User's Manual

Chapter 6 Maintenance
Figure 6-13 HPA PSU 30 VDC Rectifier Module
1) Front Grill/Cover
2) Front Grill/Cover Release Button
6.5.7.1 HPA PS (30 VDC Rectifier Module) Removal
A HP
A PS should be removed in the following sequence:
1. Open the electronics compartment front door for the corresponding sub-system.
2. Open the cabinet HPA compartment front door for the corresponding sub-system.
3. Using the HBE GUI or LBE GUI, place the corresponding sub-system in standby mode.
4. Switch OFF the HPA PSU circuit breaker, located on the HB cabinet PDU or LB cabinet
PDU, which corresponds to the affected rectifier module – please refer to section 2.3.4
or 2.3.5
for breaker designations.
5. Slide the black release button on the rectifier module front grill/cover cover down to
release the grill/cover from the front of the rectifier module – see Figure 6-12
.
6. Pull down on the rectifier module front grill/cover cover to disengage the rectifier
module from the HPA PSU mounting shelf rear panel – see Figure 6-12
.
7. Pull the rectifier module from the HPA PSU mounting shelf and set it aside.
SX03-2000
0-01-M01 6-27