14
7. PERIODIC MAINTENANCE
1) MAINTENANCE CHART
Regular maintenance is most important for the best performance and safe operation.
Item Remarks
Pre-operation
check
(daily)
Initial
1 months
or 20 Hr
Every
3
months
or 50Hr
Every
6 months
or100Hr
Every
12 months
or 300Hr
Spark
Plug
Check condition adjust gap
and clean. Replace if
necessary.
z
Engine
Oil
Check oil level
z
Replace
z
z
Oil filter
Clean oil filter
z
Air Filter
Clean. Replace if necessary.
z
Fuel
Filter
Clean fuel cock filter. Replace
if necessary
z
Choke
Check choke operation
z
Valve
Clearance
Check and adjust when
engine is cold.
z
Fuel Line Check fuel hose for crack or
damage. Replace if
necessary.
z
Exhaust
System
Check for leakage. Retighten
or replace gasket if necessary
z
Check muffler screen.
Clean / replace if necessary.
z
Carburetor Check
choke
operation
z
Cooling
system
Check fan damage.
z
Starting
system
Check recoil starter operation.
z
Idle speed Check and adjust engine idle speed
z
Fittings
/ Check all fittings and
z
