Walker S18 User Manual

Table of Contents
Maintenance Instructions __________ 47
MAINTENANCE SCHEDULE CHART _______ 47
IMPORTANT TIPS FOR CARE OF THE
BRIGGS & STRATTON ENGINE ___________ 48
Fuel System _________________________ 48
Starting/Stopping _____________________ 48
Cooling System ______________________ 48
Air Cleaner System ____________________ 48
Oil__________________________________ 48
LUBRICATION _________________________ 49
Engine Oil ___________________________ 49
Engine Break-In Oil_____________________ 49
Checking Engine Crankcase Oil Level ____ 49
Changing Engine Crankcase Oil/Oil Filter __ 50
Grease Fitting and Oil Point Lubrication __ 51
Mower Deck Gearbox Lubrication ________ 54
Mower Deck Spindle Lubrication ________ 54
Check Transaxle Fluid Level ____________ 54
Transaxle Oil and Filter Change _________ 55
CLEANING ____________________________ 56
Engine Air Cleaner System _____________ 56
Cummins/Fleetguard OptiAir™
Air Cleaner _________________________ 56
Engine Air Cooling System _____________ 58
Cooling Air Intake Screen ______________ 58
Cylinder Head Cooling Fins ____________ 59
Grass Buildup in Mower Deck Housing ___ 60
GHS Exhaust Screen __________________ 60
GHS Blower __________________________ 61
Transaxle Housing ____________________ 61
CHECKING/SERVICING __________________ 62
Security of Air Filtration Components ____ 62
Battery ______________________________ 62
Electrolyte Level _____________________ 62
Cleaning the Terminals ________________ 62
Charging the Battery __________________ 63
Tire Pressure _________________________ 63
Wheel Nut Torque _____________________ 63
Sharpen Mower Blades ________________ 63
Drive Belts ___________________________ 64
Mower Deck Gearbox Oil Seals __________ 65
Spark Plugs __________________________ 65
Ignition _____________________________ 65
Ignition Wires ________________________ 65
Fuel Lines and Clamps _________________ 65
Transmission Control Setting ___________ 65
Neutral-Park ________________________ 65
Straight Ground Tracking ______________ 65
Blade Brake Action ____________________ 65
PTO U-Joints _________________________ 66
Safety Switch System__________________ 66
Forward Speed Control Friction Lock _____ 66
REPLACING/REPAIRING _________________ 67
Drive Belts ___________________________ 67
Engine Belt _________________________ 68
PTO Drive Belt ______________________ 69
Ground Drive Belt ____________________ 70
Fuel Filter ___________________________ 71
Blade Overload Shear Bolts_____________ 71
Mower Blades ________________________ 72
ADJUSTMENTS ________________________ 73
Transmission Control__________________ 73
Steering Lever Position Adjustment ______ 73
Steering Handle Adjustment ____________ 73
Neutral Function Adjustment ____________ 74
Full Forward Speed Adjustment _________ 75
Straight Tracking Adjustment ___________ 75
FSC Neutral Switch Adjustment _________ 76
Forward Speed Control
Friction Adjustment ___________________ 77
Blade Clutch (PTO) ____________________ 78
Clutch Engagement/Belt Tension ________ 78
Blade Brake Band Adjustment __________ 79
Tilt-Up Deck Adjustable Stop ____________ 80
GHS “Full” Signal Horn Adjustment ______ 81
MAINTENANCE AND SERVICE
RECORD SHEET _______________________ 82
Warranty _____________________ 83

Walker S18 Specifications

General

Drive System	Hydrostatic
Cutting Height	1.5 - 4.5 inches
Engine	Kohler
Cutting Width	48 inches
Transmission	Hydrostatic