ABB IRB 6700 Series Product Manual page 480

4 Repair
4.6.3 Replacing the rear bearings on the balancing device
Continued
Required tools and equipment
Equipment
Distance tool
Lock screw, M16x120
Lifting shackle
Lifting accessory (chain)
Threaded bar, M16x340
Dismantle and mounting tool
Standard toolkit
Removing the bearing, cradle
Use these procedures to remove the bearing in the cradle.
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).
1
2
Continues on next page
480
Action
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).
Jog axis-2 to:
• -30° or +30°
© Copyright 2013 - 2018 ABB. All rights reserved.
Article number Note
3HAC030662-001 Only used to keep the balancing device
in a locked position, after the balancing
device springs has been unloaded with
the help of the robot itself.
Never use this tool to unload or restore
a balancing device!
- Used to secure lower arm.
- SA-10-8-NA1
3HAC15556-1 Lifting instruction 3HAC15880-2 en-
closed.
-
3HAC028920-001 Used for removing and fitting shaft and
bearings.
- Content is defined in section
toolkit on page
Note
This is done in order to compress the bal-
ancing device springs inside the balancing
device before fitting the Distance tool.
DANGER
Standard
829.
Product manual - IRB 6700
3HAC044266-001 Revision: N