Armament subsystems

TM 746-10

wood key blocks in the box corners to immobilize.

c. Armament subsystems. This instruction covers

Securely nail all blocking (fig 4-2 and 4-5.).

requirements for all armament subsystems. Refer to the

topical index of this manual for packaging instructions of

(12) Rack and support assemblies. Preserve

components which are common to more than one

and wrap per (11) above. Secure one rack and support

subsystem or end item. Disassemble components, as

assembly to a plywood side support with three bolts,

necessary, to accomplish thorough cleaning.

washers, and nuts. (Locate and support in a vertical

position-not flat.) Secure second rack and support

assembly in the same manner. Place framework and

CAUTION

the two racks and supports into a fiberboard box and

Do not submerge electric motors,

close with tape.

sealed bearings, cable assemblies,

or other electrical components in

(13) Control panels. No preservative required.

solvent.

Wrap each control panel in greaseproof

barrier material and secure with tape. (Sandwich panels

which have no outer metal protectors between two

(1) Machine guns. Package per paragraph 4-

pieces of fiberboard and secure fiberboard together with

102k.

tape.) Overwrap, as applicable, with cellulosic

(2) Grenade launchers.

Package per q(l)

cushioning and unit pack submethod IA-8. Place one

below).

control panel in a fiberboard box. Seal box with tape.

(3) Rocket launchers.

Package per q(2)

(14) Loose attaching hardware. Preserve all

below.

metal, loose attaching, hardware items such as bolts,

(4) Fire control and sighting equipment.

screws, nuts, washers, clamps, and brackets with P-9.

Package per the general provisions of paragraph 4-101

Unit pack hardware in a bag, submethod IC-1, clearly

and as otherwise listed in the topical index.

identified as to contents and parent item; component; or

(5) Turret assembly component. Preserve

assembly for which it is to be used for reassembly, and

unpainted, ferrous metal surfaces with P-9. Secure the

secure with tape or place adjacent to the mated item,

turret assembly to a plywood base with bolts, washers,

component, or assembly.

and nuts. Place the item and base in a wood or plywood

(15) System packing. Place all processed

box. Shroud the assembly with greaseproof barrier

components into a plywood box. Fill all container void

material and secure in place with tape. Locate four

with bound fiber or wood blocking, as applicable. Nail

wood key blocks in the box corners to secure the

all wood blocking securely.

assembly in place. Nail all blocking securely.

d. Armored reconnaissance vehicle, M551.

(6) Ammunition chuting. Wrap chuting in

(1) Gun launcher. CLean and dry the barrel

greaseproof barrier material and secure with tape.

bore and associated parts per paragraph 4-101b(3).

(7) Ammunition boxes.

Process per the

Retain gun launcher in battery with travel lock secured

general provisions of paragraph 4-101.

in locked position. Roll a strip of VCI into a tube, treated

(8) Junction boxes, intervolometers, and

side out. Insert rolled strip into gun launcher bore

electrical components. Do not apply preservatives.

extending entire length of bore and chamber. Fabricate

Wrap each item in greaseproof barrier and secure with

wood muzzle plug for the muzzle end. Wrap muzzle

tape. Overwrap item with cellulosic cushioning or bound

plug with greaseproof barrier and insert plug into barrel

fiber securing cushioning with tape.

Unit pack

bore. Secure in place with tape. Completely seal the

submethod IA-8. Place bagged item in a fiberboard box

point around muzzle plug and gun launcher with tape.

and seal with tape.

Place a polyethylene film bag over muzzle end of the

(9) Cable assemblies.

Package per

gun launcher and secure in place with tape. Run tape

paragraph 4-114.

lengthwise onto bag and 6 inches onto painted surfaces

of the gun launcher. Seal bag to cannon with tape.

(10) Recoil adapters, crossovers, feeders, and

Apply tape around the gun launcher onto both bag and

drive units.

Package per this paragraph and as

painted surfaces. Apply two 1-inch strips at equal

otherwise indicated in the general provisions of

intervals between muzzle end and the area where bag is

paragraph 4-101.

sealed to gun launcher.

(11) Mount assemblies (pylons).

Preserve

(2) Breech mechanism and coupling. Coat all

unpainted, ferrous metal surfaces with P-9. Wrap

unpainted surfaces including phosphated surfaces on

preserved surfaces with greaseproof barrier material

the breech coupling, breech chamber, and breech

and secure in place with tape. Secure one pylon to a

operating and firing mechanisms with P-11.

wood base with bolts, washers, and nuts. Place the

base and pylon in a wood or plywood box. Locate four

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