4 Repair
4.5.5. Replacement of balancing device (design 2)
3HAC026876-001 Revision: F308
© Copyright 2007-2010 ABB. All rights reserved.
4. Secure the upper arm
using a lifting sling or using
the locking screw (A) in the
frame.
xx0800000249
5. Method 1:
Unload the balancing
device with the press tool
in order to make the piston
rod and front ear
adjustable when pulling
the shaft out.
Described in section Unloading the balancing device using
hydraulic press tool. on page 322
6. Method 2:
Unload the balancing
device with the distance
tool in order to make the
piston rod and front ear
adjustable when pulling
the shaft out.
Described in section Unloading the balancing device using
distance tool on page 317
7.
DANGER!
Turn off all electric power,
hydraulic and pneumatic
pressure supplies to the
robot!
For Foundry Prime robots:
Do not turn off the air
pressure to motors and
SMB.
8. Remove the protection
plug covering the shaft in
the center of the piston rod
shaft front eye.
NOTE!
The protection plug used in Clean Room applications must
also be refitted after the refitting of the balancing device! do
not loose it!
9. Remove the Hex socket
head cap screw M16x70
securing the piston rod
shaft front eye.
Action Note
Continued
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