Preparation Before Use
6
Installation of the Shoulder Unit.
1. Install the Shoulder Unit with the
back-rest at the upright
position.
2. Insert the Shoulder Unit convex and
the air joint in the hole 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. Install the Arm Unit with the back-rest
at the upright position.
2. Insert the Arm Unit convex into the
hole of arm-rest.
3. Press down the Arm
Unit a click sound
can be heard.
4. When removing the Arm Unit, insert the hexagonal
wrench in the hole.
Pull it upward while
pressing the button.
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
Convex
Air joint
Mounting screw
Hexagonal
wrench
* In tightening the mounting screw, use fingers
first until it reaches the innermost. When you
find it difficult to tighten it, try to press the
Shoulder Unit with hand. With the screw at
the innermost, fix it with the hexagonal wrench.
CAUTION
Request
Cap
CAUTION
Request
Arm Unit
Arm
Unit
Holes
Locking mechanism
enlarged
* Arm Units are
identical at
right and left.
Convex
Hole*
Hexagonal wrench
* The hole of the Arm Unit
at the opposite side is on
the back-rest.
Button
Back-rest side
