8.18.3 Replacing the backrest mounting bracket for SB 53
Requirements:
• 5 mm Allen key
Dismantling the backrest unit:
• Remove the backrest cushion.
• Loosen the fixation levers (2) of the corresponding backrest tube (1), depending on the version.
There are two versions:
(2) - for the manual backrest
(3) - for the electrically adjustable backrest
• Remove the backrest tube.
• Loosen and remove the two hexagon socket head screws (4) to the sliding block (5) on the left
and right side of the chair.
Refitting the backrest unit:
• Replace the parts in the reverse order.
• To conclude, you should always carry out a trial run to test the vehicle functions.
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