ABB IRB 6640 Foundry Prime Product Manual page 316

4 Repair
4.5.4.2 Replacing balancing device (design 2)
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316
Action
Foundry Prime robots:
Cut the paint layer with a knife in
the joint between the rear cover and
the balancing housing and remove
the cover.
Note
Keep the cover for the refitting.
Unload the balancing device in or-
der to make the ear of the piston rod
adjustable when pulling the front
shaft out.
Use one of the two methods de-
scribed.
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.
Method 2:
Unload the balancing device with
the distance tool in order to make
the piston rod and front ear ad-
justable when pulling the shaft out.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the ro-
bot working area.
© Copyright 2011-2018 ABB. All rights reserved.
Note
The figure shows the principal method.
xx0900000121
xx1000000554
• A: Joint between rear cover and balancing
housing
Method 1: The press toolmust be used if the bal-
ancing device shall be replaced with a new one.
Method 2: The distance tool can be used:
• when the front shaft is replaced
• when the spherical bearing at the front
shaft is replaced
• during service work on axis 2.
Described in section Unloading the balancing
device using hydraulic press tool on page 333
Described in section Unloading the balancing
device using distance tool on page 327
Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N