52 15 062 Replacing backrest width adjustment with valve on left or right

Necessary preliminary tasks:

Unfasten plug connection (1) and disconnect.

Unlock quick connector (2) and pull off air hose from adapter.

Installation note:

Connections are coded against incorrect assembly.

Air hoses must not be kinked.

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Unclip valve (1) towards top from spring wire.

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NOTE: Removal operation is shown on left side, right analogous to that.
Air cushion (2) must be fully drained.

Detach spring (1) top and bottom.

Lever out clips.

Feed out air cushion (2) between spring wire and backrest frame.

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Installation note:

Replace faulty clips.

Insert the air cushion without kinks.

Check air cushion for damage.

NOTE: Run a function check.