
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/Overflow 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 first 100 hours of operation (break-in period)
***
Air cleaner is remote mounted Donaldson Radialseal™ unit, replace filters every year and
dust ejection valve every year or when worn or damaged
Δ
Change engine oil and filter after first 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.