How to exchange the front linkarm at Dahlia 45° (gas spring)
Rea
®
Dahlia 45°
Invacare France Operations SAS
Route de St Roch
37230 Fondettes, France
1587799-B 2019-09-09
1/2
Previously, leave the chair on its wheels and tilt the chair to
unloaded position (about 5°)
1.
Remove the upper safety pin
A
and locking washer
B
of
the gas spring.
Tooling:
Use a nipper
4.
Remove, the 4 linkarm screws
B
. If needed, heat the nuts
A
with a hot air gun before untightening the linkarm screws
B
. While heating the nut, place a sight counterclockwise
torque to the screw
B
and stop warming immediately when
the screw starts to turn.
Tooling:
Use a hot air gun and Allen key of 6 mm
2.
Tilt the chair to a seat angle of 30° to 45°
3.
Remove the upper safety pin
A
and locking washer
B
of
the gas spring.
Tooling:
Use a nipper
5.
Scrap the previous plastic bushings and screws
6.
Use new screws and plastic bushings when assembling the
new linkarm.
Tighten the screws with a torque wrench to 17 Nm.
Tooling:
Use a torque wrench
7.
Reverse the procedure to reassemble the gas spring. Check
the upper and lower safety pins
A
and locking washers
B
.
If damage, then replace them by new ones.
Tooling:
Use a nipper
