TM 9-2330-246-14
4-23. DOOR-OPERATED BLACKOUT SWITCH REPLACEMENT (M373A3, M373A4, AND
M373A5).
This Task Covers:
Installation
b,
Removal
a.
Initial Setup:
Materials/Parts:
Equipment Conditions:
110-volt power disconnected from semitrailer.
Tools/Test Equipment:
q General mechanic's tool kit
a. REMOVAL
1.
Remove four screws (8), cover (7), and seal (6) from switch (2).
Tag and disconnect wires from switch (2).
2.
Remove nut (5) from connector (3).
3.
4.
Remove three screws (1) and switch (2) from semitrailer wall and conduit (4).
INSTALLATION
b.
Install switch (2) on conduit (4) and semitrailer wall using three screws (1).
1.
Install nut (5) on connector (3).
2.
Connect wires to switch (2). Remove tags.
3.
4.
Install seal (6) and cover (7) on switch (2) using four screws (8).
FOLLOW-ON TASKS:
Connect 110-volt power to semitrailer.
q
Check operation of door-operated blackout switch.
TA700170
4-37