24
Maintenance chart
Operating time
Item
Before
operation
After
refuleling
Daily
(10h)
20h
30h
50h
200h
Before
storage
Corres-
ponding P
Engine oil
Inspect/clean
14
Replace
*
1
Tightening parts
(bolt, nut)
Inspect
—
Fuel tank
Clean/inspect
—
Drain fuel
*
3
9
V-belt
Inspect/adjust
18
Throttle lever
Check function
—
Stop switch
Check function
16
Cutting disc
Inspect
6
Idle speed
Inspect/adjust
17
Air filter
Clean
19
Dust bag filter
Clean/replace
19
Prefilter
Clean/replace
19
Spark plug
Inspect
20
Cooling air passage and
cylinder fins
Clean/inspect
—
Fuel pipe
Inspect
—
Replace
*
2
—
Fuel filter
Clean/replace
20
Valve clearance (intake valve
and exhaust valve)
Inspect/adjust
*
2
—
Carburetor
Drain fuel
*
3
9
*1 Perform initial replacement after 20h operation.
*2 For the 200 operating hour inspection, request Authorized Service Agent or a machine shop.
*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.