TM 5-6675-307-14
c.
Cleaning.
(1) Clean all metal and plastic parts with
cleaning solvent, Federal Specification P-D-680.
WARNING
(2) Wipe any corrosion from terminals.
Dry cleaning solvent, P-D-680, used
d. Inspection and Repair.
to
clean
parts
is
potentially
(1) Inspect wiring, cables, plugs, and
dangerous
to
personnel
and
jacks for damage, corrosion, and broken wires. If it is
property.
Avoid repeated and
necessary to replace wiring, a schematic diagram of the
prolonged skin contact. Do not use
case is given in figure 7-6.
near open flame or excessive heat.
Flash point of solvent is 100 F. (38
C.) 138 F. (59 C.).
Figure 7-6. Battery case, schematic diagram.
(2) Inspect condition of hinges, latch, and
mounts over the telescope eyepiece when making acute
handle.
angle observations. The eyepiece is provided with a
(3) Check security of battery, lamp, and
sun filter to allow direct observation of the sun.
b. Disassembly.
jack mountings.
Disassemble prismatic
(4) Check condition of rheostat and that
eyepiece in the order of the index numbers in figure 7-7.
knob moves smoothly.
(5) Replace any part that is damaged.
7-7.
Telescope Prismatic Eyepiece
a. General. The telescope prismatic eyepiece
7-10