Table of Contents
Maintenance Instructions __________ 48
MAINTENANCE SCHEDULE CHART _______ 48
IMPORTANT TIPS FOR CARE
OF THE KOHLER ENGINE ________________ 49
Fuel System _________________________ 49
Starting/Stopping _____________________ 49
Cooling System ______________________ 49
Air Cleaner System ____________________ 49
Oil__________________________________ 49
LUBRICATION _________________________ 50
Engine Oil ___________________________ 50
Engine Break-In Oil ___________________ 50
Checking Engine Crankcase Oil Level ____ 50
Changing Engine Crankcase Oil _________ 51
Grease Fitting and Oil Point Lubrication __ 51
Mower Deck Gearbox Lubrication ________ 54
Mower Deck Spindle Lubrication ________ 54
PTO U-Joint Lubrication _______________ 54
Check Transaxle Fluid Level ____________ 55
Transaxle Oil and Filter Change _________ 56
CLEANING ____________________________ 57
Engine Air Cleaner System _____________ 57
Kohler Quad-Clean™ Air Cleaner ________ 57
Precleaner _________________________ 58
Paper Air Filter ______________________ 58
Engine Cooling System ________________ 59
Cooling Air Intake Screen ______________ 59
Cylinder Head Cooling Fins ____________ 59
Grass Buildup in Mower Deck Housing ___ 60
GHS Blower __________________________ 61
GHS Exhaust Screen __________________ 61
Transaxle Housing ____________________ 62
CHECKING/SERVICING __________________ 63
Security of Air Filtration Components ____ 63
Battery ______________________________ 63
Electrolyte Level _____________________ 63
Cleaning the Terminals ________________ 64
Charging the Battery __________________ 64
Tire Pressure _________________________ 64
Wheel Nut Torque _____________________ 64
Sharpen Mower Blades ________________ 64
Drive Belts ___________________________ 65
Mower Deck Gearbox Oil Seals __________ 65
Spark Plug ___________________________ 66
Ignition _____________________________ 66
Ignition Wire _________________________ 66
Fuel Lines and Clamps _________________ 66
Engine Valve Clearance ________________ 66
Transmission Control Setting ___________ 66
Neutral-Park ________________________ 66
Straight Ground Tracking ______________ 66
Blade Brake Action ____________________ 66
PTO U-Joints ________________________ 67
Safety Switch System__________________ 67
Forward Speed Control Friction Lock _____ 67
REPLACING/REPAIRING _________________ 68
Drive Belts ___________________________ 68
Engine Belt _________________________ 69
PTO Drive Belt ______________________ 70
Ground Drive Belt ____________________ 71
Fuel Filter ___________________________ 72
Blade Overload Shear Bolts_____________ 72
Mower Blades ________________________ 73
ADJUSTMENTS ________________________ 74
Transmission Control__________________ 74
Steering Lever Position Adjustment ______ 74
Steering Handles Adjustment ___________ 74
Neutral Function Adjustment ____________ 75
Full Forward Speed Adjustment _________ 76
Straight Tracking Adjustment ___________ 77
FSC Neutral Switch Adjustment _________ 77
Forward Speed Control
Friction Adjustment ___________________ 78
Blade Clutch (PTO) ____________________ 79
Clutch Engagement/Belt Tension ________ 79
Blade Brake Band Adjustment __________ 80
Tilt-Up Deck Adjustable Stop ____________ 81
GHS “Full” Signal Horn Adjustment ______ 82
Warranty _____________________ 83