4 Repair
4.5.2. Replacement of brake release unit
3HAC020993-001 Revision: G
280
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
5. Refit the complete brake release unit
(including brake release unit and bracket) to
the SMB recess with the two attachment
screws.
6. Refit the
SMB cover
with its attachment
screws.
The push button guard must not be mounted
on the cover before the check described below
is made!
Shown in the figure
7.
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 39
!
8. Refit the
push button guard
to the SMB cover.
Shown in the figure
9. If the battery has been disconnected the
revolution counter must be updated.
Detailed in the Calibration chapter -
section
Updating revolution counters on
.
10.
DANGER!
Make sure all safety requirements are met
when performing the first test run. These are
further detailed in section
run may cause injury or damage! on page 38
Action
Note/Illustration
Continued