TM 11-6660-218-12
Sequence
Reference
Procedure
Item to be inspected
I
No
b. Compare the barometer indication
TM 11-427.
with the indiacation of a barometer
of known accuracy. If the barom-
eter indication is incorrect, adjust
the barometer.
u. Hold the anemometer (fig. 18) in
10
Anemometer _ _ _ _ _ _ _ _ _ _ _
a vertical position and cover the
vent. The pointer (not shown) on
the anemometer should be posi-
tioned at 0. If the pointer is not
positioned at 0, turn the zero-
adjust screw until the pointer is
positioned at 0.
b. Uncover the vent and set the range
selector to the estimated wind-
speed range (0 through 8 or 0
through 40).
c. Turn the anemometer slowly back
and forth in the wind until the
index mark is aligned with the
index pin. The pointer of the ane-
mometer should deflect upscale
and the compass should indicate
the wind direction.
11
Theodol ite set ---------------------
Operate the theodolite set in accord-
ance with the instructions given in
TM 11-6675-200-10.
12
Telephone ------------------------
Operate the telephone in accordance
with the instructions given in TM
11-337.
c. Remove dust or dirt from plugs and jacks
4-8. Cleaning
with a brush.
Inspect the exterior and interior surfaces of
Caution: Do not press on the meter faces
t h e inflation tent, the barometer, and
when cleaning, the meter may be damaged.
telephone cases, and the exterior surfaces of
the remainder of the equipment. The surfaces
d. Clean the scales, rules, front panel, me-
should be clean and free of dust, dirt, grease,
ters, and control knobs; use a soft, clean cloth.
and fungus.
If the dirt is difficult to remove, dampen the
cloth with water; mild soap may be used.
a. Remove the dust and loose dirt from the
inflation tent and the barometer and tele-
4-9. Lubrication
phone cases with a brush. Remove the dust
a. Lubricate the theodolite set as described
and loose dirt from the remainder of the
in TM 11667520010.
equipment with a clean, soft cloth.
few drops of lubricating oil (OAI) in the
Warning: Cleaning compound is flammable
oilcups of each bearing on the reel unit han-
and its fumes are toxic. Provide adequate
dles and in the oilhole on the crank handle.
ventilation. Do not use near a flame.
b. Remove grease, fungus, and ground-in
c. Lubricate the launching reel (fig. 126);
dirt from the equipment; use a cloth dam-
place a few drops of lubricating oil (OAI) on
pened (not wet) with the cleaning compound.
the axle of the unit.
AGO 8029A
4-4
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