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5. Rotate extractor (8) to loosen acquisition card (9) from back plane connectors (10).
6. Pull acquisition card (9) from card cage (5).
7. Rotate extractor (11) to loosen processor card (12) from back plane connectors (10).
8. Pull processor card (12) from card cage (5).
9. Rotate extractor (13) to loosen power supply card (14) from back plane connectors (10).
10. Pull power supply card (14) from card cage (5).
11. Remove four hex nuts (16), and four lock washers (17) from four positioning bolts (18).
12. Remove front panel assembly (19) from card cage (5).
13. Remove two cable connectors (20 and 21) and two terminal rings (22) from PWA back plane (23).
14. Disconnect fan cable and terminal lug (24) from PWA back plane (23).
15. Remove four screws (25), four lock washers (26), four flat washers (27), and PWA back plane (23) from
card cage (5).
16. Remove six screws (28), six lock washers (29), six flat washers (30), and two back plane bar supports
(31) from PWA back plane (23).
17. PWA back plane (23) is now available to be replaced.
b. INSTALLATION:
1. Apply thread-lock adhesive on threaded hardware.
2. Install new PWA back plane (23) onto two back plane bar supports (31) with six screws (28), six lock
washers (29), and six flat washers (30).
3. Install PWA back plane (23) into card cage (5) with four screws (25), four lock washers (26) and four flat
washers (27).
4. Connect fan cable and terminal lug (24) onto PWA back plane (23).
5. Connect two cable connectors (20 and 21) and two terminal rings (22) onto PWA back plane (23)
6. Install front panel assembly (19) onto card cage (5) with four positioning bolts (18), and attach with four hex
nuts (16), and four lock washers (17).
7. Install acquisition card (9) into card guides (15) pushing card into back plane connectors (10).
8. Install processor card (12) into card guides (15) pushing card into back plane connectors (10).
9. Install power supply card (14) into card guides (15) pushing card into back plane connectors (10).
10. Install PWA hold-down bracket (7) in place in the card cage (5) using two screws (top and bottom) (6).
11. Install enclosure (4) onto card cage (5).
12. Install four screws (1), four lock washers (2), and four flat washers (3) through four holes in the enclosure
(4) into the card cage (5).
