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68
Maintenance Schedule
REGULAR SERVICE
PERIOD(4)
Before
Each
Use
First
Month
or
5 Hrs
Every 3
Months
or
25 Hrs
Every 6
Months
or
50 Hrs
Every
Year
or
100 Hrs
Every
Two
Years
or 250
Hrs
ITEM
Perform at every indicated
month or operating hour
interval, whichever comes
first.
Engine oil
Check
O
Replace
O
O(2)
Air cleaner
Check
O
Replace
O
Spark plug
Check-adjust
O
Replace
O
Flywheel
brake pad
(A types)
Check
O
Fuel tank
and filter
Clean
O
Fuel tube
Check
Every 2 years (Replace if necessary)
Valve
clearance
Check-adjust
O
Combustion
chamber
Clean
After every 200 hours
Trouble Shooting
ENGINE WILL NOT START
Possible Cause
Correction
1. Check fuel.
Out of fuel.
Refuel
Bad fuel; engine stored
without treating or draining
gasoline, of refueled with bad
gasoline
Drain the fuel tank and
carburetor. Refuel with fresh
gasoline.
2. Remove and inspect spark
plug.
Spark plug faulty, fouled, or
improperly gapped.
Replace the spark plug.
Spark plug wet with fuel
(flooded engine).
Dry and reinstall spark plug.