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 INSTRUCTIONS (cont).
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.
Section III. GENERAL SUPPORT TEST AND ADJUSTMENT PROCEDURES
Section Index
Paragraph
Page
Test and Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This task covers:
Setting up azimuth test fixture
a.
Installing and leveling aiming circle on azimuth test fixture adapter
b.
Eyepiece focus
c.
Parallax of objective assembly
d.
e.
Parallax of magnifier assembly
f.
Definition
g.
Reticle tilt
h.
Reticle illumination
i.
j.
Circular error test
k.
Lift test
