Raider Power Tools RD-GCS15 User Manual page 23

Allow the engine to heat up with throttle lever (11) slightly pressed.
Move the brake lever (6) to switched off position (to the back).
In case the engine does not start at the first try, pull out the choke (2) halfway and
pull the starter line again.
Do not start the engine while holding the saw in hands. During start up the chain
saw must rest on ground and be held firmly. Ensure the chain is free to move without
touching any object. Do not cut any material with choke cable pulled out.
4.2. Stopping the engine.
Release the throttle lever (11) and allow the engine to run idle for a few minutes.
Set the ignition switch (14) to STOP position.
4.3. Checking chain lubrication.
Check lubrication of the chain and oil level in the tank before starting to work.
Switch on the saw and hold it above ground. If you see enlarging oil marks, the chain
lubrication works well. If there are no oil marks or they are very small, use oil feed
adjustment screw (9) to make appropriate adjustments. In case the adjustment brings
no effects, clean oil outlet, upper hole of chain tension and oil way or contact service.
Make adjustments when the saw is switched off, observe precaution measures and do
not allow the guide bar to touch ground. Operate the tool safely and maintain at least
20 cm distance from ground.
Use oil feed adjustment screw (9) to set amount of supplied oil accordingly to
respective operating conditions.
MIN position - oil flow decreases.
MAX position - oil flow increases.
When cutting hard and dry wood and using whole length of the guide bar when
making a cut, set the oil feed adjustment screw (9) to the MAX position.
You can reduce amount of oil supplied by turning oil feed adjustment screw (9) to
MIN position, when cutting soft and damp wood, or when only part of the working
length of the guide bar is used.
Depending on ambient temperature and amount of oil supplied, you can operate the
chain saw for 15 to 40 minutes per one filling the oil tank (tank capacity is 250 ml).
Oil tank should be almost empty when the fuel tank is emptied. When filling the fuel
remember about filling oil tank as well.
4.4. Chain lubricants.
Durability of chain and guide bar depends heavily on quality of lubricant. Use only
lubricants, which are designed for chain saws.
Never use regenerated or previously used oil for chain lubrication.
4.5. Chain guide bar.
Guide bar (20) is exposed to heavy wear especially in tip and bottom part. To prevent
side wear due to friction, it is recommended to turn over the guide bar every time the
chain is sharpened. Clean the guide bar groove and oil holes on that occasion. Guide
bar groove is rectangular. Check the groove against wear. Put rule to guiding strip and
outer surface of a chain tooth. If you observe distance between, the groove is correct.
Otherwise the guide bar is worn out and needs to be replaced.
4.6. Chain wheel.
Driving chain wheel is subject to especially heavy wear. Replace the chain wheel
when you observe clear signs of wear of wheel teeth. Worn chain wheel additionally
reduces durability of chain. Chain wheel should be replaced by authorized service
workshop.
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