lever (5). One pump lever (2) is operated by
the hand driven reciprocating pump to the neck
a removable pump lever handle (14). One pre-
end of the inverted large and small tubes. The
formed packing and applicable packing rings
tubes are open at the top to teat fluid can be
are used with the pump to insure pressure
added to record the test fluid level changes on
sealed connations. The pump is mounted on
the scale and to observe the steady flow of air
top of a tank (16) which has a capacity of ap-
bubbles in the tubes. The large tube is used to
proximately 350 cubic inches and provides the
test portable fuel and chemical agent tanks and
reservoir of test fluid for the tests. A tank
associated hose and gun groups. The small
drain plug (15) is provided for draining the
tube is used to test portable pressure tanks and
tank. One 90 pipe elbow (17) screws (3/8-18
high pressure sphere assemblies. The large
NPT) into the side of the pump chamber. A
tube is 1.75 inches in diameter and the small
pipe nipple (18) is 8 inches long and screws
tube is 1 inch in diameter. Both tubes are 21.6
(3/8-l8 NPT) into the other end of the pipe
inches long.
elbow. A bleeder valve (19) is installed be-
c. Hand Driven Reciprocating Pump. T h e
tween the 8-inch pipe nipple and a pressure
hand driven reciprocating pump (3) contains
gage (1) which is scaled from 0 to 6,000 psi.
two single action plunger type cylinders. The
The pressure gage scale has 120 intermediate
pump will deliver up to 6,000-psi discharge
graduations, figure intervals of 500, and is ap-
pressure and contains a pressure release control
Figure 3. M5 test set fittings.
6
