3 Maintenance
3.3.7. Inspection, balancing device
3HAC022033-001 Revision: K170
© Copyright 2004-2011 ABB. All rights reserved.
Check for dissonance
The check points are shown in the figure Inspection points, balancing device on page 169.
Maintenance kit,
bearings and seals
3HAC14962-1 Includes:
• kit with bearings, o-
rings and seals only
• instructions for main-
tenance.
Upgrade kit 3HAC14965-1 Includes
• kit with piston rod,
support shaft etc.
• instruction for
conversion,
3HAC15864-2.
Securing screw Securing screw in the shaft.
M16 x 180
Locking liquid must be used
when fitting the screw
(Loctite 243)!
Toolkit for
maintenance
3HAC15943-1
Puller for
separator
4552-2 (Bahco) Used for removing the
spherical roller bearings.
Separator 4551-C (Bahco) Used for removing the
spherical roller bearings.
Standard toolkit 3HAC15571-1 Content is defined in section
Standard toolkit on page 427.
Other tools and
procedures may
be required. See
references to
these procedures
in the step-by-step
instructions below.
These procedures include
references to the tools
required.
Equipment, etc. Spare part no. Art. no. Note
Check for dissonance
from...
If dissonance is detected...
1. • bearing at the link
ear
• bearings at the
balancing devices
attachments.
... perform maintenance or upgrade according to given
instructions in Maintenance kit, bearings and seals /
Upgrade kit. The replacement of the bearing at the ear is
also detailed in section Replacement of spherical roller
bearing, balancing device on page 316.
Art. no. for the kit and the documentation are specified in
section Required equipment on page 169.
To decide whether to perform maintenance or upgrade,
see section Action at detected faults on page 168.
2. • balancing device (a
tapping sound,
caused by the
springs inside the
cylinder).
...replace the balancing device or consult ABB Robotics.
How to replace the device is detailed in section
Replacement of balancing device on page 307. This
section also specifies the spare part number!
Continued
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