TM 5-6675-250-20
2-8. ASSEMBLY AND PREPARATION FOR USE (Continued)
SETUP PROCEDURE WITH AUXILIARY TRIPOD (Continued)
b . R e m o v e t r i p o d a d a p t e r a s s e m b l y ( 5 ) f r om
transport case storage compartment and place on
top of auxiliary tripod (4).
c. Center and position each tripod adapter leg
(1, 2 and 3) at the apex of the auxiliary tripod plate
(6) and secure with bridge screw (7) attached to
p l a t e.
d . P l a c e G R U ( 8 ) a n d t r i p o d ( 9 ) o n t r i p o d
adapter assembly (5) .
e.
Place tripod leg spades (10, 11 and 12) in
r e c e p t a c l e s p r o v i d e d i n e a c h l e g o f t h e a d a p t er
assembly (5) and secure tripod
(5) with spade latches (13).
N O T E
(9) to the adapter
If a plumb bob is to be used for center-
i n g t h e i n s t r u m e n t o v e r a f i x e d
r e f e r e n c e p o i n t , u s e p l u m b b o b
assembly stored in the transit case.
f . I n s e r t e x t e n s i o n h o o k ( 1 ) t h r o u g h b r i d ge
screw and attach to pointer (2) on the underside of
GRU housing (3).
g . A t t a c h p l u m b b o b a s s e m b l y ( 4 ) t o p l u mb
p o i n t e r ( 2 ) a n d a d j u s t c o r d l e n g t h t o p o s i t i o n
p l u m b b o b a p p r o x i m a t e l y o v e r f i x e d r e f e r e n c ed
p o i n t.
2-10
