Follow the order of the separate procedures according to the order they are
presented.
CAUTION
When performing these procedures, the cable harness will still be fitted or partly
fitted to the robot. Use extreme caution not to cause any damage to the cable
harness!
Preparations before replacing the axis-2 gearbox
NoteAction
Decide which calibration routine to use,
and take actions accordingly prior to begin-
ning the repair procedure.
1
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
2
See Draining the axis-2 gearbox on
page 166.
Begin draining the gearbox.3
Unloading or locking the balancing device springs
Use this procedure to unload the balancing device with the help of the robot, and
lock the balancing device springs in a compressed position, using the Distance
tool (3HAC030662-001).
NoteAction
DANGER
Do not use the Distance tool (3HAC030662-
001) to unload or restore the pressure of
the balancing device springs! This tool is
only used to lock the spring unit in a com-
pressed position, after axis-2 has been
jogged to -30° or +30°. Fitting and removal
of the tool shall only be done with axis-2 in
this position!
To unload or restore a new balancing
device or if the spring unit of the balancing
device cannot be compressed by jogging
the robot, only use the Hydraulic press tool,
balancing device (3HAC020902-001).
1
This is done in order to compress the bal-
ancing device springs inside the balancing
device before fitting the Distance tool.
Jog axis-2 to:
• -30° or +30°
2
Continues on next page
Product manual - IRB 6700 705
3HAC044266-001 Revision: N
© Copyright 2013 - 2018 ABB. All rights reserved.
4 Repair
4.8.4 Replacing the axis-2 gearbox (IRB 6700 - 300/2.70, IRB 6700 - 245/3.00)
Continued
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