G455AVS / G500AVS
5. Operating the Engine
WARNING
•It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts.
Before starting engine, make sure that all the parts including bar and chain are installed properly.
■STARTING THE ENGINE
1.Fill fuel and chain oil tanks respectively, and tighten the caps securely.
(1)Chain oil
(2)Fuel
WARNING
•Keep clear of the saw chain as it will start rotating upon starting of engine.
■CHECKING THE OIL SUPPLY
WARNING
•Make sure to set up the bar and the chain when checking the oil supply.
If not, the rotating parts may be exposed. It is very dangerous.
After starting the engine, run the chain at medium speed and see if chain oil is scattered off as shown in the figure.
G |
B |
2. Set the switch to “I” position. | Chain oil |
|
Switch
3. Pull out the choke knob to the closed position.
Choke knob
NOTE
When restarting immediately after stopping the engine, leave the choke knob at the open position.
4.While holding the saw unit securely on the ground, pull the starter rope vigorously.
WARNING
•Do not start the engine while the chain saw hangs in one hand. The saw chain may touch your body. This in very dangerous.
5.When engine has ignited first, pull the throttle lever to return the choke knob to the open position and then pull the starter again to start the engine.
6.Allow the engine to warm up with the throttle lever pulled slightly.
The chain oil flow can be changed by inserting a screw- driver in the hole on bottom of the clutch side. Adjust according to your work conditions.
Chain oil flow adjusting
MAX | MIN |
NOTE
The oil tank should become nearly empty by the time fuel is used up. Be sure to refill the oil tank every time when refueling the saw.
■ADJUSTING THE CARBURETOR
(1)L needle
(2)H needle
(3)Idle adjusting screw
The carburetor on your unit has been factory adjusted, but may require fine tuning due to a change in operat- ing conditions.
Before adjusting the carburetor, make sure that the pro- vided air/fuel filters are clean and fresh and the fuel prop- erly mixed.
When adjusting, take the following steps:
NOTE
Be sure to adjust the carburetor with the bar chain at- tached.
