Operator’s Manual - Small Engine Parts Diagrams

Operator’s ManualSafety, Assembly, Operating, and Maintenance InstructionsPlease Read and Save These InstructionsFor Safety, Read All Safety and OperationInstructions Prior to Operating MachineBeginning S/N: 131154Effective Date: 11.07.14P/N 6000-19

ForewordThank you. . .for purchasing a Walker mower. Every effort has been made to provide you with themost reliable mower on the market, and we are sure you will be among our many satisfied customers. If for any reason this product does not perform to your expectations, please contact your localdealer. Every customer is important to us. Your satisfaction is our goal.Please. . .read this manual thoroughly! This manual is to be used in conjunction with the enginemanufacturer’s manual for the specific engine on the mower model you have purchased. Beforeyou operate your new mower, please read this entire manual. Some of the information is crucial forproper operation and maintenance of this mower - it will help protect your investment and ensurethat the mower performs to your satisfaction. Some of the information is important to your safetyand must be read and understood to help prevent possible injury to the operator or others. If anything in this manual is confusing or hard to understand, please contact your local authorized dealeror call our service department, at (970) 221-5614, for clarification before operating or servicing thismower.This manual covers Model C19i with the Kohler Command Pro ECH630 (19 HP) Electronic FuelInjection (EFI) gasoline engine.All shields and guards must be in place for the proper and safe operation of this machine.Where they are shown removed in this manual, it is for illustration purposes only. Do not operatethis machine unless all shields and guards are in place.Specifications given are based on the latest information available at the time this manual was produced for a tractor with standard equipment. Optional equipment is available and may affect thestandard specifications listed.Walker Mfg. Co. is continually striving to improve the design and performance of its products. Wereserve the right to make changes in specifications and design without thereby incurring any obligation relative to previously manufactured products.Sincerely,WALKER MANUFACTURING COMPANYBob Walker, President

Table of ContentsGeneral Information 1Operating Instructions 27HIGHLIGHTED INFORMATIONGLOSSARYIDENTIFYING NUMBER LOCATIONSENGINE SERIAL NUMBER LOCATIONSERVICING OF ENGINE ANDDRIVETRAIN COMPONENTSCONTROL IDENTIFICATION,LOCATION, AND FUNCTIONIgnition SwitchEngine ThrottleForward Speed Control (FSC)Steering LeversBlade Clutch (PTO)Parking BrakeFront Body Latch ReleaseTransmission Lockout LeversEngine Service LightHourmeterOil Pressure Warning HornCircuit Breaker (7 Amp)Light Switch (For Optional Lights)STARTING THE ENGINEADJUSTING GROUNDSPEED AND STEERINGENGAGING THE BLADE DRIVESTOPPING THE MACHINEADJUSTING CUTTING HEIGHTTRANSMISSION LOCKOUTRECOMMENDATIONS FOR MOWINGRECOMMENDATIONS FOR TILT-UP DECKOPERATION/TRANSPORTGRASS HANDLING SYSTEM (GHS)General InformationClogging ChecklistUsing the Tilt-Up DeckUsing the GHS CatcherPowerfil “Full” Signal HornCleaning the GHS Exhaust ScreenDumping the CatcherTailgate DumpingUsing the Dump BagPower Dump Option11122Specifications 3ENGINEELECTRICAL SYSTEMTRANSMISSIONBLADE DRIVETIRE SIZETIRE PRESSUREDRIVE BELTSSEATFRAME/BODY CONSTRUCTIONGHS SYSTEMMOWER DECKDIMENSIONS (Tractor and Mower)333444444555Component Identification 6Safety Instructions 9BEFORE OPERATING 9OPERATING 11MAINTENANCE 13SAFETY, CONTROL, ANDINSTRUCTION DECALS 14Assembly Instructions 18SETUP INSTRUCTIONSTire Installation (Tractor)Battery ServiceWet Battery ServiceDry Battery ServiceBattery ChargingBattery InstallationMower Deck AssemblyDeck Caster Wheels InstallationDeck Discharge Chute InstallationDeck Discharge DeflectorShield InstallationPTO Shaft Guard InstallationTilt-Up Roller Wheel InstallationMower Deck Installation on TractorDeck InstallationDeck LevelingPREOPERATING 34444444546

Table of ContentsMaintenance Instructions 48MAINTENANCE SCHEDULE CHARTIMPORTANT TIPS FOR CAREOF THE KOHLER ENGINEFuel SystemStarting/StoppingCooling SystemAir Cleaner SystemOilLUBRICATIONEngine OilEngine Break-In OilChecking Engine Crankcase Oil LevelChanging Engine Crankcase Oil/Oil FilterMower Deck Gearbox LubricationDS52 or DS62 Mower Deck LubricationMower Deck Spindle LubricationTractor PTO Gearbox LubricationChecking Gearbox Oil LevelChanging Gearbox OilGear Axle LubricationGrease Fitting and Oil Point LubricationHydrostatic Transmission FluidChecking HydrostaticTransmission Fluid LevelCLEANINGEngine Air Cleaner SystemTurbine PrecleanerEnginaire Air CleanerEngine Cooling SystemCooling Air Intake SystemCylinder Head Cooling FinsGrass Buildup in Mower Deck HousingGHS BlowerGHS Exhaust ScreenHydrostatic Transmission Cooling 57575759596060616262CHECKING/SERVICINGSecurity of Air Filtration ComponentsBatteryElectrolyte LevelCleaning the TerminalsCharging the BatteryTire PressureWheel Bolt TorqueSharpen Mower BladesDrive BeltsMower Deck Gearbox Oil SealsSpark PlugsIgnition WiresFuel Lines and ClampsEngine StarterBlade Brake ActionSafety Switch SystemForward Speed Control Friction LockREPLACING/REPAIRINGDrive BeltsEngine PTO Drive BeltJackshaft Drive BeltGHS Blower Drive BeltHydrostatic Ground Drive BeltFuel FilterBlade Overload Shear BoltsShear Pin (If Equipped)Mower BladesADJUSTMENTSSteering HandlesTilt-Up Deck Adjustable StopGHS “Full” Signal Horn 686970717272737374747474Operator’s Notes76Warranty79

General InformationHIGHLIGHTED INFORMATIONWalker Manufacturing recommends that any servicerequiring special training or tools be performed byan authorized Walker Mower dealer. There are several general practices to be aware of in the area ofsafety. Most accidents associated with the operation or maintenance of a Walker Mower are causedby disregarding basic safety precautions or specificwarnings. Such accidents, in most cases, can beprevented by being aware of the dangers present.Information of special importance has been highlighted in bold type in this manual. Refer to SafetyInstructions for the meanings of DANGER, WARNING, CAUTION, IMPORTANT, and NOTE.GLOSSARYThere are many terms that are either unique to thisequipment or that are used as acronyms. Thefollowing terms and their definitions will help whileusing this manual: DECK is the mowing attachment mounted onthe front of the tractor which includes the carrierframe, deck housing, belt or gear drive components, and cutter blades. ELECTRONIC CONTROL UNIT (ECU) controls engine functions such as spark timing,fuel/air ratio, etc. FORWARD SPEED CONTROL (FSC) controlsthe maximum forward speed of the tractor;functioning as a cruise control. GRASS HANDLING SYSTEM (GHS ) collectsmowed material and deposits it in the catcher. GRASS-PAK SWITCH is mounted on thegrass delivery spout (in the catcher) and activates the “full” signal horn when the grasscatcher is full. GROUND DRIVE refers to the dual hydrostatictransmissions which drive the main wheels. HYDROSTATIC TRANSMISSION transmitsand controls power from the ground drive belt tothe main drive wheel. LEFT HAND (LH) refers to the left-hand side ofthe tractor when the operator is seated facingforward in the tractor seat. POWER TAKE-OFF (PTO) transmits enginepower to run the cutter blades and GHS blower. POWERFIL spreads the mowed materialthroughout the interior of the grass catcher byan oscillating delivery spout. RIGHT HAND (RH) refers to the right-hand sideof the tractor when the operator is seated facingforward in the tractor seat. SIDE DISCHARGE (SD) discharges mowedmaterial from the right side of the mower deck. STEERING LEVERS steer the tractor by controlling the dual hydrostatic transmissions. TRACTOR is the prime mover, including the engine, drivetrain, operator seat, and controls tooperate the mower. TRANSMISSION LOCKOUT releases the hydrostatic transmissions to permit freewheelingthe tractor.IDENTIFYING NUMBER LOCATIONSThe tractor serial number plate is affixed to the tractor body just below the left rear corner of the seat.The mower deck serial number plate is affixedalongside the angle iron framing on the LH side ofthe LH mower blade drive. Model and serial numbers are helpful when obtaining replacement partsand maintenance assistance. For ready reference,please record these numbers in the space provided.Tractor Model No.Tractor Serial No.Deck Serial No.Engine Model No.Engine Serial No.Date of PurchaseFill In By Purchaser1

General InformationSerial NumberTractor Serial Number LocationSerial NumberSERVICING OF ENGINE AND DRIVETRAINCOMPONENTSThe detailed servicing and repair of the engine,hydrostatic transmission, and gearboxes are notcovered in this manual. Only routine maintenanceand general service instructions are provided. Forthe service of these components during the limitedwarranty period, it is important to find a local, authorized servicing agent of the component manufacturer. Any unauthorized work done on thesecomponents during the warranty period may voidthe warranty. If you have any difficulty finding anauthorized outlet or obtaining warranty service,please contact our Service Department for assistance:Walker Manufacturing Company5925 E. Harmony RoadFort Collins, CO 805281-970-221-5614www.walkermowers.comService manuals are available for each of thesecomponents from their respective manufacturers asfollows:Kohler EnginesKohler CompanyKohler, WI ransmissionsEaton Fluid Power GroupHydraulics Business USA14615 Lone Oak RoadEden Prairie, MN 55344 USA952-937-9800www.eaton.com/hydraulicsGearboxes (Deck)Peerless Gear1555 South Jackson St.Salem, IN 47167 USA866-536-8310www.peerlessgear.comMower Deck Serial Number LocationENGINE SERIAL NUMBER LOCATIONRefer to the engine manual that accompanies thismanual or the photo below for the location of theengine serial number.Serial Number (Not Visible)Located Under ECUEngine Serial Number Location2

ler Command Pro ECH630, 2 Cyl., Gasoline (Air-Cooled),Electronic Fuel Injection (EFI)Displacement cu. in. (cc)42.4 (694)Max. Power HP (kW)19.0 (14.2) @ 3600 RPMGoverned RPM3600Max. Torque lb·ft (N·m)34.2 (46.4)Idle RPM1200Spark Plug TypeChampion RC12YCSpark Plug Gap in. (mm).030 (0.76)Crankcase Capacity qt (L)2.0 (1.9)Crankcase LubricantAPI SJ or higher Grade Oil Only with 10W-30 Viscosityabove 0 F (-18 C), or 5W-20 or 5W-30 Viscosity below 32 F (0 C)Oil FilterKohler P/N 28-050-01Fuel Tank Capacity gal (L)4.0 (15.1)FuelRegular Grade Unleaded Gasoline(87 Octane Minimum, 10% Ethanol Maximum)Cooling SystemAir CooledAir CleanerRemote mounted EnginaireTM - S/N 133541 and prior(Walker P/N 5090-1 Primary/5090-3 Safety Filter)Remote mounted EnginaireTM VLR - S/N 133542 to Current(Walker P/N 5090-4 Primary/5090-5 Safety Filter)ELECTRICAL SYSTEMBattery12 Volt, 35 AH, 340 CCACharging SystemFlywheel AlternatorCharging Output15 Amp DC (Regulated)System PolarityNegative GroundIgnitionElectronic Capacitive DischargeStarter12 Volt Electric Ring-Gear Type, Solenoid ShiftInterlock SwitchesIgnition Lockout by Seat Switch, Transmission Neutral and BladeClutchCircuit BreakerAuto Reset (30A)TRANSMISSIONManufacturer/ModelDual Hydrostatic, Eaton Model 7, Each Wheel Independently DrivenSteeringHand Lever Control / Individual WheelForward Speed ControlPrecision Friction Lock Lever, Cruise Control, with Neutral-ParkPositionService BrakeDynamic Braking through Hydrostatic TransmissionParking BrakeMechanical Pin Lock in Transmission Gear3