Maintenance Instructions
57
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL T30i
Service Item
Daily
25
Hours
100
Hours
200
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 59
Check Coolant Level, Radiator/Overow Tank x 72
Clean Radiator Screen and Cooling Fins* x 69
Check Security of Air Filtration Components x 72
Check Air Filter Restriction Gauge x 67
Clean Grass Buildup Under Deck x 69
Clean GHS Exhaust Screen* x 71
Clean GHS Blower* x 70
Service Mower Blades x 74
Check Functions of Instrument Panel and
Warning Horn
x 27
Lubricate Grease Fittings and Oil Points* x 63
Check PTO Gearbox Oil Level** x 62
Check Battery Electrolyte Level x 73
Check Hydrostatic Transmission Fluid
◊
x 63
Check Tire Pressure x 74
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x 75
Check Deck Gearbox Oil Seals x 75
Check Safety Switch System x 77
Check Turbine Precleaner* x 66
Check Blade Brake Action x 76
Check Air Filter Element*** x 67
Check Oil Level in Gear Axle x 63
Clean Hydrostatic Transmission Cooling Fins x 71
Change Engine Crankcase Oil
∆
x 60
Check Wheel Bolt Torque (75 to 85 lb·ft)
x 74
Change Engine Oil Filter
∆
x 60
Check Radiator Hoses and Clamps x 76
Check/Regap Spark Plugs x 75
Replace Air Filter Element, Safety Filter,
Dust Ejection Valve***
x 67
Flush Radiator and Change Coolant x 69
Service Battery x 73
Check Transmission Control Setting x 76
Check FSC Friction Lock x 77
Service Solenoid Shift Starter x
ΔΔΔ
Check PTO U-Joints for Wear/Looseness x 76
Check Fuel Lines and Clamps x 75
Change Gear Axle Oil
∆∆
x 63
Change Hydrostatic Transmission Fluid
∆∆
x
ΔΔΔ
Replace Radiator Hoses and Clamps x 76
Replace Fuel Lines and Clamps x 75
Replace Ignition Wires x 75
Replace Fuel Filter x 83
* More often in extremely dusty or dirty conditions (refer to notes about air cleaner element in
IMPORTANT TIPS FOR CARE OF THE KOHLER ENGINE)
** Change PTO gearbox oil after rst 100 hours of operation (break-in period)
*** Air cleaner is remote mounted Donaldson Radialseal™ unit, replace lters every year and
dust ejection valve every year or when worn or damaged
Δ Change engine oil and lter after rst 5 hours of operation of a new engine (break-in period)
ΔΔ Change every 2 years or 1000 hours
ΔΔΔ See your Walker dealer for this service or refer to the Walker Service Manual
◊
Hydrostatic transmissions are sealed - DO NOT OPEN RESERVOIR CAPS - refer to Checking Hydrostatic
Transmission Fluid Level in this section
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.