Raider RD-GCS20 Manuel D'instructions page 24

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Clean oil holes and groove in the guide bar (20).
Lubricate tip chain wheel of the guide bar (22) through the hole located on the guide bar tip.
Check condition of the chain (21).
5.5. Chain sharpening.
Pay attention to cutting tools. Cutting tools should be sharp and clean, it allows efficient and safe operation. Operating the
saw with blunt chain causes quick wear of the chain, guide bar and driving chain wheel, and breaking the chain in the worst
case. That is why it is important to sharpen the chain on time.
Chain sharpening is a complex operation. Sharpening the chain by yourself requires use of special tools and skills. It is
recommended to entrust sharpening the chain to qualified persons.
5.6. Fuel filter.
Unscrew the fuel filler plug (15).
Use wire hook to remove the fuel filter through the fuel filler hole.
Disassemble the fuel filter and wash it in petrol or replace with a new one.
Install the fuel filter in the tank.
Tighten the fuel filler plug (15).
When the filter has been dismantled use the wire hook to hold up the end of the suction line.
Be careful during fuel filter installation to prevent contamination from getting into the suction line.
5.7. Oil filter.
Unscrew oil filler plug (18).
Use wire hook to remove the oil filter through the oil filler hole.
Wash the oil filter in petrol or replace with a new one.
Remove dirt from the tank.
Install the oil filter in the tank.
Tighten oil filler plug (18).
When putting the oil filter into the tank make sure it reaches front right corner.
5.8. Ignition plug.
To maintain reliable operation of the device, check condition of the ignition plug on a regular basis.
Remove air filter lid (4).
Remove air filter.
Remove wire from the ignition plug.
Put on plug key (included) and unscrew the ignition plug.
Clean and adjust spacing between contacts (0.65 mm) (replace ignition plug when necessary).
5.9. Other instructions.
Ensure there are no fuel leaks, loosened joints or damages of main parts, especially main handle joints and guide bar
fixing. When you find any damage, make sure it is repaired before next use of the chain saw.
All faults should be repaired by service workshop authorized by the RAIDER.
Read the instructions' manual before using the machine.
On all jobs performed with the saw you must always wear safety goggles to guard your eyes from flying
materials/objects and a sound-proof helmet, earmuffs or the like to protect your hearing. Wear a safety helmet if there is a
risk of objects falling on you from above.