TM 5-6675-306-14
CHAPTER 7
REPAIR OF BATTERY BOX, HANDLAMP AND CONNECTING CALBE,AND LAMP FITTINGS
Section I. GENERAL
7-1.
Description
circles. A handlamp with a connecting cable that plugs
into the battery box is also provided for general external
The illumination system consists of two lamp fittings and
lighting purposes.
a battery box, with a rheostat to control the intensity of
light illuminating the horizontal, vertical, and micrometer
Section II. BATTERY BOX, HANDLAMP AND CONNECTING CALBE-AND LAMP FITTINGS
7-2.
Battery Box
matter from cables, lamp trunk, springs, washers, and
a. General. The battery box stores the batteries
rheostat.
(2)
Inspect the cables and contacts for
which provide power for the illumination system. A
cracked, swollen, or damaged insulation, broken wires,
rheostat on the battery box controls illumination
and defective terminals. Inspect the springs for bends,
brightness.
breaks, and fatigue.
b. Disassembly.
Refer
to
and
(3) Inspect the lamp trunk for cracks and other
disassemble the battery box.
damage. Inspect the rheostat for improper operation and
c. Cleaning, inspection, and repair.
other damage. Inspect the sockets for cracks and wear.
Inspect the springs for bends, breaks, and fatigue.
WARNING
Inspect the contacts and slide lever for wear, burrs, and
bends.
Dry cleaning solvent, P-D-680, used to
clean parts is potentially dangerous to
(4) Inspect the battery box for dents, cracks, and
personnel and property. Avoid repeated
defective mounting bracket, clamps, and carrying strap.
and prolonged skin contact. Do not use
near open flame or excessive heat.
(5) Remove all burrs and straighten dents. Replace
Flash point of solvent is 100 F.- 138
all defective parts that cannot be repaired.
F.(38 C.-59 C.)
d Reassembly. Refer
to
and
(1) Clean all metal parts with an approved cleaning
reassemble the battery box.
solvent and dry thoroughly. Wipe all corrosion from
terminals and contacts. Wipe dirt and other foreign
7-1
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