4 Repair
4.3.1. Replacement of cable harness, lower end (axes 1-2)
1553HAC027151-001 Revision: B
© Copyright 2006-2008 ABB. All rights reserved.
4. Disconnect the earth cable.
xx0600003028
• A: Earth (placed beneath the
top cover)
• B: Top cover, connection box
5. Disconnect connectors R1.MP and R1.SMB on
the connection plate, base.
Shown in the figure Location of cable
harness, axes 1-2 on page 153.
6. Disconnect all connectors at motors 1 R2.MP1,
R2.FB1 and 2 R2.MP2, R2.FB2.
Shown in the figure Location of cable
harness, axes 1-2 on page 153.
7. Remove the metal clamps on the frame,
securing the cable harness.
Shown in the figure Location of cable
harness, axes 1-2 on page 153.
8. Remove the attachment screws holding the
SMB/BU unit in its box.
The cable between the battery and the SMB/BU
unit may stay connected, in order to avoid an
update of the revolution counter. If the battery
cable is disconnected, an updating of the
revolution counter is necessary!
xx0600003026
• A: Attachment screws, M5x12
quality 8.8 (7 pcs)
• B: SMB/BU unit
• C: Battery unit
•D: Box
9. Carefully lift the SMB/BU unit out of its box,
while at the same time lifting the cables of the
harness.
Action Note
Continued
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