
Maintenance Instructions
51
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL T25i
Service Item
Daily
25
Hours
100
Hours
200
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level
x
53
Check/Clean Engine Air Cooling System*
x
60
Check Security of Air Filtration Components
x
66
Check Air Filter Restriction Gauge
x
61
Clean Grass Buildup Under Deck
x
64
Clean GHS Exhaust Screen*
x
45
Clean GHS Blower*
x
65
Service Mower Blades
x
68
Check Functions of Instrument Panel and
Warning Horn
x
26
Lubricate Grease Fittings and Oil Points*
x
57
Check PTO Gearbox Oil Level**
x
56
Check Battery Electrolyte Level
x
67
Check Hydrostatic Transmission Fluid
◊
x
57
Check Tire Pressure
x
68
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x
69
Check Deck Gearbox Oil Seals
x
69
Check Safety Switch System
x
70
Check Turbine Precleaner*
x
60
Check Blade Brake Action
x
70
Check Air Filter Element***
x
61
Check Oil Level in Gear Axle
x
56
Clean Hydrostatic Transmission Cooling Fins
x
66
Clean Engine Cooling Fins
x
63
Change Engine Crankcase Oil
Δ
x
54
Check Wheel Bolt Torque (75 to 85
lb·ft
)
x
68
Change Engine Oil Filter
Δ
x
54
Check/Regap Spark Plugs
x
69
Replace Air Filter Element, Safety Filter,
Dust Ejection Valve***
x
61
Replace Fuel Filter
x
76
Service Battery
x
67
Check FSC Friction Lock
x
70
Service Solenoid Shift Starter
x
ΔΔΔ
Check PTO U-Joints for Wear/Looseness
x
70
Check Fuel Lines and Clamps
x
69
Change Gear Axle Oil
ΔΔ
x
56
Change Hydrostatic Transmission Fluid
ΔΔ
x
ΔΔΔ
Replace Fuel Lines and Clamps
x
69
Replace Ignition Wires
x
69
∗
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 Hydrostatic
Transmission Fluid
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.
Summary of Contents for T25i
Page 85: ...81 Operator s Notes...
Page 86: ...82 Operator s Notes...