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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-po
nding P
Inspect/clean
٤
13
Engine oil
Replace
٤
*1
17
Tightening parts
(bolt, nut)
Inspect
٤
19
Clean/inspect
٤
̆
Fuel tank
Drain fuel
٤
*3
20
Throttle lever Check function
٤
15
Stop switch Check function
٤
15
Cutting blade Inspect
٤
٤
12
Low-speed rotation Inspect/adjust
٤
16
Air cleaner Clean
٤
18
Ignition plug Inspect
٤
18
Cooling air duct Clean/inspect
٤
19
Inspect
٤
19
Fuel pipe
Replace
٧
*2
̆
Gear-case grease Refill
٤
19
Fuel filter Clean/replace
٤
19
Oil tube Inspect
٧
*2
Clearance between air intake
valve and air discharge valve
Adjust
٧
*2
̆
Engine overhaul
٧
*2
̆
Carburetor Drain fuel
٤
*3
20