Preparation before use
6
Installation of the shoulder unit
1. Install the shoulder unit while the back
rest is raised.
2. Insert the protrusions and the air
joint in the holes on the back rest.
3. Fix securely at two places with a pair
of mounting screws.
4. It is complete once the cap has been
installed.
Install in the same way also at the opposite side.
When disassembling, proceed referring to the
installation method.
Make sure to install the shoulder unit securely. Otherwise,
it could cause air leakage or injury or mechanical trouble
if the unit has dropped off accidentally.
Installation of the arm unit
1. Set the back rest at the
upright position when
installing the arm unit.
2. Insert the air joint of
arm unit in the hole
of arm rest.
3. Fix securely at two
places with a pair of
mounting screws.
4. Finish up the work by
installing the blinding
pieces.
Install in the same way also at the opposite side.
When disassembling, proceed referring to the
installation method.
Make sure to install the arm unit securely. Otherwise, it
could cause air leakage or injury or mechanical trouble if
the unit has dropped off accidentally.
Shoulder unit
Holes
Protrusion
Air joint
Protrusion
Backward
Mounting screw
Phillips wrench
* Tentatively tighten the mounting
screws by fingers at first and then
use the Phillips wrench.
CAUTION
Request
* Set the part with the
protrusion at the backward.
Cap
CAUTION
Request
Arm unit
Mounting screw
Phillips wrench
Hole
Air join
Blinding
iece
* Arm units are identical
at right and left.
* Tentatively tighten the
mounting screws by fingers
at first and then use the
Phillips wrench.