20
Operating time
Item
Before
operation
After
lubrication
Daily
(10h)
30h
50h
200h
Shutdown/
rest
Corres-
ponding P
Engine oil
Inspect
12
Replace
*
1
16
Tightening parts
(bolt, nut)
Inspect
18
Fuel tank
Clean/inspect
—
Drain fuel
*
3
19
Throttle lever
Check function
—
Stop switch
Check function
15
Low-speed rotation
Inspect/adjust
15
Air cleaner
Clean
17
Ignition plug
Inspect
18
Cooling air duct
Clean/inspect
18
Fuel pipe
Inspect
18
Replace
*
2
—
Fuel filter
Clean/replace
18
Clearance between air intake
valve and air discharge valve
Adjust
*
2
—
Engine overhaul
*
2
—
Carburetor
Drain fuel
*
3
19
*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.
Check instruction manuals for each attachment, and carry out maintenance on them when they are being used.