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G
RASS
T
RIMMER
O
PERATOR
'
S
M
ANUAL
19
MAINTENANCE INTERVALS
Component/System Maintenance Procedure
Daily or
Before
Use
Every
Refuel
3 Months
or 90
Hours
6 Months
or 270
Hours
Yearly
Air Filter Clean / Replace
I / C R *
Fuel Strainer Clean / Replace
IR
Fuel Line Inspect
II I
Carburetor Inspect / Rebuild / Replace
I / C R (1)
Choke System Inspect / Clean / Replace
I / C I / C
Cooling System Inspect / Clean
I / C
Muffler Spark
Arrestor
Inspect / Clean
I / C
Cylinder Exhaust Port Inspect / Clean / Decarbon
I / C
Drive Shaft (Flex
Cable Models)
Grease
I (2)
Gear Housing Grease
I
Starter Rope Inspect / Clean
I
Fuel Leaks Inspect / Replace
II
Spark Plug Clean / Replace
I / C R
Ignition System Clean / Replace No Maintenance required for coil and flywheel
Screws/Nuts/Bolts Inspect /T ighten / Replace
I
I = Inspect / R = Replace / C = Clean
Time intervals shown are maximum. Actual use and your experience will determine the frequency of
required maintenance.
(1) Replacement will be required for commercial use yearly. For Consumer use, cleaning every 6 months
is required. Cleaning includes Rebuild Kits.
* All recommendations to replace are based on the finding of damage or wear during inspection.
(2) Grease flexible drive cables every 25 hours and/or on a weekly schedule.