TM 5-6675-250-10
2-9. PREPARATION FOR MOVEMENT - Continued
PUTTING SIAGL BACK IN SERVICE - Continued
AUXILIARY TRIPOD - Continued
NOTE
The GRU may be operated with or
without the use of an auxiliary tripod.
The auxiliary tripod is used when opera-
tion of the equipment from a standing
position is required.
Spread auxiliary tripod legs (1) outward to
a.
obtain a level condition while standing the
assembly in a vertical position over a
selected postion.
Remove tripod adapter assembly (2) from
b.
transport case storage compartment.
Center and position each tripod adapter
c.
leg at the apex (3) of the tripod adapter
assembly (2).
d.
Secure with bridge screw (4) attached to
tripod plate.
Place GRU (5) and tripod (6) on tripod
e.
adapter assembly (2).
f.
provided in each leg of the adapter assem-
bly.
Secure tripod (6) to adapter assembly (2)
g.
with spade latches (8).
NOTE
If a plumb bob is to be used for center-
ing t h e instrument over a fixed
reference point, use the plumb bob
assembly stored in the transit case.
2-66