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C23i 

Specifications

5

DIMENSIONS (Tractor and Mower)

Length in. (cm)

Tractor Only

64.5 (164)*

Tractor Wheel Base

44.5 (113)

Tractor with Tilted Deck

 

(Approximate)

77 (196)*

Tractor with 48" Collection Deck 

(DC48-1)

96 (244)*

Width in. (cm)

Tractor Only (Outside Tire)

40.5 (103)

Tractor with 42" Collection Deck 

(DC42-1)

43.25 (110)

Tractor with 48" Collection Deck 

(DC48-1)

49.25 (125)

Tread Width

32 (81)

Height in. (cm)

Tractor

50 (127)*

Weight lb (kg)

Tractor Only

780 (354)*

Tractor with 42" Collection Deck 

(DC42-1)

971 (441)*

Tractor with 48" Collection Deck 

(DC48-1)

999 (453)*

*  Dimensions and weight shown are for tractor with a 10.0 Grass Catcher

GHS SYSTEM

Blower

13.25 in. Diameter, Three-Blade Paddle Wheel

Blower Brake

Ogura Electric Clutch/Brake [Brake Works in Combination with PTO 

Clutch, Stops Blower within Five (5) Seconds of PTO Disengage-

ment]

Max. Blower RPM

2900

Grass Catcher Capacity (Standard) 

gal / bu / L

65 / 7 / 246

Grass Catcher Capacity (Optional)

 

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 12 Volt Electric Gearmotor 

Spreads Material throughout Interior of Catcher @ 35 Cycles/Min

Summary of Contents for C23i

Page 1: ...nce Instructions Please Read and Save These Instructions For Safety Read All Safety and Operation Instructions Prior to Operating Machine Beginning S N 181528 P N 6000 36 Note The C23i shown in this m...

Page 2: ...tor 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 operatin...

Page 3: ...operating Checklist 27 Operating Instructions 30 Control Identification Location and Function 30 Ignition Switch 30 Engine Throttle 31 Forward Speed Control FSC 31 Steering Levers 31 Blade Clutch Swit...

Page 4: ...ess 64 Transaxle Housing 65 Checking Servicing 66 Security of Air Filtration Components 66 Battery 66 Cleaning the Terminals 66 Charging the Battery 67 Tire Pressure 67 Wheel Nut Torque 67 Sharpen Mow...

Page 5: ...l transaxles which drive the main wheels 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 pow...

Page 6: ...important to find a local authorized servicing agent of the component manufacturer Any unauthorized work done on these compo nents during the warranty period may void the warranty If you have any dif...

Page 7: ...ter Alternative Option 200 Hour Kohler Filter P N 28 050 01 Cooling System Air Cooled Fuel Tank Capacity gal L 4 7 17 8 Fuel Regular Grade Unleaded Gasoline 87 Octane Minimum 10 Ethanol Maximum Air Cl...

Page 8: ...km h Reverse MPH km h 0 8 0 13 Infinitely Variable 0 5 0 8 Infinitely Variable BLADE DRIVE PTO Shaft Quick Disconnect Sliding Spline Shaft with Two 2 High Speed U Joints Blade Drive Clutch and Brake...

Page 9: ...actor with 48 Collection Deck DC48 1 999 453 Dimensions and weight shown are for tractor with a 10 0 Grass Catcher GHS SYSTEM Blower 13 25 in Diameter Three Blade Paddle Wheel Blower Brake Ogura Elect...

Page 10: ...O Blower Drive Walker P N 6231 1 SEAT Built up Seat with Steel Frame Extra Thick Foam Cushions and Bolsters and Removable Replaceable Nylon Backed Vinyl Covers FRAME BODY CONSTRUCTION Frame All Welded...

Page 11: ...System 7 0 Bushel Catcher Shown with Optional 10 0 Bushel Catcher Tilt Up Latch Spring Clip Deck Caster Wheel Deck Lift Handle Cutting Height Adjustment Fuel Tank and Cap Catcher Lift Dump Handle Til...

Page 12: ...r Screen Not Visible Left Hand Drive Wheel Tailwheel Fork and Wheel Catcher Door Catcher Door Gas Spring Not Visible Catcher Lift Dump Handle Battery Gas Spring Cover Footrests Dump Flap Catcher Air E...

Page 13: ...Fuel Pickup Line Roll Over Valve Throttle Linkage Fuel Filter Parking Brake Lever LH Transaxle Lockout Arm Dipstick LH Transaxle EnginaireTM VLR Air Cleaner Fuel Pump Jackshaft Swing Away GHS Blower...

Page 14: ...ed by 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...

Page 15: ...ion 1 Forward Speed Control FSC out of NEU TRAL PARK 2 PTO Clutch ENGAGED or 3 Parking Brake DISENGAGED NOTE There is a 1 2 second time delay function on the seat switch to avoid engine power interrup...

Page 16: ...ition interlock switch normally prevents starting of the machine if these controls are in the OPERATING position 7 Do not operate machine if the operator presence safety switch system is not work ing...

Page 17: ...and using back muscles in order to prevent back injury 20 In case of a clogged or plugged mower deck or GHS catching system a Disengage the blade clutch PTO engage the parking brake and turn the engi...

Page 18: ...attempt to disconnect any safety devic es or defeat the purpose of these safety de vices 9 Do not change the engine governor settings or overspeed the engine The governor has been factory set for maxi...

Page 19: ...cher raised Location Rear of Grass Catcher Exhaust Screen Part Number 5869 Location Catcher Door Hinge Bar LH and RH Sides Part Number 8600 10 Caution Pinch point Keep all body parts clear when closin...

Page 20: ...tating mower blades Do not step on end of deck 8600 14 Location Deck Carrier Frame Part Number 8600 14 Warning do not operate the machine with the deck tilted up Location Deck Carrier Frame Part Numbe...

Page 21: ...ting the machine 3 Warning crushing dismemberment hazard of bystanders Do not carry passengers Always stop the machine if someone enters the area 4 Warning thrown object hazard Keep bystanders away fr...

Page 22: ...ance Engage parking brake Remove ignition key 2 Forward Speed Control Move lever forward to increase speed back to stop 3 Warning roll over hazard Do not mow or drive the tractor within 5 feet of an e...

Page 23: ...nstruction Decals are installed on the machine if any are missing illegible or damaged a replacement should be ordered and installed before putting the machine into operation The Decal Part Number is...

Page 24: ...t the battery terminals negative first 2 Charge the battery at 15 amps for 10 minutes DO NOT exceed 20 amps maximum recom mended charging rate Total charging time should not exceed one 1 hour 3 Reconn...

Page 25: ...cup on the outside of each wheel bearing and slide the wheel assembly into the wheel fork 3 Insert the 3 8 16 x 4 1 2 in bolt through the wheel fork with the bolt head to the outside and install the 3...

Page 26: ...the brack ets on the rear skirt of the deck housing using the P N 8490 axle bolt 3 8 in plain washer 3 8 in wave spring washer between bracket and wheel and 3 8 16 in Whiz locknut Tighten the axle bol...

Page 27: ...e Shaft PTO Coupler U Joint Quick Disconnect Ring Released Position Coupler Ring in Locked Position PTO Drive Shaft PTO Coupler U Joint Internal Balls Locked on Shaft Quick Disconnect Ring Locked Posi...

Page 28: ...pivot joint unlocked Deck Lock Lever Engaged Deck Lock Levers Engaged 10 Raise the seat panel to the open position and clip the counterweight springs to the recep tacle on front of tractor as shown in...

Page 29: ...dure 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 the de...

Page 30: ...o side and front to back deck level mea surement points Side to side measurements should not vary more than 1 8 in 3 mm Front to rear measurements should have the rear 1 4 in 6 mm to 3 8 in 10 mm high...

Page 31: ...s properly prepared and ready for operation The following is a list of items to be checked For a mower with frequent opera tion some of these items will not need to be checked every day but the operat...

Page 32: ...or proper operation of safety switch es both during engine starting and with the operator leaving the seat with tractor moving forward or with the mower blades engaged F CHECK TIRE PRESSURE Deck Caste...

Page 33: ...ck in the tilt up position F CHECK MOWER BLADE CONDITION SHARPNESS AND SECURITY OF MOUNT ING The blade mounting nuts on gear driven decks should be torqued to 60 lb ft 81 N m and the blade mounting bo...

Page 34: ...tion Ignition Switch When starting the engine turn the key clockwise to the START position Do not hold the key in this position longer than 10 seconds If the engine does not start return the key to th...

Page 35: ...lever is moved backward to the NEUTRAL PARK position Steering Levers Each drive wheel is controlled by its own indepen dent steering lever for both steering function and FORWARD REVERSE motion The FS...

Page 36: ...nges forward for maintenance access and is latched down in the OPERATING position To raise the seat panel move the latch release backward Seat Panel Latch Seat Panel Latch Parking Brake The parking br...

Page 37: ...e hourmeter which is located on the left front of the seat panel displays operating time accumu lated while the igntion switch is in the ON RUN position The hourmeter does not have a manual reset func...

Page 38: ...Park Position of the Steering Levers Neutral Park Position Full Forward Ground Speed Position Intermediate Ground Speed Position Reverse Drive Wheel Motion Position Neutral Park Position FORWARD SPEED...

Page 39: ...em is not working and should be repaired or ad justed before operating the mower DO NOT dis connect safety switches they are for the operator s protection 2 Move the throttle 1 4 to 1 2 open toward FA...

Page 40: ...ing off the seat first with the parking brake DISEN GAGED and then with the tractor moving forward allow 1 2 second off the seat for the time delay function the engine should stop In each case if the...

Page 41: ...and ground speed slow until learning the control response WARNING When moving forward DO NOT suddenly put the tractor in reverse by rapidly pulling on the steering levers especially when go ing downhi...

Page 42: ...k ing it should be repaired or replaced be fore operating the mower DO NOT disconnect the safety switches they are for the operator s protection IMPORTANT DO NOT engage the blade clutch when transport...

Page 43: ...nce for movement CAUTION An operator presence switch seat switch will cause the engine to stop if the parking brake is in the DISENGAGED position and the operator is not in the seat The function of th...

Page 44: ...n on deck lift pedal until it latches in the full up transport position 3 Select the desired cutting height by moving the hitch pin to the location shown on the cutting height decal 4 Push down on the...

Page 45: ...ting Position RECOMMENDATIONS FOR MOWING DANGER Do not mow around overhanging tree branches or bushes at the same height as the operator s torso and head where inad vertent contact may cause injury Av...

Page 46: ...e steering levers since the transaxles are power boosted controls and jerk ing the levers can easily slip the tires For sharp turns do not allow the inside wheel to stop and twist on grass pull inside...

Page 47: ...move the tractor with the deck in the tilt up position since both the roller wheels on the back of the deck and the GHS discharge chute may be damaged by moving the tractor The tilt up configuration s...

Page 48: ...Mower Deck Shear Bolt PTO and Blade Gear Drive Exhaust Screen Removable Catcher Door Spring Not Visible Grass Pak Vane Switch Catcher Door Grass Catcher Catcher Air Exhaust Powerfil Delivery Spout Du...

Page 49: ...ned 2 to 3 notches higher while leaving the rear pins in their original position DANGER NEVER operate the GHS catcher with the back door open Objects may be thrown out the back of the catcher with suf...

Page 50: ...weeds which are juicy The material collects under the deck with sticky green juice Clo ver and weeds are especially a problem The mower deck will need to be cleaned frequently when operating in these...

Page 51: ...k vane by hand as it oscillates The horn should sound as the switch is moved in one direction WARNING DO NOT test the Powerfil oscillation or Grass Pak switch with the engine running Projectiles may b...

Page 52: ...OT allow the catcher to drop down the gas spring that holds the catcher in the raised position is not a shock absorber for lowering the catcher 4 Close the door by pulling down on the door handle The...

Page 53: ...nd closes during the dump cycle Hold the toggle switch UP or DOWN to RAISE or LOWER the catcher When the catcher reaches the full raised or lowered position the power ram clutch will make a ratcheting...

Page 54: ...ilter Element and Safety Filter x 60 Replace Fuel Filter x 77 Clean Engine Cooling Fins x 62 Check Fuel Lines and Clamps x 69 Service Battery x 66 Check Adjust Vertical Position of Grass Pak Switch x...

Page 55: ...inspect and clean cylinder head cool ing fins Check performance of the cooling system by starting the engine holding a hand adjacent to the cylinder head and feeling the cooling airflow DANGER Make s...

Page 56: ...which oil and filters are recommended Checking Engine Crankcase Oil Level Check the engine crankcase oil level before use and after each 8 hours of continuous operation IMPORTANT The importance of ch...

Page 57: ...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 58: ...inspected since they operate in a dirty en vironment If an oil leak is noted replace the oil seal and relubricate the gearbox assembly as follows 1 Remove gearbox cover footrest Deck orien tation sho...

Page 59: ...ase grease for grease fittings Check Transaxle Fluid Level The transaxle oil lubrication is SAE 20W 50 API Service Class SL or higher engine oil Inspect both transaxle cases after every 25 hours of op...

Page 60: ...l 2 21 Catcher Hinge Point Oil 2 22 Engine Dipstick Oil 1 23 Engine Oil Fill Oil 1 Ident Lubrication No No Location Type Places 24 Engine Idler Pivot Grease 1 25 Jackshaft Tensioner Lever Grease 1 Gre...

Page 61: ...C23i Maintenance Instructions Lubrication 57 Chassis and Deck Lubrication Points DC48 Shown 9804 1 9804 1 1 1 2 2 11 12 7 4 4 5 16 21 18 19 20 15 22 18 21 23 24 28 13 15 26 20 27 4 5 4 12 14 13 25 17...

Page 62: ...o access the oil fill opening 5 Fill the transaxles with 20W 50 API Service Class SL or higher oil through the opening where the elbows were Fill up to the open ing 6 Before reinstalling the elbows sc...

Page 63: ...ing Enginaire VLR Air Cleaner A remote mounted Enginaire air cleaner pro vides the air filtering function The paper filter element slides over an outlet tube inside the air cleaner canister with radia...

Page 64: ...is less expensive than replacing a dusted engine 4 Use a bright light inside the filter element to inspect for damage Check the element very carefully for pin holes or other damage that will allow di...

Page 65: ...chaff and dirt from the rotating engine cooling air intake screen after every 8 hours of operation In certain mowing conditions dry grass leaves tree cotton etc it may be nec essary to check and clea...

Page 66: ...ess panels in the engine shroud and clean the cooling fins and external surfaces using com pressed air Make sure to reinstall the access panels before oper ating the engine CAUTION DO NOT use a pressu...

Page 67: ...ANGER Do not operate the mower with deck in tilt up position Do not move the tractor with the deck in the tilt up position 3 Clean grass buildup underneath the deck using a pressure washer and scraper...

Page 68: ...r wheel must spin freely Any binding or drag ging of the wheel is an indica tion of dirt buildup This buildup must be cleaned to avoid abrasive wear of the blower blades ex cessive power loss and even...

Page 69: ...s 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 s...

Page 70: ...damage to the case resulting in acid leakage and severe dam age to the machine A hazard may be created by damage to critical working parts and safety systems CAUTION Important Battery Service Installa...

Page 71: ...bal ance every 10 hours of operation or more often when mowing abrasive type grass or operating on sandy soils Replace blades if worn bent cracked or otherwise damaged refer to Mower Blades on page 7...

Page 72: ...d until the blade will balance The blade is properly balanced when neither end drops Balance of a blade is generally maintained by removing an equal amount of material from each end of the blade when...

Page 73: ...ete replacement of fuel lines and clamps every two 2 years Engine Starter Yearly or every 500 hours disassemble and clean the solenoid shift starter Refer to the Kohler Ser vice Manual for this proced...

Page 74: ...Forward Speed Control FSC or PTO is engaged Without an operator in the seat the engine starts and continues to run with the Forward Speed Control FSC and or PTO engaged or the parking brake disengage...

Page 75: ...plug wires IMPORTANT ALWAYS use genuine factory replacement parts Substitute parts CAN result in product malfunction and possible injury to the operator and or others Drive Belts There are three 3 in...

Page 76: ...the illustrations provided Engine Belt 1 To remove the engine belt a Lift up on the belt to move the spring load ed idler pulley and loosen the belt b Slide the belt off the pulleys and remove the bel...

Page 77: ...ase the idler pulley Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the ground drive belt Ground Drive Belt Assembly Engaged Raise Idler Pulley to Relax Belt LH Transaxle Dri...

Page 78: ...ck clutch body and rotate the clutch 90 de grees counterclockwise Push Forward Clutch Stop Arm Push Clutch Stop Arm Forward d Again push the clutch stop arm forward rotate the tension cam clockwise an...

Page 79: ...ckshaft to seat the cam CAUTION When releasing the cam keep fingers clear of the cam as it may rotate with spring force e Push the clutch stop arm forward and rotate the clutch into position with the...

Page 80: ...g Rotate Clevis and Belt Tensioner Stop Bolt Rotate Belt Tensioner Arm Remove Belt Tension 2 To install the deck drive belt a Install and route the belt as shown on the belt routing decal located on t...

Page 81: ...from filter and pull fuel lines off filter 2 Replace filter making sure that the arrow on the filter is aligned with the fuel flow through the filter 3 Verify that the fuel lines and clamps are se cur...

Page 82: ...perated 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 damage...

Page 83: ...one an other If they are not equal adjust accord ingly The handles may or may not be even at this point NOTE The RH steering lever is non adjust able This procedure will require adjustment of the LH l...

Page 84: ...terclockwise just until the wheel stops and then begins to move in reverse Rotate the control rod back clock wise half the number of turns required to make the wheel go from moving forward to reverse...

Page 85: ...ring the levers to alignment Tighten the jam nut 3 Test drive the machine to confirm that straight tracking is being achieved at maximum for ward speed FSC lever in full forward posi tion T Handle Hex...

Page 86: ...aft and vane on the Grass Pak switch 1 Position the discharge chute so that it is point ing straight back a Turn the ignition switch ON RUN and pull the blade clutch switch out to the EN GAGED positio...

Page 87: ...ement each time until the recommended measurement is achieved NOTE It will not be possible to adjust the switch to give a signal at the precise instant the catcher is full for a wide variety of mowing...

Page 88: ..._______________________________________________________________________________ ______________________________________________________________________________________________________________ _________...

Page 89: ...__________________________________________ ______________________________________________________________________________________________________________ ______________________________________________...

Page 90: ...__________________________________________ ______________________________________________________________________________________________________________ ______________________________________________...

Page 91: ...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 tra...

Page 92: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 051723 PRINTED IN USA www walker com 2023 WALKER MFG CO...

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