TM 5-6675-250-10
2-5. ASSEMBLY AND PREPARATION FOR USE - Continued
UNPACKING EQUIPMENT - Continued
Avoid exposure of the equipment to dust, soil
or other abrasive materials.
SETTING-UP GYROSCOPIC REFERENCES UNIT
(GRU) AND TRIPOD
a.
Loosen leg clamp (1) on each leg of tripod.
b.
Extend each leg to about 1/4 inch (.64 cm)
from full extension.
c.
Tighten clamps (1) to secure adjustable
legs (2).
The legs of the tripod assembly are hinge-
mounted and can swing beyond a normal
standing position. Exercise care to avoid
spreading the legs excessively and knocking
the GRU against the ground surface.
d.
Spread the tripod legs (1,2 and 3) outward
to obtain a level condition while standing
the unit (4) in a vertical position over a
selected location.
NOTE
Perform preventive maintenance checks and
services as specified in PMCS chart.
2-30
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