52 17 035 Removing and installing/replacing gearing for head restraint adjustment

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Necessary preliminary tasks:

Remove SHAFT FOR BACKREST HEAD ADJUSTMENT

Release screws (4) on left and right.

Tightening torque 52 10 10AZ .

Remove retainer (1) on left and right.

Remove gearing (2) on left and right straight towards front.

Installation:

To ensure identical adjustment of gearings (2), carry out following work step on both gearings:

Twist out component (3) until threaded rods (5) are of equal length.

Fig 1: Identifying Gearing, Retainers, Twisted Components, Threaded Rods And Screw
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