GB-9
G4501/G5201/G5201P
G
B
8. Operating the Engine
(“P”type)
The decompression valve automatically returns to the
original position.
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 check-
ing 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.
Chain oil
The chain oil flow can be changed by inserting a screwdriver
in the hole on bottom of the clutch side. Adjust according
to your work conditions.
MAX
MIN
Chain oil flow
adjusting
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 operating condi-
tions.
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.
(“P”type)
Push in the decompression valve to be effective.
Switch
Decompression valve (“P”type)
Push in the valve: Decom-
pression unit is effective.
Original position: Not
effective (during operation).
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.
(“P”type)
At once the first engine ignition, the decompression valve
automatically returns to the original position.
Push in the decompression valve again before pulling
the starter rope.
6. Allow the engine to warm up with the throttle lever pulled
slightly.
(1) Chain oil
(2) Fuel
01-G4501･5201･5201P_GB_306＿四.indd 9
13.6.20 11:29:39 AM
