Heater, Water, Liquid Fuel, M2

TM 746-10

the length of the chest from each end. When the

(e) Repair parts and tools. Preserve parts

original chest is not available, fabricate a wood box and

and tools, as applicable, with P-2 preservative

block and brace the disperser within the box with wood

compound and wrap each item with waterproof,

or fiberboard.

greaseproof barrier material. Secure barrier material in

(b) M3 and M5 dispersers.

Pack the

place with tape. Place the tools in the tool carrier and

stow along with the repair parts and technical

dispersers individually in a wood or plywood box.

publications inside the hose compartment of the heater.

Cushion and immobilize all items within the container.

Close container using cement-coated nails and apply %-

(f) Pump. Drain the fuel pump and add P-

inch galvanized steel strapping.

10. Activate the pump by hand while applying the

preservative oil to ensure coating of all interior surfaces.

Drain off all excess preservative oil. Apply P-10 to the

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

drain and filler plug threads. Seal off all other openings

mark the same as for serviceable, retrograde materiel,

using tape. Apply P-10 to all unpainted, exterior metal

as specified in b, above, except include condition code

surfaces of the pump.

"F" in the marking.

(3) Unit pack. Do not apply additional packaging.

(d) Serviceable materiel to be recycled.

Clean, dry, preserve, and pack per paragraph 4-138b

(4) Packing. Pack the heater within its original

and as specified in paragraph 3-3. Mark per paragraph

crate, if available. Otherwise, pack the heater within a

3-5 and MIL-STD-129.

fabricated, skid-base sheathed crate. Anchor the heater

4-139. Heater, Water, Liquid Fuel, M2

to the skid base using bolts, washers, and nuts. Place a

waterproof shroud over the heater after it is secured to

a. Serviceable retrograde materiel.

the skid base, using all-temperature, flexible barrier

(1) Cleaning and drying.

Clean all

material. Secure the shroud to the bottom of the heater

component items of the heater using process C-1.

using tape.

Clean exterior of the water heater with water under

b. Unserviceable,

economically

reparable

pressure or steam.

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

CAUTION

mark the same as for serviceable, retrograde materiel,

Do not direct water under pressure,

as specified in paragraph 4-139a, except include

steam, or compressed air into

condition code "F" in the marking.

precision equipment or instruments.

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

(2) Preservative application.

preserve, and pack per paragraph 4-139a. Mark per

(a) Boiler (low-pressure). Preserve the internal

paragraph 3-5.

area of the boiler with P-9 by spraying, fogging, or filling

with the preservative. Drain boiler of excess oil. Touch

4-140. Alarm, Chemical Agent

up chipped or scratched painted surfaces with paint of

a. General. This paragraph pertains to portable

the same type and color originally applied. Apply P-9 to

and automatic chemical agent alarms M8 through M18.

all exposed metal and threaded surfaces. Seal all

b. Serviceable retrograde materiel.

threaded openings by applying metal or plastic plugs or

tape.

(1) Cleaning and drying. Clean and dry all

(b) Removable panels. Remove the panels from

component items of the alarm system using cleaning

the heater and coat the fasteners with P-9. Remove the

process C-1 and drying procedure D-4.

excess oil and place the panels back on the heater;

(2) Preservative application. Paint all areas

secure the panel fasteners. Cover the seams around

of the alarms where paint has been scratched or

the doors using tape.

scraped off using the same type and color originally

(c) Electrical system and components (nonre-

applied. Cover all electrical connectors with caps

movable). Cover the heater electrical components with

provided and cover all electrical connectors without

caps with tape.

waterproof barrier material and secure in place with

tape. Cover exposed ends of all electrical wiring

(3) Unit pack. Unit pack the components

terminals with tape.

listed in the following subparagraph method III.

(d) Instrument panel.

Cover and protect the

Individually wrap the components in greaseproof,

waterproof barrier material and secure with tape. Place

instrument panel using cellulosic cushioning material.

each component in a water-resistant fiberboard box and

Secure the cushioning material in place using tape.

cushion with a minimum of 1-inch thick

4-75