TM 55-1520-240-23-6
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BLEED UTILITY RESERVOIR/COOLER, APU PUMP/MOTOR AND PUMP (WITHOUT
EXTERNAL POWER)
(Continued)
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20.
Working from ramp, loosen nut (33) of
PRESSURE tube (34) at manifold (25). Let fluid
flow until air-free. Tighten nut.
21.
Repeat steps 1 and 2.
22.
Working at right side of pylon, loosen nut (34) of
pressure tube (35) at reservoir/cooler (10). Let
fluid flow until air-free. Tighten nut.
23.
Repeat steps 1 and 2.
24.
Working in cockpit, set APU switch (36) on
ELECT panel (37) to START.
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