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Table of Contents
Maintenance Instructions __________ 57
MAINTENANCE SCHEDULE CHART _______ 57
IMPORTANT TIPS FOR CARE
OF THE KOHLER ENGINE _______________ 58
Fuel System _________________________ 58
Starting/Stopping_____________________ 58
Cooling System - MT, MTEFI____________ 58
Cooling System - MTL _________________ 58
Air Cleaner System ___________________ 58
Oil _________________________________ 59
LUBRICATION _________________________ 59
Engine Oil ___________________________ 59
Engine Break-In Oil __________________ 59
Checking Engine Crankcase Oil Level ___ 59
Changing Engine Crankcase Oil/Oil Filter _60
Mower Deck Gearbox Lubrication _______ 60
DSD52 or DSD62
Mower Deck Lubrication _______________ 61
Tractor PTO Gearbox Lubrication _______ 62
Checking Gearbox Oil Level ___________ 62
Changing Gearbox Oil ________________ 62
Gear Axle Lubrication _________________ 62
Hydrostatic Transmission Fluid _________ 63
Checking Hydrostatic
Transmission Fluid Level ______________ 63
Grease Fitting and Oil Point Lubrication __ 63
CLEANING ____________________________ 66
Engine Air Cleaner System_____________ 66
Turbine Precleaner __________________ 66
Donaldson Radialseal™ Air Cleaner _____ 67
Engine Cooling System - MT and MTEFI __ 68
Air Intake System ___________________ 68
Cylinder Head Cooling Fins ____________ 69
Engine Cooling System - MTL and MTLEFI 69
Radiator Screen and Cooling Fins ______ 69
Flushing Radiator and Changing Coolant _70
Grass Buildup in Mower Housing________ 70
GHS Blower _________________________ 71
GHS Exhaust Screen __________________ 71
Hydrostatic Transmission Cooling Fins __ 71
CHECKING/SERVICING _________________ 72
Engine Cooling System - MTL and MTLEFI 72
Coolant Level ______________________ 72
Security of Air Filtration Components ____ 72
Battery______________________________ 73
Electrolyte Level ____________________ 73
Cleaning the Terminals _______________ 73
Charging the Battery _________________ 73
Tire Pressure ________________________ 74
Wheel Bolt Torque ____________________ 74
Sharpen Mower Blades ________________ 74
Drive Belts __________________________ 75
Mower Deck Gearbox Oil Seals
_________ 75
Spark Plugs _
___
_____________________ 75
Ignition Wires________________________ 75
Fuel Lines and Clamps ________________ 75
Radiator Hoses and Clamps -
MTL and MTLEFI _____________________ 76
Blade Brake Action ___________________ 76
PTO U-Joints ________________________ 76
Safety Switch System _________________ 76
Forward Speed Control Friction Lock ____ 76
REPLACING/REPAIRING ________________ 77
Drive Belts __________________________ 77
Engine PTO Drive Belt _______________ 78
Jackshaft Drive Belt _________________ 79
GHS Blower Drive Belt _______________ 80
Hydrostatic Ground Drive Belt _________ 81
Fuel Filter - Model MT and MTL _________ 82
Fuel Filter - MTEFI and MTLEFI _________ 82
Blade Overload Shear Bolts ____________ 83
PTO Shear Pin _______________________ 83
Mower Blades _______________________ 84
ADJUSTMENTS________________________ 85
Steering Levers ______________________ 85
Tilt-Up Deck Adjustable Stop ___________ 85
GHS Signal Horn Adjustment
(When Horn Sounds at Wrong Time)_____ 86
Warranty___________________________ 87