4 Repair
4.5.2. Replacement of brake release unit
3HAC022033-001 Revision: K306
© Copyright 2004-2011 ABB. All rights reserved.
3. Connect the connectors X8, X9 and X10 to the
brake release unit.
xx0200000129
A. Connector X8
B. Connector X9
C. Connector X10
D. Push buttons
4. Refit the SMB cover with its attachment screws. Shown in the figure Location of brake
release unit, frame on page 302.
5.
WARNING!
Before continuing any service work, please
observe the safety information in section
WARNING - The brake release buttons may be
jammed after service work on page 48!
6. Refit the push button guard on the SMB cover. Shown in the figure Location of brake
release unit, frame on page 302.
7. If the battery has been disconnected the
revolution counters must be updated.
Detailed in section Updating revolution
counters on page 408.
8.
DANGER!
Make sure all safety requirements are met
when performing the first test run. These are
further detailed in the section DANGER - First
test run may cause injury or damage! on page
47.
Action Note
Continued