GB - 17
*
Change oil after first 8 hours of operation and every 100 hours thereafter.
MAINTENANCE SCHEDULE
Period
Service
Task
Each Use
Check Safety Interlock System
WARNING: Safety interlock system failure and improper operation of
unit can result in death or serious injury. Test this system each time
the unit is operated. If this system does not function as described, do
not operate until repairs are made. See Check Safety Interlock
System on page 11.
Check Air Cleaner
Check the air cleaner element before each use. See engine manual for
detailed instructions.
Check Engine Oil
Check the engine oil level before each use. Never operate the engine when
the oil level is low. See engine manual for detailed instructions.
Check Engine Cooling
Check the engine air cooling system before each use. See engine manual for
detailed instructions.
Check Fasteners
Check all nuts, bolts, and other fasteners before each use. Replace missing
or damaged fasteners.
Check Tire Pressure
Check tires for proper inflation, excessive wear or damage before each use.
The correct air pressure is 55 to 110 kPa (8 to 16 psi).
Follow Engine Manual
Maintenance Schedule
Perform scheduled engine maintenance. See engine manual for detailed
instructions.
Every 25
Hours
Check All Belts
Check all belts for wear or damage. If belts slip, check for damaged belt
tensioner.
Mower Blades
Check mower blades for wear. Sharpen or replace as needed. See MOWER
BLADES on page 22.
Clean Air Cleaner Foam
Element
See engine manual for detailed instructions.
Every 50
Hours
General Lubrication
Oil all pivot points and pin connections. Grease lube fittings. See GENERAL
LUBRICATION on page 18.
Every 100
Hours
Change Engine Oil
*
Open the petcock to drain oil through oil drain hose on the right side of
engine. See engine manual for additional instructions.
Check Fuel Filter
See engine manual for detailed instructions.
Check Spark Plug
See engine manual for detailed instructions.
Check Muffler
Check muffler for damage or wear. Replace if necessary.
Clean Air Cleaner Paper
Element
See engine manual for detailed instructions.
Summary of Contents for 988410
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