ABB IRB 8700 Series Product Manual page 682

4 Repair
4.8.3 Replacing the axis-2 gearbox
Continued
2
3
The three areas of screws that secure axis-2 gearbox to lower arm
The axis-2 gearbox is attached to the lower arm with attachment screws arranged
in three areas. Use this figure to understand the position of the three areas, when
performing this procedure.
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The order when removing the attachment screws: area 1, then area 2, and last
area 3.
The order when attaching the axis-2 gearbox to the lower arm is reversed: area 3,
then area 2, and last area 1.
Robot position when removing screws in area 1
With the robot in this position it is possible to reach the screws in area 1 of screws
that secure the axis-2 gearbox to the lower arm.
1
2
Continues on next page
682
Action
Remove any tool or other equipment fitted
on the turning disc.
Drain the oil.
2 2
3 3
1 1
Action
Jog the robot to the specified position:
• Axis 1: no significance as long as
the robot is secured to the founda-
tion.
• Axis 2: 0°
• Axis 3: +66°
• Axis 4: 0°
• Axis 5: 0°
• Axis 6: No significance.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
© Copyright 2015-2018 ABB. All rights reserved.
Note
See Draining the axis-2 and axis-3 gear-
boxes on page 148.
Note
Product manual - IRB 8700
3HAC052853-001 Revision: F