CHAPTER 3
OPERATOR AND ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section I. OPERATOR AND ORGANIZATIONAL MAINTENANCE TOOLS AND EQUIPMENT
The five-digit code preceding the stock number is the
23. Special Tools and Equipment
Federal supply code number for the manufacturer of the
The special tools required to perform organizational
tool. No special equipment is required by organizational
maintenance on the theodolite are listed in table I and in
maintenance personnel for performing maintenance on
TM 5-6675-231-25P.
References and illustrations
the theodolite.
indicating the use of these tools are listed in the table.
Table I. Special Tools
Item
FSN or part
Figure
Use
No.
No.
Pin, adjusting
6675-353-4103
Adjust theodolite adjusting screws.
Wrench, tripod
5120-429-2949
Tripod
leg
adjustment,
removal
and
installation.
24. Basic Issue Tools and Equipment
25. Organizational Maintenance Repair Parts
Tools and repair parts issued with or authorized
Organizational maintenance repair parts are listed
for the theodolite are listed in the basic issue items list
and illustrated in TM 5-6675-231-25P.
Section II. LUBRICATION
Approved lubricants are non-corrosive, highly refined,
26. General Lubrication Information
and must be free from all paint removing ingredients.
All moving parts of the theodolite, both smooth and
Ordinary machine oil is not an approved lubricant. The
threaded surfaces, are fitted within extremely fine
following lubricants are approved for use on this
tolerances. For this reason,, most parts of the theodolite
theodolite:
are cleaned prior to lubrication. Any attempt to lubricate
the theodolite without first cleaning it may result in
(1) OCW; oil, clock and watch.
damage to the instrument.
Only those lubricants
(2) GL; grease, aircraft and instrument.
approved for use on the theodolite will be used. No
c. Components Requiring Lubrication.
lubrication will be performed in the field unless
(1) Telescope axle bearing. Clean the area
specifically called for.
between the right side axis bearing (fig.
1), vertical clamp, and telescope axis.
27. Detailed Lubrication Information
Apply 1 drop of oil at the top of each
a. Care of Lubricants. Special care should be
crack. Turn the telescope 180 and apply
taken to see that all surveying-instrument lubricants are
1 drop of oil in the same cracks. Rotate
kept absolutely free from contamination by any foreign
the telescope and simultaneously press
substance. Containers must be stored in a clean, dry
down and release the vertical clamp to
place and wiped free of dirt or dust before they are
work the oil into the telescope axis. When
opened. All lids or bottle tops must be airtight.
the axis is
b. Lubricants. No lubricants other than those
approved for use on the theodolite will be stocked.
AGO 5078A 32
