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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MB
Service Item
Daily
25
Hours
50
Hours
100
Hours Yearly
Ref.
Page
Check Engine Crankcase Oil Level
x2-3
Check/Clean Engine Air Cooling System*
x3-27
Clean Grass Buildup Under Deck
x3-28
Service Mower Blades
x3-13
Check Security of Air Cleaner System
x3-12
Lubricate Grease Fittings and Oil Points*
x2-15
Check Transaxle Fluid
x2-12
Check Tire Pressure
x3-12
Check Drive Belts (Engine, PTO, Ground Drive)
x3-14
Check PTO and Deck Gearbox Oil Seals
x3-15
Inspect Air Filter Paper Element*
x3-27
Clean and Re-Oil Air Filter Foam Element
x3-27
Change Engine Crankcase Oil**
x2-5
Change Engine Oil Filter
x2-5
Check Security of Drive Tire
Mounting Nuts (75-85 ft-lbs.)
x3-13
Clean Transaxle Cooling Fins
x3-31
Replace Fuel Filter
x4-24
ā More often in extremely dusty or dirty conditions
āā Change engine oil and filter after first 8 hours
of operation of a new engine (break-in period)
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.
CAUTION
When performing maintenance with the
mower body raised, a safety prop should
be installed from back of body to chassis
frame (fail-safe protection in case of fail-
ure of body lift support).