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