ABB IRB 7600 Series Product Manual page 162

3 Maintenance
3.3.8 Inspecting the balancing device
Continued
Check the o-rings in the front ear of the balancing device for leaks, as shown and
detailed below.
xx0300000284
A
B
C
D
E
F
1
2
3
Continues on next page
162
Shaft
O-ring
Sealing spacer
Sealing ring in sealing spacer
Correct way out for excessive grease from inside the front ear
Incorrect leakage from the front ear
Action
Clean the area at the front ear from old grease.
Run the robot for some minutes, in order to
move the balancing device piston.
Check the o-rings at the front ear for leakage.
Replace the o-rings, if any leaks are detected.
Excessive grease from between the shaft and
the sealing ring is normal and is not considered
as a leak!
© Copyright 2007 - 2018 ABB. All rights reserved.
Note
The o-rings are included in the Main-
tenance kit, bearings and seals,
already assembled with sealing
spacers and sealing rings.
Art. no. for the kit is specified in
quired equipment on page
The replacement of the complete
bearing is also detailed in section
Replacement of spherical roller bear-
ing, balancing device on page
Incorrect leakage is shown in the
previous figure.
Product manual - IRB 7600
3HAC022033-001 Revision: V
Re-
159.
293.