Walker S14 Manuel utilisateur

Operator’s Manual

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: 128442

Eective Date: 05.05.14

P/N 5000-28

Foreword

Thank you. . .for purchasing a Walker mower. Every effort has been made to provide you with the

most reliable mower on the market, and we are sure you will be among our many satised custom-

ers. If for any reason this product does not perform to your expectations, please contact your local

dealer. 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 engine

manufacturer’s manual for the specic engine on the mower model you have purchased. Before

you operate your new mower, please read this entire manual. Some of the information is crucial for

proper operation and maintenance of this mower - it will help protect your investment and ensure

that the mower performs to your satisfaction. Some of the information is important to your safety,

and must be read and understood to help prevent possible injury 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 clarication before operating or servicing this

mower.

This manual covers Model S14 with the Subaru Robin, EX40 (14 HP) 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 operate

this machine unless all shields and guards are in place.

Specications given are based on the latest information available at the time this manual was pro-

duced for a tractor with standard equipment. Optional equipment is available and may affect the

standard specications listed.

Walker Mfg. Co. is continually striving to improve the design and performance of its products. We

reserve the right to make changes in specications and design without thereby incurring any obliga-

tion relative to previously manufactured products.

Sincerely,

WALKER MANUFACTURING COMPANY

Bob Walker, President

Table of Contents

General Information ________________ 1

HIGHLIGHTED INFORMATION _____________ 1

GLOSSARY ____________________________ 1

IDENTIFYING NUMBER LOCATIONS ________ 1

ENGINE SERIAL NUMBER LOCATION_______ 2

SERVICING OF ENGINEAND

DRIVETRAIN COMPONENTS ______________ 2

Specications________________________ 3

ENGINE________________________________ 3

ELECTRICAL SYSTEM ___________________ 3

TRANSMISSION_________________________ 3

BLADE DRIVE __________________________ 4

TIRE SIZE ______________________________ 4

TIRE PRESSURE ________________________ 4

DIMENSIONS (Tractor and Mower) _________ 5

GHS SYSTEM___________________________ 5

MOWER DECK__________________________ 6

DRIVE BELTS___________________________ 6

SEAT __________________________________ 6

FRAME/BODY CONSTRUCTION ___________ 6

Component Identication ___________ 7

Safety Instructions _________________ 10

BEFORE OPERATING ___________________ 10

OPERATING ___________________________ 12

MAINTENANCE ________________________ 14

SAFETY, CONTROL,AND

INSTRUCTION DECALS _________________ 15

Assembly Instructions______________ 18

SETUP INSTRUCTIONS__________________ 18

Tire Installation (Tractor) _______________ 18

Battery Service _______________________ 18

Wet Battery Service __________________ 18

Dry Battery Service___________________ 18

Battery Charging_____________________ 19

Battery Installation ___________________ 19

Mower DeckAssembly_________________ 19

Deck Caster Wheels Installation_________ 19

Deck Discharge Chute Installation _______ 20

Deck Discharge Deector

Shield Installation ____________________ 20

PTO Shaft Guard Installation ___________ 20

Tilt-Up Roller Wheel Installation _________ 20

Mower Deck Installation on Tractor_______ 21

Deck Installation _____________________ 21

Deck Leveling_______________________ 22

PREOPERATING CHECKLIST_____________ 23

Operating Instructions _____________ 25

CONTROL IDENTIFICATION,

LOCATION, AND FUNCTION _____________ 25

Ignition Switch _______________________ 25

Engine Choke ________________________ 25

Engine Throttle_______________________ 26

Forward Speed Control (FSC) ___________ 26

Front Body Latch Release ______________ 26

Steering Levers_______________________ 26

Blade Clutch (PTO)____________________ 26

Parking Brake ________________________ 27

Transaxle LockoutArms _______________ 27

Hourmeter___________________________ 28

STARTING THE ENGINE _________________ 30

ADJUSTING GROUND

SPEEDAND STEERING__________________ 30

ENGAGING THE BLADE DRIVE ___________ 32

STOPPING THE MACHINE _______________ 33

ADJUSTING CUTTING HEIGHT____________ 34

TRANSAXLE LOCKOUTS ________________ 34

RECOMMENDATIONS FOR MOWING ______ 35

RECOMMENDATIONS FOR TILT-UP DECK

OPERATION/TRANSPORT _______________ 37

GRASS HANDLING SYSTEM (GHS) ________ 38

General Information ___________________ 39

Clogging Checklist____________________ 40

Using the Tilt-Up Deck _________________ 41

Using the GHS Catcher ________________ 41

Powerl ®__________________________ 41

“Full” Signal Horn ____________________ 41

Cleaning the GHS Exhaust Screen _______ 42

Dumping the Catcher __________________ 42

Tailgate Dumping ____________________ 42

Using the Dump Bag__________________ 43

Table of Contents

Maintenance Instructions __________ 44

MAINTENANCE SCHEDULE CHART _______ 44

IMPORTANT TIPS FOR CARE OF THE

SUBARU ENGINE_______________________ 45

Fuel System _________________________ 45

Starting/Stopping_____________________ 45

Cooling System ______________________ 45

Air Cleaner System____________________ 45

Oil__________________________________ 45

LUBRICATION _________________________ 46

Engine Oil ___________________________ 46

Engine Break-In Oil___________________ 46

Checking Engine Crankcase Oil Level ____ 46

Changing Engine Crankcase Oil_________ 47

Grease Fitting and Oil Point Lubrication __ 47

Mower Deck Gearbox Lubrication________ 50

Mower Deck Spindle Lubrication ________ 50

Transaxle Lubrication _________________ 50

Transaxle Oil and Filter Change _________ 51

CLEANING ____________________________ 52

EngineAir Cleaner System _____________ 52

Donaldson Radialseal™Air Cleaner______ 52

Fuel Filter ___________________________ 54

Engine Cooling System ________________ 55

CoolingAir Intake Screen ______________ 55

Cylinder Head Cooling Fins ____________ 55

Grass Buildup in Mower Deck Housing ___ 56

GHS Blower__________________________ 56

GHS Exhaust Screen __________________ 56

Transaxle Housing ____________________ 57

CHECKING/SERVICING__________________ 57

Security ofAir Filtration Components ____ 57

Battery______________________________ 57

Electrolyte Level _____________________ 57

Cleaning the Terminals ________________ 58

Charging the Battery__________________ 58

Tire Pressure_________________________ 58

Wheel Nut Torque _____________________ 58

Sharpen Mower Blades ________________ 58

Drive Belts___________________________ 60

Mower Deck Gearbox Oil Seals __________ 60

Spark Plug___________________________ 60

Ignition _____________________________ 60

Fuel Lines and Clamps_________________ 60

Blade BrakeAction____________________ 60

Safety Switch System__________________ 61

Forward Speed Control Friction Lock_____ 61

REPLACING/REPAIRING_________________ 62

Drive Belts___________________________ 62

Engine Belt _________________________ 63

PTO Drive Belt ______________________ 64

Ground Drive Belt ____________________ 65

Blade Overload Shear Bolts_____________ 66

PTO Shear Pin (If Equipped) ____________ 66

Mower Blades ________________________ 67

ADJUSTMENTS ________________________ 68

Transmission Control__________________ 68

Steering Lever PositionAdjustment ______ 68

Steering HandlesAdjustment ___________ 69

Neutral PositionAdjustment ____________ 69

Full Forward SpeedAdjustment _________ 71

Straight Tracking Adjustment ___________ 71

FSC Neutral SwitchAdjustment _________ 71

Forward Speed Control

FrictionAdjustment___________________ 72

Blade Clutch (PTO)____________________ 73

Clutch Engagement/Belt Tension ________ 73

Blade Brake BandAdjustment __________ 74

Tilt-Up DeckAdjustable Stop____________ 75

GHS “Full” Signal HornAdjustment ______ 76

Operator’s Notes _______________ 77

Warranty _____________________ 79

General Information

HIGHLIGHTED INFORMATION

Walker Manufacturing recommends thatanyservice

requiring special training or tools be performed by

an authorized Walker Mower dealer. There are sev-

eral general practices to be aware of in the area of

safety. Most accidents associated with the opera-

tion or maintenance of a Walker Mower are caused

by disregarding basic safety precautions or specic

warnings. Such accidents, in most cases, can be

prevented by being aware of the dangers present.

Information of special importance has been high-

lighted in bold type in this manual. Refer to Safety

Instructions for the meanings of DANGER, WARN-

ING, CAUTION, IMPORTANT, and NOTE.

GLOSSARY

There are many terms that are either unique to this

equipment or that are used as acronyms. The fol-

lowing terms and their denitions will help while us-

ing this manual:

•DECK is the mowing attachment mounted on

the front of the tractor which includes the carrier

frame, deck housing, belt or gear drive compo-

nents, and cutter blades.

•FORWARD SPEED CONTROL (FSC) controls

the maximum forward speed of the tractor;

functioning as a cruise control.

•GRASS HANDLING SYSTEM (GHS®)collects

mowed material and deposits it in the catcher.

•GRASS-PAK®SWITCH is mounted on the

grass delivery spout (in the catcher) and acti-

vates the “full” signal horn when the grass

catcher is full.

•GROUND DRIVE refers to the dual 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

power to run the cutter blades and GHS blower.

•POWERFIL®spreads the mowed material

throughout the interior of the grass catcher by

an oscillating delivery spout.

•RIGHT HAND (RH) refers to the right-hand side

of the tractor when the operator is seated facing

forward in the tractor seat.

•SIDE DISCHARGE (SD) discharges mowed

material from the right side of the mower deck.

•STEERING LEVERS steer the tractor by con-

trolling the two transaxles.

•TRACTOR isthe prime mover, including the en-

gine, drivetrain, operator seat, and controls to

operate the mower.

•TRANSAXLE transmits and controls power

from the ground drive belt to the main drive

wheel.

•TRANSAXLE LOCKOUT ARMS release the

transaxles to permit freewheeling the tractor.

IDENTIFYING NUMBER LOCATIONS

The tractor serial number plate is afxed to the trac-

tor body just below the left rear corner of the seat.

The mower deck serial number plate is afxed

alongside the angle iron framing on the LH side of

the LH mower blade drive. Model and serial num-

bers are helpful when obtaining replacement parts

and maintenance assistance. For ready reference,

please record these numbers in the space provided.

Fill In By Purchaser

Tractor Model No. ______________________

Tractor Serial No. ______________________

Deck Serial No. ______________________

Engine Model No. ______________________

Engine Serial No. ______________________

Date of Purchase ______________________

General Information

Serial Number

Tractor Serial Number Location

Serial Number

Mower Deck Serial Number Location

ENGINE SERIAL NUMBER LOCATION

Refer to the engine manual that accompanies this

manual or the photo below for the location of the

engine serial number.

Serial Number

Engine Serial Number Location

SERVICING OF ENGINEAND DRIVETRAIN

COMPONENTS

The detailed servicing and repair of the engine,

transaxles and gearboxes are not covered in this

manual. Only routine maintenance and general

service instructions are provided. For the service

of these components during the limited warranty

period, it is important to nd 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culty nding an au-

thorized outlet or obtaining warranty service,

please contact our Service Department for assis-

tance:

Walker Manufacturing Company

5925 E. Harmony Road

Fort Collins, CO 80528

1-970-221-5614

www.walkermowers.com

Service manuals are available for each of these

components from their respective manufacturers as

follows:

Subaru Engine Subaru RobinAmerica Inc.

Adivision of Fuji

Industries, Ltd. Group

905 Telser Rd.

Lake Zurich, IL60047

800-277-6246

www.subarupower.com

Transaxle Hydro-Gear

1411 South Hamilton St.

Sullivan, IL61951

877-728-7410

www.hydro-gear.com

Gearboxes (Deck) Peerless Gear

1555 South Jackson St.

Salem, IN 47167 USA

866-536-8310

www.peerlessgear.com

Specications

MODEL S14

ENGINE

Manufacturer/Model Subaru Robin, EX40, 1 Cyl. (Air-Cooled)

Displacement cu. in. (cc) 24.65 (404)

Max. Power HP (kW) 14.0 (10.4) @ 3600 RPM

Governed RPM 3600

Max. Torque lb·ft (N·m) 19.9 (27.0) @ 2400 RPM

Idle RPM 1300

Spark Plug Type NGK BPR5ES

Spark Plug Gap in. (mm) .030 (0.75)

Crankcase Capacity qt (L) 1.35 (1.3)

Crankcase Lubricant API SC/SD/SE/SF/SG/SH Grade Oil Only with 10W-30/10W-40

Viscosity or 40WAbove 68° F (20° C) Only

Fuel Tank Capacity gal (L) 1.9 (7.2)

Fuel Regular Grade Unleaded Gasoline (87 Octane Minimum,

10% Ethanol Maximum)

Cooling System Air Cooled

Air Cleaner Remote mounted Donaldson RadialsealTM

(Walker P/N 5090-1 Primary/5090-3 Safety Filter)

ELECTRICAL SYSTEM

Battery 12 Volt, 300 CCA (Interstate SP-35)

Charging System Flywheel Alternator

Charging Output 13 Amp DC (Regulated)

System Polarity Negative Ground

Ignition Transistorized Electronic Magneto

Starter 12 Volt Electric Key and Solenoid Operated

Interlock Switches Ignition Lockout by Seat Switch, Transmission Neutral and Blade

Clutch

Circuit Breaker Replaceable Fuse (20A)

TRANSMISSION

Manufacturer/Model Dual, Independent Hydro-Gear®ZT3100 Integrated Transaxles

Steering Hand Lever Control / Individual Wheel

Forward Speed Control Precision Friction Lock Lever, Cruise Control, with

Neutral-Park Position

Service Brake Dynamic Braking through Transaxles

Parking Brake Internal Mechanical Cog Lock for each Transaxle

(Single Lever Control)

Neutral Transmission Release by Manual Dump Valve

Specications

MODEL S14

TRANSMISSION (continued)

Final Drive Transaxle Direct to Drive Wheel

Transmission Fluid

Factory Service 20W-50 Multi-Viscosity Motor Oil (Minimum SL Grade Oil)

Transmission Oil Capacity  oz (ml) 79 (2336)

Transmission Cooling Cooling Fan Mounted on Drive Pulley

Oil Filter Hydro-Gear®P/N 52114 (Walker P/N 2026-6)

Ground Travel Speed

Forward MPH (km/h)

Reverse MPH (km/h) 0-6.5 (0-10.5) Innitely Variable

0-5 (0-8) Innitely Variable

BLADE DRIVE

PTO Shaft Sliding Spline 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]

TIRE SIZE

Deck Caster 8 x 3.00-4 (Pneumatic 4-Ply, Optional Foamed Rubber)

Drive 18 x 7.00-8 (Pneumatic 4-Ply, Standard)

18 x 8.50-10 (Pneumatic 4-Ply, Optional Low-Prole)

Tailwheel 13 x 6.50-6 (Pneumatic 4-Ply)

TIRE PRESSURE PSI (KPA)

Deck Caster Wheel 20 (137)

Drive 15 (103)

Tailwheel 20 (137)

Specications

MODEL S14

DIMENSIONS (Tractor and Mower)

Length in. (cm)

Tractor Only 63.75 (162)

Tractor Wheel Base 43 (109)

Tractor with Tilted Deck

(Approximate) 77 (196)

Tractor with 36" Collection Deck

(DC36R-1) 87 (221)

Tractor with 42" Collection Deck

(DC42-1) 88.5 (225)

Width in. (cm)

Tractor Only (Outside Tire) 36 (91.5)

Tractor with 36" Collection Deck

(DC36R-1) 37.25 (95)

Tractor with 42" Collection Deck

(DC42-1) 43.25 (110)

Height in. (cm)

Tractor 46.75 (119)

Weight lb (kg)

Tractor Only 595 (270)

Tractor with 36" Collection Deck

(DC36R-1) 766 (347)

Tractor with 42" Collection Deck

(DC42-1) 786 (356)

GHS SYSTEM

Blower 12.5 in. Diameter, Three-Blade Paddle Wheel

Blower Brake Band Brake [Works in Combination with PTO Clutch, Stops Blower

within Five (5) Seconds of PTO Disengagement]

Max. Blower RPM 2900

Grass Catcher Capacity

gal / bu / L

65 / 7 / 246

Full Signal Oscillating Vane Switch Mounted on Grass Delivery Spout Triggers

Horn Signal

Powerl ®Oscillating Delivery Spout Driven by 12 Volt Electric Gearmotor

Spreads Material throughout Interior of Catcher @ 35 Cycles/Min

Specications

MODEL S14

MOWER DECK

Recommended Cut Width 36 or 42 in. (91 or 107 cm)

(Collection, SD, Mulch)

Cutting Height 1 to 4 in. (2.5 to 10 cm) in 1/2 in. (1 cm) Increments

Deck Suspension Independent Torsion-Flex Frame with Caster Wheels and

Counterweight Springs

DRIVE BELTS

Engine Walker P/N 5234-3

Ground Drive Walker P/N 5232-1

PTO Drive Walker P/N 5234-4

SEAT Contour-Molded, with Nylon Backed Vinyl Cover and Integral

Foam Cushion

FRAME/BODY CONSTRUCTION

Frame All Welded Unitized Steel Chassis

Body 14 Gauge Steel

Deck 11 Gauge Steel

GHS Catcher and Chutes Molded Cross-Linked Polyethylene (UV Stabilized)

NOTE: The manufacturer reserves the right to make changes in specications shown herein at any time

without notice or obligation. The specications listed are for a standard conguration tractor, and may

change with the addition of optional equipment.

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