Table of Contents
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Table of Contents
Maintenance Schedule Chart ...........................58
Kubota Engine ...................................................59
Fuel System ..............................................................59
Starting/Stopping ......................................................59
Cooling System .........................................................59
Air Cleaner System ...................................................59
Oil ..............................................................................59
Lubrication .........................................................60
Engine Oil .................................................................60
Engine Break-In Oil ...............................................60
Checking Engine Crankcase Oil Level ..................60
Changing Engine Crankcase Oil/Oil Filter .............60
Mower Deck Gearbox Lubrication.............................62
DS52 Mower Deck Lubrication .................................62
Mower Deck Spindle Lubrication ..............................63
Tractor PTO Gearbox Lubrication .............................63
Checking Gearbox Oil Level..................................63
Changing Gearbox Oil ...........................................63
Gear Axle Lubrication................................................63
Hydrostatic Transmission Oil ....................................64
Extending the Warranty .........................................64
Transmission Oil and Filter ....................................64
Grease Fitting and Oil Point Lubrication ..................65
Cleaning .............................................................68
Engine Air Cleaner System .......................................68
Turbine Precleaner ................................................68
Donaldson Radialseal™ Air Cleaner .....................69
Engine Cooling System.............................................70
Radiator Screen and Cooling Fins ........................70
Flushing Radiator and Changing Coolant .............71
Grass Buildup in Mower Deck Housing ....................71
GHS Blower ..............................................................72
GHS Exhaust Screen ................................................72
Hydrostatic Transmission Cooling Fins .....................73
Checking/Servicing ...........................................73
Engine Cooling System.............................................73
Coolant Level ........................................................73
Alternator Belt Tension ..........................................74
Security of Air Filtration Components........................74
58
Battery.......................................................................74
Cleaning the Terminals ..........................................74
Charging the Battery .............................................75
Tire Pressure ............................................................75
Wheel Bolt Torque .....................................................75
Sharpen Mower Blades.............................................75
Drive Belts.................................................................76
Mower Deck Gearbox Oil Seals ................................76
Fuel Lines and Clamps .............................................76
Radiator Hoses and Clamps .....................................77
Engine Valve Clearance ............................................77
Fuel Injection Nozzle Pressure .................................77
Transmission Control Setting ....................................77
Neutral-Park ..........................................................77
Straight Ground Tracking ......................................77
Blade Brake Action....................................................77
PTO U-Joints ............................................................78
Safety Switch System ...............................................78
Forward Speed Control Friction Lock .......................78
Replacing/Repairing ..........................................79
Drive Belts.................................................................79
Engine PTO Drive Belt ..........................................80
Jackshaft Drive Belt...............................................81
GHS Blower Drive Belt ..........................................82
Hydrostatic Ground Drive Belt ...............................83
Engine Alternator Belt ..........................................84
Deck Drive Belt (Optional DS60-3 Deck) ..................85
Fuel Filter .................................................................86
Blade Overload Shear Bolts......................................86
Mower Blades ...........................................................87
Adjustments .......................................................88
Transmission Control ................................................88
Steering Lever Position Adjustment ......................88
Set FSC Travel Limits (Stop) .................................88
Set Maximum Forward Travel Speed (Stop) .........89
Neutral Function Adjustment .................................89
Straight Ground Travel Adjustment .......................90
Blade Clutch (PTO) ...................................................91
Clutch Engagement/Belt Tension ..........................91
Clutch Disengagement/Brake Action .....................91
Forward Speed Control Friction Lock .......................92
Steering Handles ......................................................93
Tilt-Up Deck Adjustable Stop ....................................93
GHS "Full" Signal Horn Adjustment ..........................94
D21d
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