20
*1 Perform initial replacement after 20 h operation.*2 For the 200 operating hour inspection, request Authorized Service Agent or a mach ine shop.*3 After em ptying the fuel tank, continue to run the engine and drain fuel in the carbur etor.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