ABB OmniCore IRB 6740 Product Manual page 188

5 Repair
5.3.1 Replacing the axis-1 cassette sealing
Continued
Removing the cassette sealing
Use these procedures to remove the cassette sealing.
Preparations before removing the cassette sealing
1
2
3
4
5
Unloading the balancing device springs and locking position with the Hydraulic press equipment, balancing
device
Use this procedure to unload and lock the balancing device in unloaded position
with the Hydraulic press equipment, balancing device (3HAC074411-001).
1
Continues on next page
188
Action
Jog the robot to synchronization position.
Fit a lock screw through the hole for the lock
screw in the frame and into the lower arm to se-
cure the weight of the lower and upper arms.
CAUTION
Do not tighten the lock screw, since too hard
tightening could damage the gear.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the safeguarded
space.
Remove any installed equipment on or close to
the balancing device.
Drain 500 ml of oil from the axis-1 gearbox, to
lower the oil level beneath the cassette sealing.
Action
DANGER
Make sure that all supplies for electrical
power, hydraulic pressure, and air pressure
are turned off.
© Copyright 2023 ABB. All rights reserved.
Note
Lock screw, M16x120
xx2200001332
See Changing the oil in axis-1
gearbox on page
Note
Product manual - IRB 6740
3HAC085701-001 Revision: A
137.