Installation - TM-9-1240-311-340015

d. Installation.

b. Inspection. Inspect the packing, check for wear

(1) Apply a thin film of grease, MIL-G-4343, to

all surfaces of packing (14).

c. Cleaning. Clean packing in warm water with a

(2) Install packing into groove of the reticle

assembly housing.

mild soap. Dry thoroughly.

(3) Position reticle assembly (15) under the

filter housing, secure with washer (13) and screw (12).

d. Repair. Repair is limited to replacement of the

packing and hardware.

3-9.

Replacement of Deflection and Elevation

e. Installation.

Boresight Housing Packing (Fig. 3-5)

(1) Apply a thin film of grease, MIL-G-4343, to

all surfaces of packing (4).

a. Disassembly.

(2) Install packing into groove of control

(1) Remove items 1 and 2.

housing assembly (3).

(2) Carefully

separate

control

housing

(3) Position locating pins on the control

assembly (3) from the main housing.

housing assembly over locator holes in the main

(3) Peel packing (4) from groove of the control

housing, push in until surfaces mate. Position washer

housing.

Do not remove locating pins (5) unless

(2), and secure with screw (1).

damaged.

1 - Screw, 8-32 x 1/2, (6),

3 - Housing assembly, control,

4 - Packing, 3.875 id, 8624710-5

MS5197-45

8624502

5 - Pin, 1/8 x 5/8, (2), MS16555-27

2 - Washer, lock No. 8, (6),

MS35333-72

Figure 3-5. Conventional boresight control housing assembly-partial exploded view.

3-7