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Operating time
Item
Engine oil
Tightening parts
(bolt, nut)
Fuel tank
Throttle lever
Stop switch
Cutting blade
Low-speed rotation
Air cleaner
Ignition plug
Cooling air duct
Fuel pipe
Gear-case grease
Fuel filter
Oil tube
Clearance between air intake
valve and air discharge valve
Engine overhaul
Carburetor
*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.
Before
operation
lubrication
Inspect/clean
Replace
Inspect
Clean/inspect
Drain fuel
Check function
Check function
Inspect
Inspect/adjust
Clean
Inspect
Clean/inspect
Inspect
Replace
Refill
Clean/replace
Inspect
Adjust
Drain fuel
After
Daily
30h
(10h)
20
Shutdown/
50h
200h
rest
*
1
*
3
*
2
*
2
*
2
*
2
*
3
Corres-
ponding P
12
16
18
—
19
15
15
11
15
17
17
19
18
—
18
18
—
—
—
19
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