ABB IRB 6640 Foundry Prime Product Manual page 148

3 Maintenance
3.3.7 Inspecting the balancing device
Continued
Check the o-rings and sealings in the front ear of the balancing device for leaks.
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148
Shaft
Sealing ring (radial (2 pcs)
O-ring
Sealing spacer
Action
Clean the area at the front ear from contamina-
tion.
Run the robot for some minutes, in order to
move the balancing device piston.
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the robot
Before entering the robot working area.
Check the o-rings at the front ear for leakage.
Replace o-rings if leaks are detected.
© Copyright 2011-2018 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
ment on page 145.
Replacement of the complete bearing
is also described in section
ment of spherical roller bearing, balan-
cing device on page
Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N
Required equip-
Replace-
297.