4-6
INSTALLATION
HOIST/LOWER
UNIT ASSEMBLY
1. JOINT PIPE LENGTH
Calculate necessary length of joint pipe from the length of Trunk pipe (Lt) and cut off the
space portion if the shorter length than the standard 1,240mm is required.
TRUNK PIPE LENGTH (Lt)+ 60mm
2. JOINT PIPE ADJUSTMENT
If the Trunk pipe length, 1,180mm is used, no adjustment is necessary.
①
Cut the Joint Pipe to the required length,
Trunk Pipe Length (Lt)+60mm.
②
Smooth the cut piece and taper the edge
(1mm).
③
Bore 4 holes in joint pipe:
- every 90 degrees
- 5mm from the cut end of the pipe
- bolt circle size,
φ
3.4mm
- set a tapping screw (M4) on each hole
When the space above
the Joint Pipe is equal to
this, the Joint Pipe may
be used without being
cut.
M4
90 °
5 mm
Lt+
40
Yt
※
1600
Lt
(min:430)
Yt
Mark to the place of Lt + 40.
This mark is united and bound tight at
the upper end of Joint Arm.