T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P - 2
FRAME 12
Replace Jacks:
NOTE
l
Use this task to replace any of 14 jacks (1). Jack 4 (1)
is shown.
l
Read paragraph 2-4 on soldering and tagging wires
before doing any work.
Remove Jack:
1.
Tag and unsolder wire (2) from jack (1).
2. Unscrew and take off nut (3) and lockwasher (4) from jack (1), with 5/16 and 11/32-
inch wrenches.
3. Pull jack (1) out of center of plate (5). Turn in jack(1).
InstalI Jack:
NOTE
Refer to table below when installing new test point jacks
(1).
4. Put new jack (1) into hole in center plate (5).
5. Screw on and tighten nut (3) and Iockwasher (4) with 5/16 and 11/32-inch wrenches.
6. Solder wire (2) to new jack (1).
Follow-on Maintenance:
1. Install circuit card assemblies A2, A3, A4, A5, A6, A7, A9, A10, A13, and A14;
refer to task 19.
2. Install electrical card holder; refer to task 20.
3. Install thermal system test controller; refer to para. 2-5, task 8.
4. Install thermal system test controller case cover; refer to volume 1, para. 4-18.
TASK 11 ENDS HERE
Volume IV
Para. 2-7, Task 11
2-139
