TM 5-6675-307-14
CHAPTER 3
OPERATOR/ CREW MAINTENANCE INSTRUCTIONS
Section I. BASIC ISSUE ITEMS LIST AND ITEMS TROOP
INSTALLED OR AUTHORIZED LIST
3-1.
Basic Issue Items and Troop Installed or
troop installed or authorized for the theodolite are listed
Authorized
in the basic issue items and items troop installed or
authorized list, Appendix C.
Tools, equipment and repair parts issued with
Section II. LUBRICATION INSTRUCTIONS
3-2.
General
they are opened. All lids or bottle tops must be airtight.
b. Lubricants. No lubricants other than those
a. This section contains a lubrication chart and
approved for use on the theodolite will be stocked.
instructions which are supplemental to, and not
Approved lubricants are noncorrosive and highly refined
specifically covered in the lubrication chart. Refer to
and must be free from all paint removing ingredients.
figure 3-1 for the lubrication chart.
The following lubricants are approved for use on this
b. All moving parts of the theodolite, both smooth
theodolite.
(1) OCW; oil, clock and watch.
and threaded surfaces, are fitted within fine tolerances.
(2) GIA; grease, aircraft and instrument.
For this reason, most parts of the theodolite are cleaned
c. Lubrication Procedure. Cleaning and lubrication
prior to lubrication.
Any attempt to lubricate the
services, which require partial or complete disassembly
theodolite without first cleaning it, may result in damage
of the instrument, must be performed in the dust-free
to the instrument. Only those lubricants approved for
atmosphere of an instrument repair shop and only by
use on the theodolite will be used. No lubrication will be
qualified personnel.
Disassembling the instrument
performed in the field unless specifically called. for.
under other conditions, especially where dust might filter
3-3. Detailed Lubrication Information
into recesses, will do more harm than good. Since the
a. Care of Lubricants. Special care should be
lubricants must be applied sparingly, never use a
container with a spout, such as an oil can, to apply oil on
taken to see that all instrument lubricants are kept free
parts or into assemblies.
Containers must be stored in a clean, dry place and
wiped free of dirt or dust before
3-1