Maintenance Instructions
44
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL H38i
Service Item
Daily
25
Hours
100
Hours
200
Hours
400
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 46
Check/Clean Engine Air Cooling System* x 54
Clean Grass Buildup Under Deck x 55
Service Mower Blades x 59
Check Security of Air Cleaner System x 58
Check Function of Warning Lights and Horn x 26
Lubricate Grease Fittings and Oil Points* x 49
Check Tire Pressure x 59
Check Drive Belts
(Engine/PTO, Ground Drive, Blade Drive)
x 60
Check Operation of Safety Interlock Switches x 61
Check Battery Electrolyte Level x 58
Check Transaxle Oil Level (in Reservoir) x 48
Change Engine Crankcase Oil**
Δ
x 46
Check Air Filter Element*** x 53
Clean Engine Cooling Fins x 55
Check Security of Drive Tire
Mounting Nuts (75 to 85 lb·ft)
x 59
Check Blade Brake Action x 61
Check FSC Friction Lock x 61
Check/Adjust Blade Clutch x 74
Clean Transaxle Housing x 57
Change Engine Oil Filter x 46
Check/Regap Spark Plugs x 60
Replace Fuel Filter x 67
Change Transaxle Oil and Filter
ΔΔ
x 48
Check Fuel Lines and Clamps x 60
Replace Air Filter Element *** x 53
Service Battery x 58
Service Solenoid Shift Starter x
ΔΔΔ
Check PTO UJoints for Wear/Looseness x 60
Replace Fuel Lines and Clamps x 60
Replace Ignition Wires x 60
* 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 engine oil and lter after rst 5 hours of operation of a new engine (break-in period)
*** Air cleaner is engine mounted Kohler unit, replace lters every year or when worn or damaged
Δ Change oil every 50 hours when operating in dry, dirty conditions
ΔΔ Change transaxle oil after the initial break-in period of 75-100 hours operation
ΔΔΔ See your Walker dealer for this service or refer to the Walker Service Manual
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.
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