TM 10--3510--221--24
0234 00--1
24 CHANNEL SSR PCB REPLACEMENT
0234 00
THIS WORK PACKAGE COVERS:
Removal, Installation
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Washer, Lock (Item 17, WP 0275 00)
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
LADS power must be shut off and door opened at
main control enclosure (WP 0112 00).
REMOVAL
1. Unplug three wire headers (1) from SSR PCB (2).
2. Disconnect ribbon cable (3) from cable header (4).
NOTE
Step 3 applies to PCB3 only and step 4 applies to PCB4 only.
3. Remove eight screws (5), sealing washers (6), and nuts (7), then remove SSR PCB3 (2) from enclosure (8).
4. Remove eight screws (9) and lock washers (10), then remove SSR PCB4 (2) from subpanel (9).
5. Loosen three thumb screws (11), then remove retaining bar (12).
6. Note position of each SSR (13) then remove SSRs from SSR PCB (2).
