4
*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
22
Fuel tank
Clean/inspect
—
Drain fuel
*
3
23
Throttle lever
Check function
—
Stop switch
Check function
16
Cutting blade
Inspect
11
Low-speed rotation
Inspect/adjust
17
Air cleaner
Clean
21
Ignition plug
Inspect
21
Cooling air duct
Clean/inspect
22
Fuel pipe
Inspect
22
Replace
*
2
—
Gear-case grease
Refill
21
Fuel filter
Clean/replace
22
Clearance between air intake
valve and air discharge valve
Adjust
*
2
—
Oil tube
Inspect
*
2
Engine overhaul
*
2
—
Carburetor
Drain fuel
*
3
23
Содержание MS-335.4 U
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