sary.
To clean the fins, use compressed air and/or a pres-

sure washer. The cooling fins extend all the way

around the housing -- the fins underneath need to

be clean as well as the more visible fins above. Also,

pay close attention to the area under the drive pul-

ley.

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, replace

the seal immediately to avoid overheating and dam-

aging the transmission. The input shaft assembly

and seal are easily replaced without removing the

transmission from the machine.
An additional procedure in maintaining transmission

cooling is to inspect the cooling fans. Replace the

fan(s) if blades are missing or damaged.

Cooling Fan

Cooling Fins

Hydrostatic Transmission Cooling Fins

Содержание T23

Страница 1: ...nual Safety 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 13424...

Страница 2: ...y to the operator 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...

Страница 3: ...allation on Tractor________ 22 Deck Installation______________________ 22 Deck Leveling________________________ 25 PREOPERATING CHECKLIST__________ 26 Operating Instructions______________ 28 CONTROL I...

Страница 4: ...g the Terminals_________________ 69 Charging the Battery___________________ 69 Tire Pressure__________________________ 70 Wheel Bolt Torque_____________________ 70 Sharpen Mower Blades________________...

Страница 5: ...heels HYDROSTATIC TRANSMISSION transmits 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 faci...

Страница 6: ...horized servicing agent of the component manu facturer Any unauthorized work done on these components during the warranty period may void the warranty If you have any difficulty finding an authorized...

Страница 7: ...dson RadialsealTM Walker P N 5090 1 Primary 5090 3 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 35AH 300 CCA Charging System Flywheel Alternator Charging Output 15 Amp DC Regulated System Polarity...

Страница 8: ...00 4 Pneumatic 4 Ply Optional 11 x 4 00 5 Pneumatic 4 Ply DS52 DS62 DS74 Only Drive 18 x 9 50 8 Pneumatic 4 Ply Standard 18 x 10 50 10 Pneumatic 4 Ply Optional Low Profile Tailwheel 13 x 5 00 6 Pneuma...

Страница 9: ...00 91 Grass Catcher Capacity gal bu L 93 10 352 Full Signal Grass Pak Switch Oscillating Vane Switch Mounted on Grass Delivery Spout Triggers Horn Signal Powerfil Oscillating Delivery Spout Driven by...

Страница 10: ...Bushel Catcher Deck Caster Wheel Turbine Precleaner Tilt Up Latch Counterweight Spring and Protective Cover Spring Clip Deck Support Pins and Height Adjustment Hitch Pins Catcher Lift Dump Handle Deck...

Страница 11: ...le Grass Catcher Screen Not Visible Oil Drain Plug Instrument Panel Guard Instrument Panel Box Shock Mounted Dump Plate Muffler Tailwheel Fork and Wheels Catcher Air Exhaust Catcher Door Handle Fuel F...

Страница 12: ...ion LH Hydrostatic Transmission 20 Amp Fuse Starter Solenoid Fuel Pump Air Intake Plenum Exhaust Grass Shield Voltage Regulator Rectifier Fuel Pickup Line Precleaner Tube Jackshaft PTO Gearbox Dipstic...

Страница 13: ...y Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed with many safety features to protect the operator from personal harm or injury However it i...

Страница 14: ...f 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 H...

Страница 15: ...an ignition interlock 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...

Страница 16: ...e hinge and pinch points when the door is being closed Also keep fingers and hands clear of the door frame The door may slam shut with considerable force 20 In case of a clogged or plugged mower deck...

Страница 17: ...ely 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 safe...

Страница 18: ...eck or other implement attached 4 PTO Clutch Lever Move lever forward to disengage PTO clutch back to engage 5 Warning do not engage PTO clutch with PTO shaft disconnected Location RH Fender Part Numb...

Страница 19: ...eep any discharge deflector in place and in the lowest position 2 Warning rotating mower blades are a cutting dismemberment hazard to hands and feet Keep all body parts away from rotating mow er blade...

Страница 20: ...h Raise lever to release Lift at back of body to raise 1 1 Caution Pinch point Keep all body parts clear when closing grass catcher door Location Catcher Door Hinge Bar LH and RH Sides Part Number 860...

Страница 21: ...indoors or in other enclosed areas 8600 12 1 Location Instrument Panel Part Number 8823 8 Location Front Body Adjacent to RH Steering Lever Part Number 8600 34 1 Warning read Operator s Manual before...

Страница 22: ...vel should be at the bot tom of the vent wells 1 4 to 1 2 in 6 to 13 mm above plates If the specific gravity is less than 1 225 the battery needs charging If the battery has been shipped dry or is wet...

Страница 23: ...es to the battery 1 Charge the battery at 15 amps for 10 minutes DO NOT exceed 20 amps maximum recom mended charging rate Charge until specific gravity is at least 1 250 Total charging time should not...

Страница 24: ...Only Mount the discharge chute hinge on top of the deck discharge opening using two 2 1 4 20 x 1 2 in car riage bolts and 1 4 20 ESNA nuts Position the screws with the heads inside the chute and the...

Страница 25: ...s Mower Deck Installation 2 Engage the deck carrier frame tube sockets on the tractor support arms refer to Discharge Chute and PTO Shaft Guard Installation pho to for socket location slide the deck o...

Страница 26: ...on the deck arms If the deck is a collection GHS equipped model the discharge chute will need to be aligned and connected to the blower inlet dur ing the last 2 in 51 mm of slide action on the support...

Страница 27: ...s 23 Spring Tension Adjustment Nut Located Under Lower Spring Hook Not Visible Hitch Pins Lock Deck on Support Arms Counterweight Springs Clip Onto Body With Forward Body Tilted Up Deck Counterweight...

Страница 28: ...rocedure 2 Check the side to side level Rotate each blade sideways and measure the distance from blade tip to ground on each side If mea surements vary more than 1 8 in 3 mm add a washer shim under th...

Страница 29: ...oline 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 Engi...

Страница 30: ...Blower in Mainte nance Instructions for blower cleaning information DANGER Never operate cutter blades with deck in raised position because it is hazardous The tilt up deck can be secured in the rais...

Страница 31: ...a cold engine move the choke control forward to the ON position After engine starts move the choke control toward the OFF position keeping enough choke to allow the engine to run smoothly as it warms...

Страница 32: ...ition Steering Levers Each drive wheel is controlled by its own indepen dent steering lever for both steering function and FORWARD REVERSE motion The FSC lever sets the maximum forward speed and also...

Страница 33: ...FT WHEEL STEERING LEVER Reverse Drive Wheel Motion Position Neutral Park Position RIGHT WHEEL STEERING LEVER FORWARD SPEED CONTROL LEVER FSC Full Forward Ground Speed Position Neutral Park Position In...

Страница 34: ...rd to release the pin Engaged Position Parking Brake Engaged Disengaged Position Parking Brake Disengaged Transmission Lockout Levers The transmission lockout levers disengage the hy drostatic transmi...

Страница 35: ...on shows the configuration of the switches and indicators located on the instrument panel Instrument Panel Warning Horn Light Switch Optional Circuit Breaker 7 Amp Hourmeter Over Temperature Warning L...

Страница 36: ...tem failure The cause of the failure should be determined and cor rected Oil Pressure Warning Light Horn The oil pressure warning light and horn indicate that engine oil pressure is below the safe ope...

Страница 37: ...lights and correct the problem before fur ther operation Circuit Breakers One manual reset 7 amp circuit breaker that pro tects the safety circuits and GHS is located on the instrument panel A button...

Страница 38: ...o the OFF position keeping enough choke on to allow the engine to run smoothly as it warms up As soon as pos sible move the choke to the OFF position IMPORTANT Make sure the choke is in the OFF positi...

Страница 39: ...Hand Position on the Controls Beginning Recommendations are Learn operation of the mower in an open area away from buildings fences and ob structions Learn operation on flat ground BEFORE operating on...

Страница 40: ...PARK position NOTE If the tractor creeps forward or back ward with the FSC lever in the NEUTRAL PARK position the transmission control needs to be adjusted Refer to ADJUSTMENTS for Trans mission Cont...

Страница 41: ...es thoroughly for damage Make sure that the blade timing has not been dis turbed the blades should be at 90 degrees to each other Refer to REPLACING RE PAIRING the Blade Overload Shear Bolts in Mainte...

Страница 42: ...witch OFF WARNING Remove the key from the ignition switch when leaving the mower unattended This will prevent children and inexperienced operators from starting the engine 5 Engage the parking brake A...

Страница 43: ...ed Towing can produce excessive internal pressure and damage the trans mission To move the mower with the engine NOT running dead battery maintenance etc the hydrostatic transmissions are unlocked rel...

Страница 44: ...ower to the highest setting 4 in 102 mm for the first pass and then make a second pass cutting to the desired height Use a slow setting on the FSC for trimming operations Make sure the mower is levele...

Страница 45: ...d maneuver Avoid sharp turns or sudden changes in direction The maximum recommended slope operating angle is 15 degrees or 26 grade 16 in 15 52 in Maximum Recommended Slope Do Not Operate on Steep Slo...

Страница 46: ...ody 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 considerable force potentially causing deck or tractor damage...

Страница 47: ...ion Mower Deck Exhaust Screen Removable Grass Catcher Deck Discharge Chute Full Signal Horn Actuator Rod Powerfil Drive Motor PTO and Blade Gear Drive Shear Bolt Catcher Air Exhaust Powerfil Delivery...

Страница 48: ...bulldozing leaves particularly when the leaves are piled in a thick layer To make this ad justment the hitch pins in the two 2 front deck support pins are repositioned 2 to 3 notches higher while lea...

Страница 49: ...eck Bottom View FORWARD Rear Discharge Chute Blades Must Operate at Right Angles 90 Degrees Mounting Nut Torque 60 lb ft 81 N m Blade Rotation for Reverse Rotation GHS Mower Deck Bottom View Check the...

Страница 50: ...blade clutch to the ENGAGED posi tion The spout should oscillate approximately 35 cycles per minute NOTE If the grass spout fails to oscillate the clutch switch should be checked for function the swit...

Страница 51: ...ate dumps into a disposal area or dumps into the optional dump bag The dump bag is a reusable nylon fabric bag designed to conveniently move grass clippings from the catcher to a remote disposal area...

Страница 52: ...th the one hand while continuing to hold up on the bag strap with the other hand Refer to photos for posi tioning the bag and dumping Catcher Lift Dump Handle Dumping Catcher into Dump Bag 5 Lower the...

Страница 53: ...r raising the catcher with the power dump jig gle the steering levers and make the tractor bounce a little to unstick the grass and make it slide out of the catcher NOTE With the power dump mechanism...

Страница 54: ...the NEUTRAL PARK Position and the parking brake engaged and by standers stay clear when the Hi Dump is operating To avoid tipping over the machine should be parked on LEVEL GROUND when raising dumpin...

Страница 55: ...nts 1 2 Catcher Door Grass Catcher Catcher Door Gas Spring Upper Arm Cable Guide Lift Channel Power Dump Ram Actuator Fork Rubber Bumper Dog Leg Assembly Gas Spring Cable Assembly Lower Arm Door Arm A...

Страница 56: ...le Assembly Auxiliary Power Terminals Not Visible Hydraulic Valve Block Lift Toggle Switch Electric Solenoid Valve Actuator s Lift Cylinder Safety Lockout Arm Dump Cylinder Lower Arm Catcher Door Gas...

Страница 57: ...ilter x 56 Check Regap Spark Plugs x 70 Replace Air Filter Element Safety Filter Dust Ejection Valve x 63 Replace Fuel Filter x 78 Service Battery x 68 Check Transmission Control Settings x 81 Check F...

Страница 58: ...horsepower and move more cooling air through the engine cool ing fins Air Cleaner System Use only Donaldson air cleaner elements After market elements may not seal in the air cleaner housing allowing...

Страница 59: ...the engine is cool and oil has had time to drain into the sump allow at least five 5 minutes after stopping the engine IMPORTANT NEVER check or add oil with the engine running 2 Before removing the d...

Страница 60: ...t oil filters may not seal properly and or may not have the correct pressure relief valve for proper lubrication 7 Install the new oil filter on the engine Turn the filter clockwise until the rubber g...

Страница 61: ...x 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 required to refill the gear drive assembly NOTE Since the gea...

Страница 62: ...t of the dipstick standpipe If the oil level is low check the gearbox for any indi cation of an oil leak If an oil leak is noted the gear box will need to be removed and rebuilt PTO Gearbox Jackshaft...

Страница 63: ...ion is not performing properly contact your local dealer Attempting to add fluid or service the transmission may VOID THE TRANSMISSION WARRANTY NOTE Loosening the air bleed plug on top of the transmis...

Страница 64: ...utch Lever Pivot Grease 1 26 ClutchActuator Push Rod Grease 2 27 Belt Tightener Pivot Grease 1 PTO Clutch 28 BrakeActuator Rod and Brake Oil 3 Band Pivots Clevis 29 BrakeActuator Pivot Grease 1 30 Thr...

Страница 65: ...Instructions LUBRICATION 61 Chassis and Deck Lubrication Points DC42 Shown 11 1 1 7 12 12 5 5 4 4 4 34 36 37 38 33 39 30 40 38 23 13 32 33 31 35 31 14 19 23 21 19 24 26 25 26 27 28 29 30 20 22 18 13 1...

Страница 66: ...separates dust from the air giving the initial stage of air clean ing Dust particles are exhausted through a single small vent in the side of the housing Since no dust is trapped the precleaner opera...

Страница 67: ...ir Filter Restriction Gauge Location Inspect the paper element after every 100 hours of service and replace the element and safety filter yearly or when dirty or damaged More frequent replacement may...

Страница 68: ...Use special care to clean both the inside and outside surfaces of the outlet tube IMPORTANT Any dust left on the inside of the outlet tube will go into the engine and cause wear 8 Check the outside su...

Страница 69: ...airflow If there is little or no airflow clean the cooling fins as follows DANGER Make sure to keep hands clear of exhaust pipe muffler and moving parts when checking airflow Every 100 hours inspect a...

Страница 70: ...lock levers CAUTION Do not operate machine with deck tilt up pivot joint unlocked GHS Blower Normally the GHS blower operates with no mainte nance or cleaning However when mowing grass that is dirty...

Страница 71: ...ns Keeping the cooling fins on the hydrostatic transmis sions clean and free of obstruction is essential to avoid overheating the transmission fluid and short ening transmission life The cooling fins...

Страница 72: ...ery cell filler caps 2 Check the electrolyte level If the level is below the bottom of the vent well fill with distilled wa ter to the bottom of the vent wells 1 4 to 1 2 in 6 to 13 mm above the plate...

Страница 73: ...e Grass Build up in Mower Deck Housing in this section for deck rais ing instructions DANGER NEVER operate cutter blades with the deck in the raised position NOTE PTO shaft must be disconnected be for...

Страница 74: ...lower drive If the belts show signs of cracking or deteriorating the belts should be replaced Refer to REPLACING REPAIRING the Drive Belts in this section Mower Deck Gearbox Oil Seals The mower deck g...

Страница 75: ...g le vers Set the FSC at different speeds and observe if the mower moves in a straight line use a cement joint or other line on the ground for reference If the machine is drifting to the right or left...

Страница 76: ...d Speed Control FSC and or PTO engaged With an operator in the seat the Forward Speed Control FSC and PTO disengaged and panel horn sounding the starter will not engage Forward Speed Control Friction...

Страница 77: ...ts CAN result in product malfunction and possible injury to the op erator and or others Drive Belts There are four 4 individual belts on GHS models or three 3 belts on SD models Jackshaft Drive Belt E...

Страница 78: ...tch idler away from the belt d Next remove the belt from the engine pulley and then the PTO drive pulley 2 Install the PTO drive belt by reversing the re moval procedure IMPORTANT Make sure the belt i...

Страница 79: ...ressing the spring loaded idler arm c Roll the belt off the jackshaft pulley and remove Jackshaft Drive Belt Disengaged 2 Reverse the removal procedure to replace the jackshaft drive belt Jackshaft Dr...

Страница 80: ...ner arm Roll the belt off the blower pulley GHS Blower Drive Belt Assembly Disengaged 2 Reverse the procedure to install the GHS blow er drive belt GHS Blower Drive Belt Assembly Engaged Depress Idler...

Страница 81: ...belt b Slide belt off pulleys then release the idler Hydrostatic Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the hydrostatic ground drive belt Hydrostatic Ground Drive Be...

Страница 82: ...e up spilled gasoline immediately and completely Model T23 is equipped with an in line fuel filter Vi sually inspect the filter periodically and replace the filter yearly In Line Fuel Filter Fuel Filt...

Страница 83: ...TE Tightening the 5 8 18 blade mounting nut to 60 lb ft 81 N m is also important for proper shock load protection It is important to not over tighten the mounting nut since this defeats over rides the...

Страница 84: ...e 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 or dama...

Страница 85: ...for a new machine after initial 5 or 10 hours of operation to begin to not travel straight this is due to the break in of the trans missions In this case proceed to Straight Ground Travel Adjustment...

Страница 86: ...ontrol rod can place excessive loads on the transmission internal control stops and cause internal wear and damage to the transmis sion Making additional turns beyond one turn reduces the maximum forw...

Страница 87: ...ion with the FSC in neutral the engine will not start when the switch is open Straight Ground Travel Adjustment Step 4 1 Sitintheseat starttheengine operateatnormal speed and with the FSC in the NEUTR...

Страница 88: ...ged and PTO Clutch Disen gaged illustrations Adjust the bolt head clearance 1 4 to 3 8 in 6 35 to 9 53 mm first clutch engaged then adjust uncompressed spring length clutch disengaged The spring must...

Страница 89: ...s adjustable and is set to give belt release without excessive slack and to apply the blade brake The blade brake is activated by the brake actuator rod linkage to the clutch idler pulley mechanism Th...

Страница 90: ...block that will allow four adjustment positions from 5 16 to 11 16 in 8 to 17 mm 11 16 in 17 mm 9 16 in 14 mm 7 16 in 11 mm 5 16 in 8 mm PTO Belt Tightener Stop Block Adjustments Clutch Idler Pulley T...

Страница 91: ...Brake Band Adjustment NOTE The length of the actuator rod is adjusted by disconnecting the bottom clevis and shortening or lengthening accordingly The standard pre set length of the actuator rod is se...

Страница 92: ...steering levers back the FSC lever should not move If the FSC lever moves back when the steering levers are pulled back the friction needs to be increased Forward Speed Control Position Checking Fric...

Страница 93: ...cknut Position Steering Handle Adjustment Tilt Up Deck Adjustable Stop When the carrier frame hinge joint is properly ad justed the deck lock levers should move in and out of the engaged and disengage...

Страница 94: ...h the engine running Projectiles CAN be thrown out of the grass delivery spout and CAN cause serious injury to bystand ers or property damage 2 Measure from the exhaust screen top of catch er to the t...

Страница 95: ...proper maintenance improper use or abuse of the product alterations or failure to follow the instructions contained in the Operator s Manual for operation and maintenance B The customer shall pay any...

Страница 96: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 100317 PRINTED IN USA www walkermowers com 2017 WALKER MFG CO...

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