Boresight Collimator Test Set Accuracy

Calibration Procedure For Test Set, Boresight Collimator, Ts-3784/Tas Page Navigation
16

TB 9-5855-1891-40

b. Adjustments

(1) While viewing through EYEPIECE (fig. 6) look for BRIGHT GREEN DOT (fig. 5).

(2) Loosen COARSE ADJUSTMENT SCREW LOCKNUT and adjust COARSE

ADJUSTMENT SCREW to center BRIGHT GREEN DOT on reflection of your eye (fig. 5).

(3) While viewing through EYEPIECE, turn COARSE ADJUSTMENT SCREW

(fig. 5) until STATIONARY RETICLE REFLECTED IMAGE (fig. 6) is in field-of-view.

(4) While viewing through EYEPIECE turn COARSE ADJUSTMENT SCREW

(fig. 5) to adjust elevation setting and azimuth setting of STATIONARY RETICLE

REFLECTED IMAGE (fig. 6) to read between 4 arc-minutes and 6 arc-minutes on

NUMBER MARKINGS (fig. 6) (R).

(5) Tighten COARSE ADJUSTMENT SCREW LOCKNUT (fig. 5).

(6) Loosen two screws on COARSE ELEVATION ECCENTRIC PIVOT (fig. 11).

NOTE

Make all adjustments slowly to ensure STATIONARY

RETICLE REFLECTED IMAGE passes through FIELD-OF

(7) Loosen COARSE ELEVATION ECCENTRIC PIVOT LOCKNUT (fig. 11).

(8) Look through EYEPIECE, alternately adjust AZIMUTH STOP SCREW (fig. 12),

and adjust COARSE ELEVATION ECCENTRIC PIVOT until STATIONARY RETICLE

REFLECTED IMAGE is seen in FIELD-OF-VIEW but not on top of STATIONARY

RETICLE (fig. 11) (R).

(9) Hold COARSE ELEVATION ECCENTRIC PIVOT while tightening COARSE

ELEVATION ECCENTRIC PIVOT LOCKNUT (fig. 11).