4 Repair
4.4.3. Replacement of complete upper arm
1213HAC026048-001 Revision: A
© Copyright 2006-2008 ABB. All rights reserved.
9. Secure the other side of the upper arm to the
lower arm by fitting the shaft end with
guidance from the guide pins.
xx0600002605
A. Shaft end
B. Guide pins, 3 pcs
C. Attachment screw and washer
10. Remove the guide pins and secure the shaft
end with three flanged bolts from the inside of
the lower arm, using locking liquid. Do not
tighten yet.
Specified in Required equipment on
page 116.
11. Fit the one attachment screw and washer (C in
the previous figure) to the shaft end.
1 pc, M12 x 60, UNBRAKO 12.9.
Tightening torque: 90 Nm.
Reused screws may be used, providing
they are lubricated as detailed in
section Screw joints on page 186
before fitting.
12. Tighten the flanged bolts. Tightening torque: 10 Nm.
13. Return to the other side of the upper arm and
prepare the lock nut by lubricating it with
locking liquid.
Specified in Required equipment on
page 116.
14. Fit the tapered roller bearing and the lock nut
(flat side outwards) to the shaft end.
xx0600002606
A. Tapered roller bearing
B. Lock nut, tightening torque: 35
Nm.
15. Fit a new VK cover to the upper arm.
Action Note/Illustration
Continued
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