TM 5-6675-312-14
4-29. TRIBRACH ASSEMBLY - MAINTENANCE INSTRUCTIONS (cont)
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1. Theodolite and
Tribrach
a. Screw recessed
Refer to figure
tribrach
assembly
machine screw
assembly
all the way
in.
b. Rotate lever
knob so
that arrow
point up-
ward.
c. Lift theo-
dolite off
of tribrach
assembly.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, used to clean parts is potentially dangerous to personnel and
property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive
heat. Flash point of solvent is 100 . 138 . (38 . 59 . ). Do not use P-D-680 to clean
F
F
C
C
lens.
2. Tribrach
Tribrach
a. Clean with a
assembly
assembly
clean, lint-
free cloth
moistened with
cleaning sol-
vent.
4-47
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