To Replace The Rear Bumper; To Replace The Front Bumper 430Xh/450Xh/ 550H; To Replace The Keypad 420/430X/430Xh/ 440/450X/450Xh; To Replace The Headlights 430X/430Xh/ 450X/450Xh - Husqvarna Automower 420 Workshop Manual

4. Install the new top cover into the clips.
5. Install in opposite sequence.

6.7 To replace the rear bumper

1. Remove the body. Refer to
the body on page 20 .
2. Remove the 4 screws that hold the rear bumper to
the body.
3. Remove the rear bumper.
4. Install in opposite sequence.
Note: For 430XH/450XH/550H the 2 outer screws
have a different tightening torque. Refer to
fasteners on page 43 .
6.8 To replace the front bumper 430XH/
450XH/550H
1. Remove the body. Refer to
the body on page 20 .
2. Remove the 6 screws that hold the front bumper to
the body.
3. Remove the front bumper.
4. Install in opposite sequence.
1191 - 001 -
To remove and install
Screw
To remove and install
6.9 To replace the keypad 420/430X/430XH/
440/450X/450XH
1. Remove the body. Refer to
the body on page 20 .
2. Remove the upper chassis. Refer to
install the upper chassis on page 20 .
3. Remove the center console. Refer to
install the center console on page 22 .
4. Disconnect all cables from the HMI circuit board.
5. Push the 2 clips to release the HMI circuit board.
To replace the HMI circuit board on page
Refer to
29 .
6. Peel off the keypad from the display cover.
7. Remove the keypad and thread the cable out
through the hole.
8. Clean the chassis from glue residue.
9. Remove the protective liner from the new keypad
and press the keypad into position.
CAUTION: There must not be any loose
corners or air bubbles as this can cause dirt
and moisture to get in under the keypad.
10. Install in opposite sequence.
6.10 To replace the headlights 430X/430XH/
450X/450XH
1. Remove the body. Refer to
the body on page 20 .
2. Remove the top cover. Refer to
cover 430X/430XH/450X/450XH/520/550/550H on
page 22 .
To remove and install
To remove and
To remove and
To remove and install
To replace the top
Repair instructions - 23