CHAPTER 6
DEMOLITION TO PREVENT ENEMY USE
159. Demolition by Explosives or Weapons Fire
157. General
a. Demolition by Weapons Fire.
Fire on the
When capture or abandonment of the lubricating unit
to an enemy is imminent, the responsible unit commander
lubricating unit with the heaviest practical weapons
must make the decision either to destroy the equipment or
available. Direct fire at engine, fuel tank, compressor, air
to render it inoperative. Based on this decision, orders
receiver, and lubricant pumps.
are issued which cover the desired extent of destruction.
b. Demolition by Explosives. Place as many of the
W hatev er method of demolition is employed, it is
following charges (fig. 42) as the situation permits and
essential to destroy the same vital parts of all lubricating
detonate them simultaneously.
units and all corresponding repair parts.
(1) A 1-pound charge between the engine
carburetor and cylinder.
158. Demolition to Render Equipment Inoperative
(2) A 1-pound charge on the aftercooler side of
the compressor near the cylinder head and
a. Demolition by Mechanical Means. Use sledge
between the low- and high-pressure
hammers, crow bars, picks, axes, or other heavy tools
cylinders.
which may be available, together with the tools normally
(3) A 1-pound charge against the air receiver
included with the unit, to destroy the following:
tank, between the tank and the hose reels.
(1) The engine blower housing, carburetor, and
(4) A one-half pound charge between each hose
flywheel.
reel.
(2) The compressor intake and exhaust valves,
(5) A one-half pound charge on top of each
flywheel, air manifold, gage, unloader pilot,
lubricant pump.
and valves.
(3) The engine and compressorcylinder heads.
160. Other Demolition Methods
(4) The air receiver and lubricant tanks.
b. Demolition by Misuse. Perform the steps listed
If the situation prevents employing either of the
below to make the unit inoperative.
preferred demolition methods, use the following methods,
either singly or in combination.
(1) Drain the compressor crankcase.
a. Scattering and Concealing.
Remove easily
(2) Throw sand or other abrasive into the
removable vital parts such as the carburetor, magneto,
control mechanisms, and pumps. Scatter these parts
(3) Pack the compressor cylinder head cooling
through dense foliage, bury them in dirt or sand, or throw
vanes with grass, leaves, straw, dirt, or
them in a lake, stream, or other body of water.
similar material.
b. Burning. Pack rags, clothing, or canvas around
(4) Start the engine, and fully open the throttle.
the engine, compressor, and hose reels. Saturate this
(5) Operate until the compressor unit fails.
packing with gasoline or other
(6) Cut and burn the drive belts. Apply the
same procedures as outlined for compressor
demolition ((1)-(5) above) to the engine.
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