RedMax GZ3500T Owners Manual - Page 13

Operating the Engine

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7. Operating the Engine WARNING It is very dangerous to run a chainsaw with mounts broken or any missing parts. Before starting engine, make sure that all the parts including bar and chain are installed properly. ■ STARTING THE ENGINE Normal start 1. Fill fuel and chain oil tanks respectively, and tighten the caps securely. Chain oil Fuel 2. Continuously push the priming bulb until fuel comes in the bulb. Then press additional 5 times. GZ3500T is very dangerous. 6. When engine has started, turn the choke knob to the closed position and then pull the starter again to run the engine. 7. Allow the engine to warm up with the throttle lever pulled slightly. U S ■ CHECKING THE OIL SUPPLY WARNING Make sure the bar and the chain is in place 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. 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. 3. Set the switch to "I" position. Switch Throttle interlock Throttle lever 4. Turn the choke knob to the closed position. Choke Open with closed throttle lever Choke open NOTE When restarting immediately after stopping hot engine, choke knob should be in the open position. 5. While holding the saw unit securely on the ground, pull the starter rope using short strokes vigorously. WARNING Do not start the engine while the chain saw hangs in one hand. The saw chain may touch your body. This Rich Lean Chain oil flow adjusting shaft 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. NOTE The adjustment range of the discharge is 90°. Pay attention not to turn any further, as this may damage the adjuster of the oil pump. ■ ADJUSTING THE CARBURETOR Idle adjusting screw H needle L needle The carburetor on your unit has been factory adjusted, but may require fine tuning due to a change in operating conditions. Before adjusting the carburetor, make sure that the provided air/fuel filters are clean and fresh and the fuel properly mixed. When adjusting, take the following steps: NOTE Be sure to adjust the carburetor with the bar chain attached. US-11

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GZ3500T
US-11
U
S
Chain oil flow adjusting
shaft
Rich
Lean
Idle adjusting
screw
H needle
L needle
Chain oil
Throttle
interlock
Throttle lever
Switch
Fuel
Chain oil
Choke
closed
Open with
throttle lever
Choke
open
It is very dangerous to run a chainsaw with mounts broken
or any missing parts.
Before starting engine, make sure that all the parts includ-
ing bar and chain are installed properly.
■
STARTING THE ENGINE
Normal start
1.
Fill fuel and chain oil tanks respectively, and tighten
the caps securely.
2.
Continuously push the priming bulb until fuel comes
in the bulb. Then press additional 5 times.
3.
Set the switch to “I” position.
4.
Turn the choke knob to the closed position.
When restarting immediately after stopping hot en-
gine, choke knob should be in the open position.
5.
While holding the saw unit securely on the ground,
pull the starter rope using short strokes vigorously.
Do not start the engine while the chain saw hangs in
one hand. The saw chain may touch your body. This
WARNING
NOTE
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.
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.
The adjustment range of the discharge is 90°. Pay at-
tention not to turn any further, as this may damage the
adjuster of the oil pump.
■
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:
Be sure to adjust the carburetor with the bar chain at-
tached.
WARNING
NOTE
NOTE
■
CHECKING THE OIL SUPPLY
Make sure the bar and the chain is in place 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 fig-
ure.
is very dangerous.
6.
When engine has started, turn the choke knob to
the closed position and then pull the starter again to
run the engine.
7.
Allow the engine to warm up with the throttle lever
pulled slightly.
WARNING
7. Operating the Engine