922519 Removing and installing wiper arm

WM 922519 Removing and installing wiper arm

Tools





Technical values





Removing wiper arm

WARNING

Electrically moved components

- Danger of limbs being trapped or severed

-> Switch off electric power to drive motor.
-> Make sure it does not switch on again.
-> Check that there is no electric charge.

Information

To counteract the deformation of the wiper rubber that occurs when it is at rest, the wiper arm is alternately moved to two different parked positions. However, the wiper arm may only be removed and installed in the lower parked position. Before removing or installing the wiper arm, operate the wiper once and watch whether the wiper is moved up again slightly into the upper parked position after it has reached the lower parked position. In this case, operate the wiper again so that the wiper arm is moved into the lower parked position.

Information

If the bonnet is in the service position, there is a risk that the wiper arm will collide on the passenger's side. Close the bonnet, therefore, before removing and installing the wiper arm.

1. Switch off ignition.
2. Pull off remote control.
3. Open the front lid.
4. Remove cap -1-.





Unscrewing wiper arm

5. Screw off fastening nut -2-.
6. Use the pole terminal puller 60 x 40 Nr.99 to pull the wiper arm -3- off the wiper linkage -4-.





Pulling off wiper arm

7. Remove the wiper arm.

Installing wiper arm

Information

To counteract the deformation of the wiper rubber that occurs when it is at rest, the wiper arm is alternately moved to two different parked positions. However, the wiper arm may only be removed and installed in the lower parked position. Before removing or installing the wiper arm, operate the wiper once and watch whether the wiper is moved up again slightly into the upper parked position after it has reached the lower parked position. In this case, operate the wiper again so that the wiper arm is moved into the lower parked position.

Information

If the bonnet is in the service position, there is a risk that the wiper arm will collide on the passenger's side. Close the bonnet, therefore, before removing and installing the wiper arm.

1. Fit the wiper arm on the wiper linkage.
2. Adjust the dimension -a- for the wiper arm on the driver's side -1-.
3. Adjust the dimension -b- for the wiper arm on the passenger's side -2-.





Aligning wiper arm





4. Hold the wiper arm by pressing lightly on the cone and fit the fastening nut -2-.





Securing wiper arm

5. Screw on and tighten the fastening nut. => Tightening torque: 32 Nm (24 ftlb.)
6. Press on the cap -1- until it clicks into place.
7. Actuate the wiper motor until it comes to a stop and then check the position of the wiper arm again.