Maintenance Instructions
46
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL H37i
Service Item
Daily
25
Hours
100
Hours
200
Hours
400
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 48
Check/Clean Engine Air Cooling System* x 56
Clean Grass Buildup Under Deck x 57
Service Mower Blades x 61
Check Security of Air Cleaner System x 60
Check Function of Warning Lights and Horn x 26
Lubricate Grease Fittings and Oil Points* x 51
Check Tire Pressure x 61
Check Drive Belts (Engine/PTO, Ground Drive,
Blade Drive)
x 62
Check Operation of Safety Interlock Switches x 64
Check Battery Electrolyte Level x 60
Check Transaxle Oil Level (in Reservoir) x 50
Change Engine Crankcase Oil**
Δ
x 49
Check Air Filter Element*** x 55
Check Security of Drive Tire
Mounting Nuts (75 to 85
lb·ft)
x 61
Check Blade Brake Action x 63
Check FSC Friction Lock x 64
Check/Adjust Blade Clutch x 75
Clean Transaxle Housing x 59
Change Engine Oil Filter x 49
Check/Regap Spark Plugs x 63
Replace Fuel Filter x 69
Change Transaxle Oil and Filter
Δ Δ
x 50
Check Fuel Lines and Clamps x 63
Replace Air Filter Element, Safety Filter,
Dust Ejection Valve ***
x 55
Service Battery x 60
Service Solenoid Shift Starter x
ΔΔΔ
Check PTO UJoints for Wear/Looseness x 63
Check Transmission Control Settings x 63
Clean Engine Cooling Fins (Remove Shroud) x 57
Replace Fuel Lines and Clamps x 63
Replace Ignition Wires x 63
* More often in extremely dusty or dirty conditions (refer to notes about air cleaner element in
IMPORTANT TIPS FOR CARE OF THE BRIGGS & STRATTON ENGINE)
** Change engine oil and lter after rst 5 hours of operation of a new engine (break-in period)
*** Air cleaner is engine mounted Briggs & Stratton unit, replace lter(s) 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.
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