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*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.
Operating time
Item
Before
operation
After
lubrication
Daily
(10h)
30h 50h 200h
Shutdown/
rest
Corres-
ponding P
Engine oil
Inspect/clean 13
Replace *
1
19
Tightening parts
(bolt, nut)
Inspect 21
Fuel tank
Clean/inspect —
Drain fuel *
3
22
Throttle lever Check function —
Stop switch Check function 17
Cutting blade Inspect 11
Low-speed rotation Inspect/adjust 17
Air cleaner Clean 20
Ignition plug Inspect 21
Cooling air duct Clean/inspect 21
Fuel pipe
Inspect 21
Replace *
2
—
Gear-case grease Rell 21
Fuel lter Clean/replace 21
Clearance between air intake
valve and air discharge valve
Adjust *
2
—
Engine overhaul *
2
—
Carburetor Drain fuel *
3
22