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27
Operating time
Item
Before
operation
After
lubrication
Daily
(10h)
30h 50h 200h
Shutdown
/rest
Corres-
ponding P
Inspect/
clean
٤ 16
Engine oil
Replace
٤
*1
21
Tightening
parts (bolt, nut)
Inspect
٤ 24
Clean/
inspect
٤ ̆
Fuel tank
Drain fuel
٤
*3
25
Throttle lever
Check
function
٤ 18
Stop switch
Check
function
٤ 18
Cutting blade
Inspect
٤ ٤ 15
Low-speed
rotation
Inspect/
adjust
٤ 20
Air cleaner
Clean
٤ 23
Ignition plug
Inspect
٤ 23
Cooling air
duct
Clean/
inspect
٤ 24
Inspect
٤ 24
Fuel pipe
Replace
٧
*2
̆
Gear-case
grease
Refill
٤
23
Fuel filter
Clean/
replace
٤
24
Clearance
between air
intake valve
and air
discharge valve
Adjust
٧
*2
̆
Oil tube
Inspect
٧
*2
Engine
overhaul
٧
*2
̆
Carburetor
Drain fuel
٤
*3
25
*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.