Ribimex Ribiland PRTRT450 Manuel D'instructions Et D'utilisation page 32

3. Turn the L needle slowly clockwise to find a position where idling speed is maximum, then set the
needle back a quarter turn (¼) counterclockwise
4. Turn the idle adjusting screw (T) counterclockwise so that the chain does not turn. If the idling
speed is too slow, turn the screw clockwise.
5. Make a test cut and adjust the H needle for best cutting power, not for maximum speed.
4.5.4- Chain brake
This machine is equipped with an automatic brake to stop saw
White
chain rotation upon occurrence of kickback during saw cutting.
cone
The brake is automatically operated by inertial force, which acts
on the weight fitted inside the front guard.
This brake can also be operated manually with the front guard
turned down to the guide bar.
When the brake operates, a white cone pops up from the base of
the brake lever.
Releasing the Brake: To release the brake, pull up the front guard toward the front handle till a
"click" sound is heard
WARNING
- When the brake operates, release the throttle lever to slow down the engine speed. Continuous
operation with the brake engaged will generate heat from the clutch and may cause trouble.
- Be sure to confirm brake operation during daily inspection:
1) Tum off the engine.
2) Holding the chainsaw horizontally, release your hand from the front
handle, hit the tip of the guide bar to a stump or a piece of wood, and
confirm brake operation. Operating level varies according to bar size.
3) In case the brake is not effective, ask your dealer for inspection and
repairs.
4) If the engine keeps rotating at high speed with the brake engaged, the clutch will overheat causing
trouble. Do NOT use the machine until it has been repaired.
5) When the brake engages during operation, immediately release the throttle lever to stop the engine.
4.5.5- Stopping the engine
1. Release the throttle lever to allow the engine to idle for a few minutes.
2. Set the switch to "STOP" or "0" position.
V. OPERATION
5.1- Intended use
- The product is intended for tree cutting and wood cutting by experienced or trained operators.
- It is forbidden to use this type chainsaws for pruning service or any other cutting operation
while on the tree. For this work, use a chainsaw specially designed for tree pruning service.
- Before first commissioning, carefully and fully read the manual. Keep it in a safe place for future
information.