4 Repair
4.4.4. Replacement of complete lower arm
3HAC022033-001 Revision: K294
© Copyright 2004-2011 ABB. All rights reserved.
8. In case the holes of the lower arm and the ones
of the gearbox axis 2 doesn´t match, use power
supply to release the motor axis 2 brakes and
rotate the pinion and gear with the rotation tool.
Connect power supply to connector
R2.MP2:
• + : pin 2
•- : pin 5
xx0200000165
The rotation tool (A) is used beneath
the motor cover, directly on the motor
shaft as shown in the figure above!
Art. no. is specified in Required
equipment on page 289.
9. Secure the lower arm with 28 of the 30
attachment screws and washers in gearbox 2.
30 pcs: M16 x 50; tightening torque:
300 Nm.
Shown in the figure Attachment
points, lower arm on page 288.
10. Remove the guidings and secure the two
remaining attachment screws as detailed above!
11. Apply grease to the shaft hole. Art. no. is specified in Required
equipment on page 289.
12. Push the shaft in by hand.
xx0300000014
A. Retaining ring
B. Protection washer
C. Bearing
D. Thrust washer
E. Shaft
F. Protection washer
13. Apply the press tool, axis 2 shaft. Art. no. is specified in Required
equipment on page 289.
14. Tighten the M16 nut. Tightening torque: 20 Nm.
15. Fit both the hydraulic pump and the glycerin
pump to the press tool.
Action Note
Continued
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