Assembly; Operation - Husqvarna 420 EL Bedienungsanweisung

To assemble the guide bar and saw
chain (420 EL)
WARNING:
before you assemble or do maintenance on
the product.
1. Disengage the chain brake. (Fig. 35)
2. Loosen the knob and remove the drive sprocket
cover (chain brake) and the transportation ring (A).
(Fig. 36)
3. Put the guide bar on top of the bar bolt. Steer the
guide bar to its most rear position. Lift the saw chain
above the drive sprocket and engage it in the groove
on the guide bar. Start on the top edge of the guide
bar.
Introduction
WARNING:
safety chapter before you use the product.
To do a function check before you use
the product
1. Do a check of the chain brake (A) to make sure that
it operates correctly and that it is not damaged.
2. Do a check of the rear right hand guard (B) to make
sure that it is not damaged.
3. Do a check of the power trigger and the power
trigger lockout (C) to make sure that they operate
correctly and that they are not damaged.
4. Do a check of the keypad (D) to make sure that it
operates correctly.
5. Make sure that there is no oil on the handles (E).
6. Do a check to make sure that all parts are correctly
attached and not damaged or missing.
7. Do a check of the chain catcher (F) to make sure
that it is attached correctly.
8. Do a check of the chain tension (G).
9. Charge the battery (H) and make sure that it is
correctly attached to the product.
10. Make sure that the saw chain stops when you
release the power trigger. (Fig. 38)
1782 - 001 - 03.02.2022

Assembly

Always remove the battery

Operation

Read and understand the
4. Make sure that the edges of the cutting links are
turned forward on the top edge of the guide bar. (Fig.
37)
5. Make sure that the edges of the cutting links face
forward on the top edge of the guide bar.
6. Assemble the drive sprocket cover and steer the
chain adjuster pin to the hole in the guide bar.
7. Make sure that the drive links of the saw chain fit
correctly on the drive sprocket.
8. Make sure that the saw chain is correctly engaged in
the groove in the guide bar.
9. Tighten the saw chain. See
the saw chain on page 98 for instructions.
To use the correct chain oil
WARNING:
which can cause injury to you and the
environment. Waste oil also causes damage
to the oil pump, the guide bar and the saw
chain.
WARNING:
if the lubrication of the cutting equipment is
not sufficient. Risk of serious injury or death
to the operator.
WARNING:
for this function to operate correctly. Speak
to your servicing dealer when you select
your chain oil.
• Use Husqvarna chain oil for maximum saw chain life
and to prevent negative effects on the environment.
If Husqvarna chain oil is not available, we
recommend you to use a standard chain oil.
• Use a chain oil with good adherence to the saw
chain.
• Use a chain oil with correct viscosity range that
agrees with the air temperature.
CAUTION:
0°C/32°F some chain oils become too
thick, which can cause damage to the oil
pump components.
• Use the recommended cutting equipment. Refer to
Accessories on page 101 .
To adjust the tension of
Do not use waste oil,
The saw chain can break
Use the correct chain oil
In temperatures below
91