Printronix P9012, Maintenance Manual

Page: 212 / 256

6–94 Replacement Procedures
Logic Backplane
(Figure 6–31)
Removal
1. Remove the card cage as described on page 6–76.
2. Remove three nuts (1) and washers (2).
3. Lift the end of the DC power bus assembly (3) off the studs (4).
4. Disconnect connectors (5) and (6).
5. Remove ten screws (7), three metal washers (8), and seven nylon
washers (9).
6. Separate the logic backplane (10) from the card cage (11).
Installation
1. Place the logic backplane on the card cage.
2. Install ten screws (7), three metal washers (8), and seven nylon washers
(9). Note that the metal washers should be installed at the top three holes
only.
3. Connect connectors (5) and (6).
4. Place the end of the DC power bus assembly over the studs.
5. Install three washers (2) and nuts.
6. Install the card cage as described on page 6–84.