M14 Entrance: Protective, Pressurized, Collapsible

TM 43-0002-31

move upwind of the site, personnel must wear

3-21. M14 Entrance: Protective, Pressurized,

protective clothing and masks.

Collapsible

a. Priorities for Destruction:

(1) Fabric enclosure and frame.

(1) Blower fan.

b. Preferred Methods of Destruction: Mechanical

(2) Filters.

means, demolition, and fire.

(3) Power distribution unit

c. Mechanical Means: See paragraph 2-8.

(4) Compartment control module

d. Demolition (para. 2-11): Fasten 1/4 pound

(5) Airflow valve and silencer

explosive charge to the following locations.

(6) Housing Unit -(M59 GPFU & M84 GPFU

200 cfm only)

b. Preferred Methods of Destruction. Mechani-

cal means, demolition, and fire.

c. Mechanical Means. See paragraph 2-8.

d. Demolition (para 2-11). Fasten explosive

charges at as many of the following locations as

time permits. Detonate all charges at the same

time.

(1) Filter unit. Place 1-pound charge on top

Figure 3-25. Explosive Charge Locations

for the M14 Protective Entrance.

Figure 3-26. Explosive Charge Location for

e. Fire (para. 2-14): Fasten incendiary grenade

Filter Unit - M56 Gas-Particulate Filter Unit.

at each location specified for charges above and

(2) Power distribution unit. Place 1/4 pound

ignite by using lanyards.

charge on top (fig 3-27).

3-22. Filter Unit, Gas-Particulate: 200 cfm, 208V,

400 HZ, M56.

When using demolition or fire as a method of

destruction for chemically contaminated equip-

Figure 3-27. Explosive Charge Location for Power

ment (alarms, filters, etc). personnel should

Distribution Unit - M56 Gas-Particulate Filter Unit.

mask and move upwind of the site. If unable to

3-14

Change 1