Küschall K-SERIES, Руководство по обслуживанию

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Instructions
6.3.5 Replacing the backrest tube
Allen key (3 mm, 4 mm) / Socket spanner (8 mm, 10 mm)
■□□
1. Remove the backrest cover.
2. Slide the backrest bands upwards or downwards to gain access to
the screws
A
. Remove the screws and nuts on both sides.
3. Remove the push handles or the telescopic tubes and the upper
hook and loop bands.
4. Remove the screws B on the backrest joint.
5. Remove the lower hook and loop bands and the sleeve D with the
adjustment screw
E
from the backrest tube
C
and install both to
the new backrest tube.
6. Install the backrest tube to the backrest joint with the screws
B
.
Here, first install the lower screw followed by the upper one.
7. Install the upper hook and loop bands and the push handles
respectively the telescopic tubes again using screws and nuts
A .
8. Carry out the same setting on both sides.
9. Repositionl the backrest cover.
A
= 7 Nm
B = 7 Nm
Check:
Check the settings of the adjustment screws E on both sides. The screw
head must only lightly touch the seat module when the backrest is
in upright position. If necessary, readjust the length by releasing the
counter nut and tightening or loosening the adjustment screw. Then
retighten the counter nut
F .
IMPORTANT!
Incorrectly adjusted adjustment screws result in damage to the backrest
joint mechanism.
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