22
*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
Inspect/clean
٤
12
Engine oil
Replace
٤
*1
18
Tightening parts
(bolt, nut)
Inspect
٤
20
Clean/inspect
٤
̆
Fuel tank
Drain
fuel
٤
*3
21
Throttle lever
Check function
٤
14
Stop switch
Check function
٤
14
Cutting blade
Inspect
٤
٤
10
Low-speed rotation
Inspect/adjust
٤
16
Air cleaner
Clean
٤
19
Ignition plug
Inspect
٤
20
Cooling air duct
Clean/inspect
٤
20
Inspect
٤
20
Fuel pipe
Replace
٧
*2
̆
Gear-case grease
Refill
٤
20
Fuel
filter
Clean/replace
٤
20
Clearance between air intake
valve and air discharge valve
Adjust
٧
*2
̆
Engine
overhaul
٧
*2
̆
Carburetor
Drain
fuel
٤
*3
21