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(3) J3 and J4 axis origin setting
Always perform origin setting of the J3 axis and the J4 axis simultaneously.If the wiring and piping is passed in the
shaft, remove the No.2 arm cover U and operate the origin setting.
Note) If origin setting is carried out with the No.2 arm cover U installed, the origin may not be set up correctly
because the wiring and the piping interfere with the No.2 arm cover U.
1) If the wiring and piping is passed in the shaft, removes the No.2 arm cover U referring the
Installing/removing the
<MENU>
1.FILE/EDIT
3.PARAM.
5.SET/INIT.
123
<ORIGIN/BRAKE>
1.ORIGIN
123
<BRAKE>
J1:(
0
)J2:(
0
J4:(
0
)J5:(
0
J7:(
0
)J8:(
0
REL.
123
<BRAKE>
J1:(
0
)J2:(
0
J4:(
0
)J5:(
0
J7:(
0
)J8:(
0
REL.
123
J3 axis (Shaft)
Ｊ3軸（シャフト）
cover". It is not necessary to remove the cover if wiring and piping is not passed.
2.RUN
4.ORIGIN/BRK
6.ENHANCED
CLOSE
2.BRAKE
CLOSE
)J3:(
1
)
)J6:(
0
)
)
CLOSE
)J3:(
1
)
)J6:(
0
)
)
CLOSE
No.2 arm cover
2) Press the [4] key on the menu screen, and dis -
play the Origin/Break selection screen.
3) Press the [2] key, and display the Break release
selection screen.
4) Release the brake of the J3 axis.
Input "1" into the J3 axis. Set "0" to other
axes.
SPACE
5) Confirm the axis for which the brakes are to be
released.
6) Pressing the [F1] key is kept with the enabling
switch of T/B pressed down. The brake is
released while pressing the key.
Note) The brake of the axis shown below
7) With both hands, slowly move the J3 axis in +
(plus) direction , and contact the axis against
Ｊ3
the mechanical stopper.
（+）
Match the alignment mark of J4 axis in this con -
dition next.
Go to the following procedure continuously.
5 Maintenance and Inspection
repeats release/lock at the interval in
each about 200ms for dropping the J3
axis slowly.
Page 67, "5.3.2
5-99
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