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 TM 9-2815-220-24
ENGINE LEAK TEST
0038 00
TEST
CAUTION
Make sure regulator is turned all the way down (counterclockwise)
before air supply is attached so that seals in the engine will not be
damaged. Do not let pressure go above 6 inches mercury (Hg).
1. Attach regulator assembly (7) to an air supply.
a. Slowly adjust air pressure until manometer (13) reaches and stabilizes at 6 inches Hg.
2. Close air valve adapter (5) and observe manometer (13) for 3 minutes.
a. If manometer looses more than 0.9 inches Hg in 3 minutes, check for leaks with water and
soap solution.
b. When leaks are found, shut off air supply and repair leaks. Refer to the appropriate section
of this manual for repair.
c. Repeat steps a and b until pressure loss is less than 0.9 inches Hg in a 3-minute period.
7
13
5
WP 0038 00-4
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