MIL-PRF-62411/1A(AT)
NO LEAKAGE ALLOWED FROM
PRESSURE REGULATED
SIDEPLATES. BLEED AIR
ROOM TEMPERATURE
PANS. OR WELDS.
AIR OR NITROGEN
PRESSURE SOURCE.
SHUTOFF
VENT
VALVES
FAN AIR PORTS OPEN.
SMALL AMOUNT OF LEAKAGE FROM FAN
PRESSURE
AIR INLET OR OUTLET IS
GAGE
ACCEPTABLE, SUBJECT TO THE LIMITS
SPECIFIED FOR THE INTERNAL
LEAKAGE TEST.
WATER
FILLED
ONE BLEED AIR
TANK
PORT CONNECTED
TO A PRESSURE
SOURCE.
PRESSURE MAY BE
APPLIED TO EITHER
BLEED AIR PORT
BLEED PORT
CAPPED
BLEED PORT
CAPPED
FIGURE 4. Leakage test setup.
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