DEMOLITION OF PUMP TO PREVENT ENEMY USE
(1) One 1/2 pound charge under mani-
When capture or abandonment of the pump
(2) One 1/2 pound charge on magneto.
to an enemy is imminent, the responsible unit
(3) One 1/2 pound charge on pump
commander must make the decision either to
(4) One 1/2 pound charge on right side
destroy the equipment or to render it inopera-
tive. Based on this decision, orders are issued
b. Weapons Fire. Fire on the pump with the
which cover the desired extent of destruction.
heaviest practical weapons available.
Whatever method of demolition is employed, it
is essential to destroy the same vital parts of all
145. Other Demolition Methods
pumps and all corresponding repair parts.
a. Scattering and Concealment. Remove all
easily accessible parts, such as the air cleaner,
143. Demolition to Render the
spark plugs, carburetor, magneto, and govern-
or and scatter them through dense foilage, bury
a. Demolition by Mechanical Means. Use a
them in dirt or sand, throw them in a lake,
sledge hammer, pickaxe, or any other heavy
stream, well, or other body of water,
tool which may be available to destroy the
b. Burning. Pack rags, clothing, or canvas
under and around the unit. Saturate this pack-
(1) Engine block and manifold.
ing with gasoline, oil, or diesel fuel and ignite.
(2) Carburetor, magneto, governor, and
c. Submersion. Remove the spark plugs
from the engine and totally submerge the unit
(3) The pump volute, check valve, and
in a body of water to provide water damage
and concealment. Salt water will do greater
b. Demolition by misuse. Perform the fol-
d a m a g e to metal parts than fresh water.
lowing steps to render the pump inoperative.
(1) Drain the oil from the engine crank-
All operators should receive thorough train-
(2) Remove the oil filler cap and place
ing in the destruction of the pump. Refer to
s a n d , dirt, or rocks in the engine
FM 5-25. Simulated destruction, using all of
the methods listed above, should be included
(3) Disconnect the governor control lever
in the operator training program. It must be
and allow the engine to operate at un-
emphasized in training that demolition opera-
governed speed until equipment falls.
tions are usually necessitated by critical situa-
tions when time available for carrying out de-
struction is limited. For this reason, it is
necessary that operators be thoroughly familiar
with all methods of destruction of equipment,
ing charges (fig. 41) as the situation permits
and be able to carry out demolition instructions
and detonate them simultaneously with deto-
without reference to this or any other manual.
nating cord and a suitable detonator.