GZ3500T
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 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.
Chain oil
Fuel
2.Continuously push the priming bulb until fuel comes in the bulb. Then press additional 5 times.
3. Set the switch to “I” position.
Switch
Throttle interlock
Throttle lever
4. Turn the choke knob to the closed position.
Choke | Open with | Choke |
closed | throttle lever | open |
NOTE
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.
WARNING
Do not start the engine while the chain saw hangs in one hand. The saw chain may touch your body. This
| 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. |
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7. | Allow the engine to warm up with the throttle lever | U |
| pulled slightly. | |
■ CHECKING THE OIL SUPPLY | S | |
| ||
| 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 fig- ure.
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.
Chain oil flow adjusting shaft
Rich Lean
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 at- tention 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 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.
