Replacement of Ballistic Cover Gasket cont'd

TM 9-1240-369-34

If the receiver is alined to the transmitter, the burn spot

(10) Adjust direction of the transmitter beam by

will be coincident with the reticle when viewed through

turning the tipper and lower left adjustment screws as

the eyepiece. If receiver is aline(d to the' transmitter.

required to make the burn spot coincident with the reticle

proceed with step (14). If receiver is not alined to the

seen in the eyepiece. Turning the upper adjustment

transmitter, continue with step ()1.

screw clockwise directs the burn spot downward.

Turning the lower left adjustment screw clockwise directs

the burn spot to the left.

NOTE

(11) Tighten expander screws.

The

receiver-transmitter

unit

(12) Perform steps (7) thru (11) until alinement

alignment

accomplished

is accomplished.

adjusting screws on transfer prism

(13) Tighten expander screws to 10 to 12 inch-

assembly No. 1 (see fig. 3-7).

pounds. Apply blue Glyptal to the adjustment screws.

(14) Remove four screws and lens assembly.

(9) Loosen the tipper and lower left expander

(15) Install ballistic cover assembly as

screws using boresight tool (5, table 2-3).

(16) Remove receiver-transmitter unit from hot

CAUTION

mock-tip.

Do not loosen or adjust lower right

(17) Purge receiver-transmitter unit in

screws which act as a pivot point.

accordance with TM 9-2350-230-12.

3-21