TM 5-1940-322-24
0043 00
AUXILIARY SWITCH PANEL PUSH BUTTON AND CIRCUIT BREAKER REPLACEMENT (Contd)
NOTE
Tag all wires during removal to assist with installation.
All circuit breakers and buttons are replaced the same way. This
procedure covers the replacement of one circuit breaker and one
button.
REMOVAL
1.
Remove eight screws (16), seal washers (17), and panel frame (15) from circuit cover panel (12).
Discard seal washers (17).
2.
Remove push buttons (13) and (14), circuit cover panel (12), gasket (11), washer (10), and circuit
breaker indicator (9) from circuit breaker (8).
3.
Inspect gasket (11) for damage. If damaged, discard gasket (11).
4.
Remove fourteen locknuts (1), washers (2), screws (4), and auxiliary switch panel (3) from console (18).
Discard locknuts (1).
5.
Loosen two conduit nuts (22) and grommets (23) from back cover (24).
6.
Loosen two conduit nuts (21) and grommets (20) from back cover (24).
CAUTION
Use caution when removing back cover. Failure to comply may
result in damage to wiring.
7.
Remove eight screws (19) and back cover (24) from auxiliary switch panel (3).
8.
Remove six screws (25) and cover (26) from back of main body (7).
9.
Remove three screws (5), spacers (6), and circuit breaker (8) from main body (7).
10.
If necessary, repeat step 8 for additional circuit breakers.
NOTE
When the auxiliary switch panel back cover is removed, it allows
access to two main body circuit breakers.
11.
If necessary, repeat steps 7 through 9 for other main body.
INSTALLATION
1.
Install circuit breaker (8) in main body (7) with three spacers (6) and screws (5).
2.
Install cover (26) on back of main body (7) with six screws (25).
3.
Install back cover (24) on auxiliary switch panel (3) with eight screws (19).
4.
Tighten two grommets (20) and conduit nuts (21) on back cover (24).
5.
Tighten two grommets (23) and conduit nuts (22) on back cover (24).
6.
Install auxiliary switch panel (1) on console (18) with fourteen screws (4), washers (2), and new
locknuts (1).
7.
Install circuit breaker indicator (9), washer (10), gasket (11) (if discarded), circuit cover panel (12), and
push buttons (13) and (14) on circuit breaker (8).
8.
Install panel frame (15) on circuit cover panel (12) with eight new seal washers (17) and screws (16).
9.
10.
Test auxiliary switch panel buttons (TM 5-1940-322-10).
0043 00-2