Flame-thrower, Portable, M2A1-7 and M9E1-7

TM 746-10

b. Unserviceable,

economically

reparable

EXERCISE CAUTION

retrograde materiel. Clean, dry, preserve, pack, and

Do not direct water under pressure,

mark the same as for serviceable, retrograde materiel,

steam, or compressed air onto precision

as specified in this paragraph except include condition

components or instruments.

code "F" in the marking.

(2) Preservative application.

Repaint all

c. Serviceable materiel to be recycled. Clean, dry,

damaged portions of painted surfaces with the same

preserve, and pack per a. Mark per paragraph 3-5.

type and color paint originally applied.

Use P-2

4-142. Flame-thrower, Portable, M2A1-7 and M9E1-7

preservation compound to coat unpainted, exposed

metal surfaces including exposed threaded areas.

a. Serviceable retrograde materiel.

Close off all fuel valves and fill the fuel tank with P-10,

(1) Cleaning and drying. Prior to cleaning,

type I, grade 30. Open all fuel valves. Disconnect the

bleed air pressure from fuel and pressure tanks. Drain

flexible fuel tube from the flowjector and permit the

fuel tanks of residual fuel. Clean all exterior surfaces by

preservative oil to run through the flexible fuel tube.

wiping with a clean cloth. Clean hose by wiping with a

Close off fuel valves. Connect the flexible fuel tube to

clean cloth.

flowjector.

Tape all outlet nozzles and openings.

(2) Preservative application. Pour 1 quart of

Remove the engine head and dip it in P-10, grade 1,

P-10, grade 30, into fuel tanks and invert and shake

and permit the engine head to drain. Reinstall the

several times to coat interior of tanks. Connect the hose

engine head. Wrap spare engine heads removed from

and gun to the tanks and drain the oil through the hose

their original package in barrier material and tape

and gun into a container. Do not discard the oil because

securely.

the drained oil can be used for preserving other tanks.

(3) Packing. Pack the smoke generator in its

Disconnect the hose and gun from the tanks after they

original shipping crate (cleated-plywood), if available.

are preserved internally.

Otherwise, use a fabricated cleated plywood crate with a

(3) Unit pack. Seal all openings, couplings,

skidded base. Secure the smoke generator using hold-

and ends of hoses using tape.

down plates, nuts, and washers. Retract the carrying

(4) Packing. When original packing chests

handles and lock them in place with the locking pins

are available, pack each flame-thrower within the chest.

attached to the unit. Stow the hose on the frame and

Strap each packing chest using two 34-inch steel straps.

secure it using the spring fasteners furnished with the

In the event packing chests are not available, pack each

unit. Stow the flexible nozzle tube and bung wrench on

flame-thrower in a box fabricated from wood or plywood.

the base of the crate and secure them using the clamps

Block and brace the flame-thrower within each box

furnished with the unit. In the event the clamp or spring

using wood or fiberboard pads. Close the box and apply

fasteners are missing from the unit, secure the items

3/4-inch galvanized steel strapping.

using reinforced filament tape. Lower the top of the

b. Unserviceable,

economically

reparable

crate over the smoke generator and bolt it to the base of

retrograde materiel. Clean, dry, preserve, pack, and

the crate using lag bolts and washers.

mark the same as for serviceable retrograde materiel,

b. Unserviceable,

economically

reparable

as specified in a above, except include condition code

retrograde materiel. Clean, dry, preserve, pack, and

"F" in the marking.

mark the same as for serviceable, retrograde materiel,

c. Serviceable materiel to be recycled. Clean, dry,

as specified in a above, except include condition code

preserve, and pack per paragraph 4-142a. Mark per

"F" in the marking.

paragraph 3-5.

c. Serviceable materiel to be recycled. Clean, dry,

4-143. Generator, Smoke, Mechanical Pulse Jet,

preserve, and pack per a above. Mark per paragraph 3-

M3A3

a. Serviceable retrograde materiel.

4-144. Sampling Retrograde Materiel

(1) Cleaning and drying.

Clean all

a. Serviceable retrograde materiel.

components of the generator using process C-1; then

(1) Cleaning and drying. Clean all items by

dry, using procedure D-1 or D-4, as applicable. Clean

process C-1 and dry by procedure D-4.

nonmetallic items by wiping with a clean, dry cloth. In

(2) Preservation application.

Preserve all

the event steam, compressed air, or water under

bare metal surfaces with P-9. Wrap preserved items

pressure is used for cleaning the generator, adhere to

with greaseproof, waterproof barrier material and secure

the following precautionary note:

with tape. Place all items in their respective

4-77