InformationAction
See section
• Removal, upper arm on page 276
Remove the upper arm.9
Note
On reassembly a new sealing must be
used! For art. no. see: Replacing gearbox
axis 3 on page 419.
Remove the sealing axis 2/3 between gear-
box and lower arm.
10
Place the removed upper arm safely on a
workbench, in a fixture or similar.
11
See the figure in:
• Location of gearbox axis 3 on
page 420
Remove the attachment screws that secure
the axis-3 gearbox to the upper arm.
12
For art. no. see:
• Required equipment on page 420
Fit two guide pins in 180° relation to each
other in the holes for the attachment screws
of the gearbox.
13
For art. no. see:
• Required equipment on page 420
xx0200000201
If required, use two M12 screws in the the
holes shown in the figure, in order to press
the gearbox free.
14
• A: M12 holes for pressing the
gearbox out
• B: Holes for attachment screws,
between gearbox and upper arm
• C: Holes for attachment screws,
between gearbox and lower arm
CAUTION
The gearbox weighs 60 kg! All lifting equip-
ment used must be sized accordingly!
15
Fit the lifting eye to the gearbox.16
Remove the gearbox with guidance from the
guide pins. Use an overhead crane or simil-
ar.
17
Continues on next page
Product manual - IRB 6640 Foundry Prime 423
3HAC040586-001 Revision: N
© Copyright 2011-2018 ABB. All rights reserved.
4 Repair
4.7.3 Replacing gearbox axis 3
Continued
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