23
*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 *119
Tightening parts
(bolt, nut) Inspect 21
Fuel tank
Clean/inspect —
Drain fuel *322
Throttle lever Check function
Stop switch Check function 17
Cutting blade Inspect 11
Low-speed rotation Inspect/adjust 17
Air cleaner Clean 20
Ignition plug Inspect 21
Cooling air duct Clean/inspect 21
Fuel pipe
Inspect 21
Replace *2
Gear-case grease Rell 21
Fuel lter Clean/replace 21
Clearance between air intake
valve and air discharge valve Adjust *2
Engine overhaul *2
Carburetor Drain fuel *322