RedMax G621AVS - Manual (Page 11)

7. Operation
■ CHECKING OIL SUPPLY
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. (F11)
(1) Chain oil
The oil flow can be changed by turning the adjuster
knob on the top of the cylinder cover. Adjustment
according to your work conditions. (F12)
(1) Adjuster knob
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 CARBURETOR (F13)
The carburetor on your unit has been factory
adjusted, but may require fine tuning due to
change in operating conditions.
Before adjusting the carburetor, make sure that
provided are clean air/fuel filters and fresh,
properly mixed fuel.
When adjusting, take the following steps:
Be sure to adjust the carburetor with the bar chain
attached.
1. H and L needles are restricted within the number
of turn as shown below.
H needle –1/4
L needle –1/4
2. Start engine and allow it to warm up in low
speed for a few minutes.
3. Turn idle adjusting screw (T) counter-clockwise
NOTE
NOTE
WARNING
F13
F11
F12
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