Maintenance - RedMax GZ3500T Owner's/Operator's Manual

GZ3500T

9. 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 soapy water. Do not use gaso-
line. Dry them completely before reinstalling.
knob
air cleaner cover
filter elements
2. Oiling port
Remove the guide bar and check the oiling port for clogging.
Oiling port
3. Guide bar
When the guide bar is removed, 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 fasteners and damage to
major parts, especially handle joints and guide bar mounting.
If any defects are found, make sure to have them repaired be-
fore operating the saw again.
PERIODICAL SERVICE POINTS
1. Cylinder fins
1. Remove the starter case.
2. Remove sawdust between the
cylinder fins.
3. Clean the inside of the starter case.
2. Fuel filter
(a) Using a wire hook, pull out the filter from the filter port.
(b) If dirty, replace filter.
Replace with new one if clogged with dirt.
US-14
When installing the filter, do not pinch or fold the suction pipe.
3. Oil filter
1. With a wire hook, take out the oil filter from the feeding
2. Wash the filter with non-flammable solvent.
When installing the filter, do not pinch or fold the suction pipe.
4. Spark plug
Clean the electrodes with a wire brush and reset the gap to
0.6 mm~0.7mm (0.24~0.28inch) 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
• Before starting the engine, check around the muffler and
This engine is air-cooled. Dirt 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 after re-
moving the air cleaner and the cylinder cover.
Fuel filter
When installing the cylinder cover, make sure that switch wires
and grommets are positioned correctly in place.
WARNING
port.
Oil filter
WARNING
(0.24~0.28inch)
0.2inch (0.5mm)
WARNING
cylinder, muffler or ignition plug etc. during operation or right
after stopping the engine.
remove sawdust. If you do not, it will cause the overheating.
Keep clean area around the muffler.
inlet port of the cooling air
IMPORTANT
NGK
CMR7H