TM-9-1290-262-24-P
AIMING CIRCLE, M2A2, W/E
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT,AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-1290-262-24-P - Page 64 of 192
ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
Section III. DIRECT
SUPPORT TEST AND ADJUSTMENT PROCEDURES
Section Index
Paragraph
Page
3-7. Test and Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-36
3-7.
TEST AND ADJUSTMENT PROCEDURES.
This task covers:
a. Adjustment of target
b. Backlash in elevation worm
c. Check of elevation worm torque
d. Backlash in azimuth worm
e. Backlash in orienting worm
f. Elevation stop mechanism
g. Magnetic needle repeatability test
INITIAL SETUP
Tools and Special Tools
.
Electronic system maintenance tool
Instrument and fire control shop set
0-80 in.-oz torque wrench
kit (SC 5180-95-CL-B29)
(SC 4931-95-CL-A07)
Pinned tubular wrench (fig. E-1, appx E)
Test target (fig. E-6, appx E)
Materials/Parts
Sealing compound (item 8, appx D)
References
TM 9-254
TM 9-1290-262-10
. .
Equipment Conditions
M2A2 aiming circle mounted on tripod and leveled (TM 9-1290-262-10)
3-36
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