T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P -2
FRAME 6
Remove TB1 or TB2:
1.
2.
3.
4.
5.
6.
NOTE
To remove circuit card assembly TB1 (1) do steps (2)
and 3.
To remove terminal board assembly TB2 (2) do steps 4,
5, and 6.
Read paragraph 2-4 on tagging and soldering wires
before doing any work.
Cut lacing tape as needed with pliers and unsolder wires (3) from TB1 (1).
Unscrew and take out four machine screws (4), Iockwashers (5), flat washers (6), and
electrical-mechanical posts (7) with screwdriver and wrench. Get rid of
Iockwashers (5).
Lift circuit card assembly TB1 (1) out of electrical load bank (8).
Unscrew and take out four machine screws (9), four Iockwashers (10), eight fIat
washers (11), and four hexagon plain nuts (12) with screwdriver and wrench. Get rid
of Iockwashers (10).
Lift terminal board TB2 (2) out of load bank as (8).
Tag and unsolder wires (3) from TB2 (2).
Follow-on Maintenance:
NOTE: To install circuit card assembly TB1 or terminal board assembly TB2, refer
to task 12.
TASK 6 ENDS HERE
Volume IV
2-291
Para. 2-11, Task 6
