NoteAction
Remove any tool or other equipment fitted
on the turning disc.
2
See Draining the axis-2 and axis-3 gear-
boxes on page 148.
Begin draining the oil.3
The three areas of screws that secure axis-3 gearbox to parallel arm
The axis-3 gearbox is attached to the parallel arm with attachment screws arranged
in three areas. Use this figure to understand the position of the three areas, when
performing this procedure.
xx1500002974
The order when removing the attachment screws that secure the axis-3 gearbox
to the parallel arm are removed is: area 1, area 2, and then area 3.
The order when attaching the axis-3 gearbox to the parallel arm is reversed: area
3, area 2, and then area 1.
Robot position when removing axis-3 from parallel arm - screws in area 1
With the robot in this position it is possible to reach the screws in the first of the
three areas of screws that secure the axis-3 gearbox to the parallel arm.
NoteAction
Jog the robot to the specified position:
• Axis 1: no significance as long as
the robot is secured to the founda-
tion.
• Axis 2: +48°
• Axis 3: 0°
• Axis 4: 0°
• Axis 5: 0°
• Axis 6: No significance.
1
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
2
Continues on next page
Product manual - IRB 8700 721
3HAC052853-001 Revision: F
© Copyright 2015-2018 ABB. All rights reserved.
4 Repair
4.8.4 Replacing the axis-3 gearbox
Continued
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