52 13 015 Removing and installing/replacing controls on left/right front seat (normal/manual)

Remove cover,

refer to 52 13 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL) 

Check Backrest Clearance: 

Seat height (SHV) and backrest adjustment (LNV) must be correctly locked. To do this, actuate lever and front seat once only.

1. (A) = 0.5-4.1 mm (LNV)
2. (B) = 0.5-5.6 mm (SHV)

Fig 1: Checking Backrest Clearance

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Rework is not permitted!

IMPORTANT: Do not fold or extend cover beyond edge (function error).

Fig 2: Identifying Full Extension Of Seat

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Remove Actuating Unit: 

Remove front seat, refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .

Disconnect Bowden cable for longitudinal adjustment from controls, refer to 52 13 014 REPLACING BOWDEN CABLE FOR LONGITUDINAL ADJUSTMENT ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .

Press plate (1) forwards and slide actuating rod (2) upwards out of backrest adjustment.

Fig 3: Sliding Actuating Rod Out Of Backrest Adjustment

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Slide backrest adjustment lever.

Remove screws (1 and 2).

Slide controls downwards out of guides (3).

Fig 4: Removing Backrest Controls

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Installation: 

If the tightening torque is not reached (screw rotates), use repair screws.

Slide actuating unit (1) backwards and disconnect actuating rod (2) for seat height adjustment.

Fig 5: Removing Actuating Rod For Seat Height Adjustment

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Installation: 

Check backrest clearance.