TM 9-1220-238-14
CHAPTER 4
DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
INSTRUCTIONS
Section I. GENERAL
d. Frame Assembly (fig. 1-1). Fill lines and
4-1. Scope.
figures of 6400 MIL scale flush with finished surface
This chapter contains specific instructions for the
Color white, type I filler, TT-F-325.
disassembly, repair, assembly, test and adjustment of
e. Scale (fig. 1-1). Fill lines and figures color
board plotting M18 and associated equipment. For
white, type I filler, TT-F-325
description and data refer to Chapter 1
f. Anchor (fig 1-1) Semigloss enamel TT-E-529,
Note This manual contains exploded views
color black, 27038, FED-STD-595
which depict complete disassembly of the board
g. Knob (fig. B-2-2) Mahogany stain, TT-S-711
plotting M18 and partial disassembly of the plotting
h. Disk (fig B-2-5). Semigloss enamel, TT-E-529,
board chest This should not be construed as
color black, 27038, FED-STD-595
authority to disassemble the materiel beyond that
i. Metal Components Touch up and/or paint olive
required to perform operations authorized in the
drab components of plotting board and chest with TT-E-
Maintenance Allocation Chart (MAC) in Appendix C
529, alkyd semigloss enamel, color 24087, FEDSTD-
or to replace parts other than authorized in the
595.
applicable columns in Appendix B, Repair Parts List
chest with TT-E-529, color black, 27038, FED-STD595.
4-2. Replacing Parts.
Stencil gothic lettering on platform assembly and foam
In subsequent paragraphs it is understood that
insert in bottom corner of chest body with TT-E-529,
authorized parts damaged or worn beyond repair are to
color white, 27875, FED-STD-595 (fig B-9).
be replaced and that necessary repairs within the
capability of the shop to which the materiel is referred
4-7. Bonding.
will automatically be accomplished, i.e., straightening,
a. Bonding is to be accomplished only as required.
removal of burrs, dents, scratches, rust and providing
All surfaces must be free of contaminants before
proper paint finishes.
application of the proper adhesive to the specific rubber
and foam components noted in the following
4-3. General Maintenance Procedures.
paragraphs.
TM 9-254 presents general maintenance procedures
b. Apply adhesive MMM-A-1617 to mounting
that are often encountered in preparing fire control
surfaces of all rubber material This includes the pad on
materiel. These procedures are presented as guides to
the rest bracket assembly of the plotting board and all
maintenance personnel in the performance of their
pads, packing and inserts in the plotting board chest.
duties.
c. Apply adhesive 10559167 to mounting surfaces
4-4. Special Tools and Equipment.
of all foam inserts, pads and holders In the carrying
No special tools or equipment are required or
chest.
Adhesive must be applied to nondensified
authorized for plotting board M18 or equipment.
surfaces of foam material. (fig B-9).
4-5. Troubleshooting.
4-8. Staking.
Refer to Chapter 3, Section V
a. Components listed require staking if removed
and/or adjusted. Unless otherwise stated staking shall
4-6. Painting.
be in one place.
a. The finishes of selected components are
b. Stake screws (7 and 7(10)) and (13) of arm
provided to facilitate touchup and/or painting of such
assembly (6) in two places at threaded ends (fig B-2).
components caused by frequent handling and exposure
c. Insert screw (8) in slide assembly (23) and stake
to the elements and are to be applies only as required
bottom of screw (fig. B-6).
b. Plotting Disk (fig. 1-1). Fill lines flush with
d. Stake both ends of pin (19) in shoe assembly
surface Color black, type I filler, TT-F-325.
(18). Shoe (20) must be free to pivot at assembly (fig B-
c. Vernier Scale (fig. 1-1). Fill lines and figures.
Color white, type I filler, TT-F-325.
4-1
