Walker T23 Operator'S Manual Download | Manualshive

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Operating Instructions

43

GRASS HANDLING SYSTEM (GHS)

GHS Model Only

GHS Flow and Components

Catcher

Door

PTO Clutch

Collection

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 Spout

Dump

Handle

Body Chute

Assembly

Catcher Delivery

Chute

Blower

Grass-Pak

®

Vane Switch

Catcher

Door Spring

(Not Visible)

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Summary of Contents for T23

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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