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7 Adjustment features

7.1 Adjusting the backrest angle

The backrest is held firm by a metal plate on both sides. Both plates have four holes which allow
the backrest to be adjusted for various angles. You can do this by selecting various combinations
for the holes.
Requirements
Allen key 4 mm
Engineer's spanner 10 mm
Loosen the bolts (1) which hold the backrest on both
sides using the engineer's spanner and the Allen
key.
Move the backrest into the required position.
Reinsert the bolts and tighten.