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4 Repair
4.4.3 Replacing the upper arm
Continued
9
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15
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17
18
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Continues on next page
218
Action
Fit o-ring on the sealing ring.
Lubricate the bearing with bearing grease.
Fit the sealing ring with the o-ring fitted, in
the lower arm, using a plastic mallet or simil-
ar.
Wipe the lock nut clean from grease.
Fit the sealing on the lock nut.
Apply locking liquid (Loctite 243) on the
threads of the lock nut.
Only applicable to the axis 3 side!
Secure all parts with the lock nut (flat side
facing inwards), using sleeve KM nut type 15
(3HAC038174-024) with a tightening torque
of 175 Nm.
Let the shims remain mounted.
Only applicable to the axis 2 side!
Secure all parts with the lock nut (flat side
facing inwards) lightly by hand, using Sleeve
KM nut type 15 (3HAC038174-024).
Only applicable to the axis 2 side!
Measure the distance between the outer
sides of the lower arm with a large slide cal-
iper as shown in the figure.
Fix (lock) the result on the sliding caliper.
This measure will be used further on in the
process.
Only applicable to the axis 2 side!
Tighten the lock nut while at the same time
checking the measure between the slide cal-
iper and the lower arm, until the lower arm is
pushed together to a gap of 0.3 mm.
Remove the 2.5 mm shims.
© Copyright 2013 ABB. All rights reserved.
Note
Shown in the figure:
•
Cut away view of the assembly of
the upper arm components on
page 210
Specified in
Required equipment on
page
211.
Shown in the figure:
•
Cut away view of the assembly of
the upper arm components on
page 210
Shown in the figure:
•
Cut away view of the assembly of
the upper arm components on
page 210
For art. no. see:
•
Required equipment on page 211
Shown in the figure:
•
Cut away view of the assembly of
the upper arm components on
page 210
xx1100000039
3HAC039838-001 Revision: C
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