Maintenance - Zenoah G2500 Owner's Manual

7. Maintenance

WARNING
Before cleaning, the inspecting or repairing the unit, make sure
that engine has stopped and is cool. Disconnect the spark
plug to prevent accidental starting.
■ MAINTENANCE AFTER EACH USE
1. Air filter
Loosen the knob and remove the air cleaner cover. Take off the
filter elements and tap off attached sawdust. When they are
extremely dirty, shakewash with gasoline. Dry them completely
before reinstalling.
2. Oiling port
Dismount the guide bar and check the oiling port for clogging.
Oiling port
3. Guide bar
When the guide bar is dismounted, remove sawdust in the bar
groove and the oiling port.
<Type : sprocket nose>
Grease the nose sprocket from the feeding port on the tip of
the bar.
Oiling port
4. Others
Check for fuel leakage and loose fastenings and damage to
major parts, especially handle joints and guide bar mounting.
If any defects are found, make sure to have them repaired
before operating the saw again.
■ PERIODICAL SERVICE POINTS
1. Cylinder fins
Reriodically check and clean the cylinder fins in the repair spe-
cialty store.
2. Fuel filter
(a) Using a wire hook, take out the filter from the filler port.
Fuel filter
(b) Wash the filter with gasoline.
Replace with new one if clogged with dirt completely.
When returning the filter, use a pinch not to be folded the suc-
tion pipe.
3. Oil filter
1. With a wire hook, take out the oil filter from the feeding
2. Wash the filter with gasoline.
When returning the filter, use a pinch not to be folded the suc-
tion pipe.
4. Spark plug
Clean the electrodes with a wire brush and reset the gap to
0.6 mm as necessary.
5. Sprocket
Grease port
Sprocket
Check for cracks and for excessive wear interfering with the
chain drive. If the wear is considerable, replace it with new
one. Never fit a new chain on a worn sprocket, or a worn chain
on a new sprocket.
6. Way of the cooling air
• The engine metal parts can burn your skin. Never touch the
cylinder, muffler or ignition plug etc. during operation or right
after stopping the engine.
• Before starting the engine, check around the muffler and
take off sawdust. If you do not, it will cause the overheating
and a fire. For preventing the trouble, please keep clean
around the muffler.
This engine is air-cooled. Dust clogging between the inlet port
of the cooling air and cylinder fins will cause overheating of
the engine. Periodically check and clean the cylinder fins in
the repair specialty store.
WARNING
port.
WARNING
WARNING
G2500
Oil filter
Champion
RCJ-7Y
GB-15
G
B