Maintenance Instructions
45
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL H27i
Service Item
Daily
25
Hours
100
Hours
200
Hours
400
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 47
Check/Clean Engine Air Cooling System* x 55
Check Air Filter Restriction Gauge x 53
Clean Grass Buildup Under Deck x 57
Service Mower Blades x 60
Check Security of Air Cleaner System x 59
Check Function of Warning Lights and Horn x 26
Lubricate Grease Fittings and Oil Points* x 49
Check Tire Pressure x 60
Check Drive Belts (Engine/PTO, Ground Drive,
Blade Drive)
x 61
Check Operation of Safety Interlock Switches x 62
Check Battery Electrolyte Level x 59
Check Transaxle Oil Level (in Reservoir) x 49
Change Engine Crankcase Oil**
Δ x 47
Check Air Filter Element*** x 54
Clean Engine Cooling Fins x 56
Check Security of Drive Tire
Mounting Nuts (75 to 85
lb·ft)
x 60
Check Blade Brake Action x 62
Check FSC Friction Lock x 63
Check Operation of Turbine Precleaner Fan* x 53
Check/Adjust Blade Clutch x 74
Clean Transaxle Housing x 58
Change Engine Oil Filter x 47
Check/Regap Spark Plugs x 61
Replace Fuel Filter x 68
Change Transaxle Oil and Filter
ΔΔ x 52
Check Fuel Lines and Clamps x 61
Replace Air Filter Element, Safety Filter,
Dust Ejection Valve***
x 54
Service Battery x 59
Service Solenoid Shift Starter x
ΔΔΔ
Check PTO UJoints for Wear/Looseness x 62
Check Transmission Control Settings x 62
Replace Fuel Lines and Clamps x 61
Replace Ignition Wires x 61
* 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 remote mounted Cummins/Fleetguard OptiAir™ unit, replace lter(s) every year and dust ejection
valve 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.