ABB Robotics IRB 1520 Product Manual page 231

Motor
Axis 2 motor
Draining gearboxes
The table specifies if the oil needs to be drained from the gearboxes.
Motor
Axis 1 motor
Axis 2 motor
Product manual - IRB 1520
3HAC043435-001 Revision: L
Note
These recommendations are valid if the method how to position the robot
described above, is followed.
© Copyright 2012-2020 ABB. All rights reserved.
4.6.1 Replacing motors on axis 1 and 2
Position
Jog the robot to the position shown in the
figure until it almost rests on the damper of
axis 3.
DANGER
Secure the weight of the lower arm properly
before releasing the brakes of motor, axis 2!
When releasing the holding brakes of the
motor, the lower arm will be movable and
may fall down!
xx0800000391
The figure shows the IRB 4600 but the prin-
ciple is the same for IRB 1520.
Action
Draining is not needed provided that the re-
commended procedure for removal is fol-
lowed.
Drain the axis 2 gearbox as described in
Changing the oil, axis-2 gearbox on page
Continues on next page
4 Repair
Continued
113.
231