Quickie
®
NITRUM
249817 Rev. A
27
IX. DEALER SERVICE AND ADJUSTMENT
M. BACKREST
1. Angle-adjustable back
Remove allen screws (A) on both backrest tubes. Adjust angle within the hole-pattern
(3° increment per hole), insert allen screws (A) on both sides and tighten to 5 Nm (Fig. 58).
2. Folding backrest
The backrest is foldable, two versions of the release mechanism are available.
a.
Pushbar - release: push the release bar upwards, hold the position and fold the backrest
forward.
b. Twist-lock release: rotate the handle on the crossbar forward, hold the position and fold
backrest forward. The handle can only be rotated in the forward direction.
3. Double-locking option
This option is available on the backrest- if the wheelchair is equipped with double-locking option, the
backrest will lock in the fl at-folded position.
a. To unfold the backrest, either push the pushbar upwards or rotate the twist-lock handle
forward.
b. The locking position (angle) of the folded backrest can be adjusted: remove allen-screw (B) on
both sides (Fig. 59), set the desired locking angle by chosing the corresponding hole within
the hole-pattern (C) (Fig. 60) and tighten again allen screws (B) on both sides to 5 Nm.
N. FREESTYLE BACK MAINTENANCE AND
ADJUSTMENT
1. When performing regular maintenance, check the torque on the Freestyle
back.
a. Using a torque wrench check and tighten if needed the hardware (E) (F) to 200 in-lbs to make
sure the back shell is locked into position.
2. Height adjustment
a. Remove the cover and Back pad to gain access to the adjustment hardware.
b. Using a 4mm hex key, loosen the 4 screws (G) and move the back shell up or down to desired
height. (Fig. 62) Tighten the screws to lock in the adjustment.
c. Attach again the back pad and cover.
3. Fine depth and height adjustment
The Freestyle back adjustment system provides a maximum of 1 inch of fi ne depth adjustment
combined with a maximum of 1 inch of fi ne height adjustment.
a. Using an 8mm hex key, loosen the two screws (F) and rotate the backshell to the desired
position.
b. Tighten the screws (F) to 200 in-lbs to lock in the adjustment.
4. Angle adjustment
The Freestyle back adjustment system allows the ability to adjust the backrest angle to achieve user’s
comfort and position.
a. Using an 8mm hex key, loosen the screw (E) and rotate the backrest to the desired position.
b. Tighten the screw (E) to 200 in-lbs to lock in the adjustment.
58
62
61
63
59
60
61
62
63
59
58
60
Summary of Contents for Quickie Nitrum
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