G455AVS / G500AVS
G
B
GB-9
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.
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.
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
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.
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.
2. Set the switch to “I” position.
3. Pull out the choke knob to the closed position.
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.
5. Operating the Engine
(1) Chain oil
(2) Fuel
Chain oil
Chain oil flow
adjusting
(1) L needle
(2) H needle
(3) Idle adjusting screw
MAX
MIN
Switch
Choke knob
