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 90 of 192
ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
4-3. ELBOW TELESCOPE—MAINTENANCE
REASSEMBLY (cont)
15
Loosely install objective assembly (18).
16 Install reticle assembly (19) with etched
side facing prism and illumination slot
facing window (2).
17 Loosely install externally threaded ring (20)
and four setscrews (21 ).
18 Loosely install eyepiece assembly (22).
NOTE
Leveling and optical elements will be
tightened and seated after elbow
telescope assembly is assembled to
the aiming circle and all adjustments
performed. Purge and charge, refer
to TM 750-116.
INSTRUCTIONS (cont).
Section III.
GENERAL SUPPORT TEST AND
Section Index
Paragraph
4-4.
Test and Adjustment Procedures . . . . . . . . . .
4-4. TEST AND ADJUSTMENT PROCEDURES.
ADJUSTMENT PROCEDURES
This task covers:
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
Setting up azimuth test fixture
Installing and leveling aiming circle on azimuth test fixture adapter
Eyepiece focus
Parallax of objective assembly
Parallax of magnifier assembly
Definition
Reticle tilt
Reticle illumination
Collimation
Circular error test
Lift test
Page
. . . . . . . . . . . . . . . . . . . . .
4-16
4-16
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