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Table 2-3. Preventive Maintenance Checks and Services
Up
TM-9-4931-583-30-P Boresight Kit T-102300-101 (
Next
Repair of Left Gun Frame Assembly.
TM 9-4931-583-30&P
REPAIR OF BORESIGHT ASSEMBLY, GROUND SUPPORT EQUIPMENT
BORESIGHT ASSEMBLY REPAIR
SECTION I.
General.
The boresight assembly
(2) Dent repair.
consists of a series of tubes and blocks grouped
t o g e t h e r i n  s u b a s s e m b l i e s . Repair of the
(a) Using scouring pads, remove paint from
assembly is made by replacement of a
dent and surrounding area.
subassembly. Limited repair is allowed at AVIM
to some subassemblies.
(b) Replace part if cracked.
Repair of Boresight Assembly.
(c) If dented only, paint cleaned area with
polyamide epoxy primer.
Expendable Supplies and Materials List
(3) Replace frame assembly if alignment
Part No./
blocks (10, 14, 17, 24, 28 and 31, figure C-3) have
Specification
Nomenclature
b e e n shifted on mounting surfaces, blocks
damaged, fittings damaged, or frame warped or
bent until self-alignment is not within tolerance.
Pads, Scouring
L-P-50,
Type I. Class 1
Polyamide Epoxy Primer
MIL-P-23377,
b. Repair of Right Gun Frame Assembly.
Class 2
WD 40 MIL-C-23411
Compound, Corrosion
Preventive
(1) Remove frame assembly (3, figure 1-1)
MIL-13-121,
from boresight assembly by disconnecting frame
Barrier Material
Grade A
assembly fitting and removing assembly.
PPP-T-60,
Tape, Pressure Sensitive
Type H
(2) Dent repair.
(a) Using scouring pads, remove paint from
NOTE
dent and surrounding area.
Parts replacement is required when
(b) Replace part if cracked.
damaged to the extent that boresight
a s s e m b l y self-alignment cannot be
(c) If dented only, paint cleaned area with
attained.
polyamide epoxy primer.
U n s e r v i c e a b l e assemblies will be
shipped to depot for repair.
(3) Disassemble alignment assembly as
required to replace failed part. Refer to figure C-4
a. Repair of Main Frame Assembly.
for breakdown and parts identification numbers
unless otherwise indicated.
(1) Remove main frame assembly (18, figure
1-1) from boresight assembly. Refer to Chapter 2,
(a) Remove alignment assembly fkom
frame by removing three bolts(1) and washers (2).
NOTE
(b) Remove two nuts (11) and setscrews
No disassembly of main frame assembly
(10) and remove base plate assembly (15). Remove
is allowed.
setscrew (14) and nut (12) from base plate.

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