TM 9-2330-246-14
4-34. 24-VOLT DOMELIGHT MAINTENANCE (M373A3, M373A4, AND M373A5).
This Task Covers:
a.
Lamp Replacement
c. Cleaning and Inspection
d . Assembly
b.
Disassembly
Initial Setup:
Materials/Parts:
Equipment Conditions:
Intervehicular cable disconnected from semitrailer
Rags (Item 20, Appendix E)
Marker tags (Item 24, Appendix E)
One locknut
Tools/Test Equipment:
One preformed packing
General mechanic's tool kit
One seal
Two grommets
Three gaskets
Fifteen Iockwashers
LAMP REPLACEMENTI
a.
CAUTION
Bezel mounts domelight to semitrailer roof. After removing bezel, support domelight to
keep it from falling and becoming damaged.
1.
Remove four screws (16), Iockwashers (15), and bezel (14). Discard Iockwashers.
2.
Loosen eight screws (10) and remove lens retainer (9) from body (33) to the limit allowed by length of electrical
lead (29).
Push in on lamp (3 or 43) and turn counterclockwise to remove from lamp holder (46 or 44).
3.
4.
Insert lamp (3 or 43) in lamp holder (46 or 44) and turn clockwise.
Install lens retainer (9) on body (33) and tighten eight screws (10).
5.
Install bezel (14) using four screws (16) and new Iockwashers (15).
6.
DISASSEMBLY I
b.
NOTE
Bezel mounts domelight to semitrailer roof. After removing bezel, support domelight to
keep it from falling and becoming damaged.
1.
Remove four screws (16), Iockwashers (15), and bezel (14). Discard Iockwashers.
Loosen eight screws (10) and remove lens retainer (9) from body (33) to the limit allowed by length of electrical
2.
lead (29).
Tag electrical leads connected to switch (45). Loosen screws on switch and disconnect electrical leads.
3.
Remove lens retainer (9) and seal (7) from body (33). Discard seal.
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