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
I
R
Fuel Line
Inspect
I
I
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
I
I
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.
