Special
Tools
Item
Federal stock
Reference
number or
Use
part number
Para.
Fig.
5120-429-2948
Mounting
circular
compass
Screwdriver
5120-446-2860
Mounting
circular
compass
Screwdriver
Turn
adjusting
screw
6675-353-4103
Pin, Adjusting
Tightening
down
tripod
head
bolts
5120-378-9520
Wrench, Tripod
3-7. Repair Parts
tenance are listed and illustrated in TM 5-6675-
200-25P.
Repair parts required for organizational main-
Section
III.
LUBRICATION
INSTRUCTIONS
an approved lubricant. The following lubricants are
3-8. General Lubrication Information
a p p r o v e d for the use of this theodolite:
Any attempt to lubricate the theodolite without
c l e a n i n g may result in damage to the instrument.
(FSN 9150-252-6382)
NOTE
( 2 ) GL, Grease: aircraft and instrument (FSN
Never
perform
any
lubrication
operation
other
9150-576-4262)
than
that
specified,
or
use
any
lubricants
other
c. Parts Requiring Lubrication.
than
those
that
are
specifically
approved
to
be
used
on
the
instrument.
(1) T r i b r a c h c l a m p i n g l e v e r . R e m o v e
the
3-9. Detailed Lubrication Information
t r i b r a c h assembly (9, fig. 1-4) from the theodolite.
C l e a n all contacts on the tribrach clamp lever (6,
a. Care of Lubricants. Special care should be
fig. 1-3), clutch feet tension handle, and its
guides
taken
to
see t h a t a l l s u r v e y i n g
instrument
Grease all contact points sparingly with the
l u b r i c a n t s provided in the lubricant container (4,
tamination of any foreign substance. Containers
must be stored in a clean, dry place, and wiped free
theodolite.
o f dirt or dust before they are opened. All lids or
(2) Foot screws and spike feet. A p p l y g r e a s e
b o t t l e tops must be airtight.
s p a r i n g l y from the lubricant container to the foot
b. Lubricants. No lubricants other than those
screws and the spike feet contact points. Turn each
a p p r o v e d for use on surveying instruments will be
foot screw several times to distribute the lubricant
stocked. Approved lubricants are noncorrosive,
o v e r the threads.
h i g h l y refined, and must be free from any paint-
r e m o v i n g ingredients. Ordinary machine oil is not
Section
IV.
PREVENTIVE
MAINTENANCE
CHECKS
AND
SERVICES
damage
the
equipment
if
operation
were
con-
General
tinued. All deficiencies and shortcomings will be
To insure that the theodolite is ready for operation
recorded, together with the corrective action taken,
at all times, it must be inspected systematically, so
on DA Form 2024 at the earliest possible op-
that defects may be discovered and corrected before
portunity.
they result in serious damage or failure. The
necessary preventive maintenance services to be
3 - 1 1 . Monthly
Preventive Maintenance Services
This paragraph contains a tabulated listing of
11. The item numbers indicate the
sequence of
preventive - maintenance services which must be
minimum inspection requirements. Defects
performed by organizational maintenance per-
discovered during operation of the unit shall be
s o n n e l . The item numbers are listed consecutively
n o t e d for future correction, to be made as soon as
indicate
sequence of
minimum
and
the
operation has ceased. Stop operation immediately if
r e q u i r e m e n t s . Refer to table 3-2 for the monthly
a deficiency is noted during operation which would
preventive
maintenance
services.