To Mount Screws In Plastic - Husqvarna Automower 420 Workshop Manual

8. Disconnect the cables to the cable plate.
9. Remove the charging tower from the baseplate.
10. Install in opposite sequence.
6.22.2 To replace the circuit board in the charging
station
1. Remove the charging tower and charging station
To remove and install the charging
cap. Refer to
station and the charging station cap on page 38 .
2. Disconnect the cables from the circuit board.
3. Push the 2 clips to remove the circuit board.
4. Attach the new circuit board.
Note: Make sure that the cables to the power supply
are in the cable holders in the behind the circuit
board.
5. Reconnect the cables to the new circuit board.
6. Install in opposite sequence.
1191 - 001 -
6.22.3 To replace the contact plates in the charging
station
1. Remove the charging tower and charging station
To remove and install the charging
cap. Refer to
station and the charging station cap on page 38 .
2. Remove the 2 screws and washers for the contact
plates.
3. Remove the contact plates (A) and the springs (B).
4. Remove the grommet and thread the cables through
the hole.
5. Install in opposite sequence.

6.23 To mount screws in plastic

CAUTION: If the screws are mounted
incorrectly, there is a risk of damaging the
threads in the plastic and thereby shortening the
service life of the plastic part. If threads are
destroyed, the part must be replaced or thread
plugs can be inserted. Refer to
plugs on page 40 .
CAUTION: When assembling parts in plastic,
always tighten the screws crosswise. This is to
avoid tension in the plastic, causing malfunction
or not attaining a satisfactory seal.
A
B
To mount thread
Repair instructions - 39