8
Part III Maintenance
3-1 Maintenance list
●
The oil shall be replaced every 10 h if it is frequently operated under high
temperature or high load.
● The air filter element shall be cleaned every 10 h if it is frequently operated in
dusty or harsh environment; the air filter element shall be replaced every 25 h if
necessary.
● The maintenance shall be carried out on the basis of first come for the spot
inspection period and time.
● If the maintenance interval has expired, the maintenance shall be carried out
according to the above table as soon as possible.
Maintenance
period
Item
Every
time
1st month
or 10
hours at
the first
time
Every 3
months or
20 hours
Every 6
months or
50 hours
Every year
or 100 hours
Gasoline
engine oil
Check-fill
√
Replace
√
√
Air filter
element
Check
√
Clean
√
Replace
√
Spark plug
Clean-adjust
√*
Spark arrester
Clean
√
Valve
clearance**
Check-adjust
√
Fuel pipe
Check
Every two years (please replace it if necessary)
Cylinder head
and piston
Clear carbon
deposits**
Every 200 hours;
*The item shall be replaced if necessary;
**These items shall be maintained by the dealer authorized by our company, unless the user
has proper tools and maintenance capability.