Remove/install clock spring contact

AR46.10-P-0200Q

Remove/install clock spring contact

21.2.12

 

Remove/Install

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

 Danger!

Risk of injury. Injuries may result when performing testing or repair work on airbag or emergency tensioning retractor units.

Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply.

AS91.00-Z-0001-01A



Notes on battery

All models

AH54.10-P-0001-01A



Instructions for performing repair, body work and welding on vehicles with airbags and ETR units

Model 169, 171, 199, 203, 209, 211, 215, 219, 220, 230, 240

Model 463.243/244/245/246/247/248/249/

250/254/270/271/309/322/323/332/333

AH91.00-P-0002-01M

1

Remove steering wheel

 Front wheels in straight-ahead position.

AR46.10-P-0100P

2

Loosen bolt (2) of steering column module (N80)

3

Remove steering column module (N80) complete

 Secure clock spring contact (A45) against twisting using pin (5) in order to prevent damage.

The pin (5) is included in the clock spring contact (A45) repair kit.

 Detach steering column module (N80) from steering column (arrow).

4

Remove clock spring contact (A45).

 Only unscrew the bolts (4) until the clock spring contact (A45) can be removed.

 Carefully lever off clock spring contact (A45) all the way around the sides.



Check

5

Check the position of the steering angle sensor and the clock spring contact (A45)

 The position of the steering angle sensor and the clock spring contact (A45) must not be changed.

 If the clock spring contact (A45) has been twisted, the center position must be adjusted:



Set the center position of the clock spring contact (A45)

AR46.10-P-0200-01Q

6

Check clock spring contact (A45) for damage

 Carry out visual inspection, replace clock spring contact (A45) if necessary.

7

Install in the reverse order

8

Perform function check