TM 55-2835-209-23
1-28 PREPARATION FOR STORAGE OR SHIPMENT (CONT)
5.
6.
7.
8.
9.
Engine fuel is toxic. To pre-
vent personnel injury, avoid
contact with eyes and repeated
or prolonged contact with
skin.
Compressed air is dangerous
when directed toward yourself
or another person.
The air-
stream or material blown by
the airstream can cause inju-
ry, particularly to the eyes
and face.
Use goggles to pro-
tect eyes and face. Do not
exceed 30 PSI. Do not direct
airstream toward yourself or
another person.
Apply 30 PSIG of filtered air to
fuel control assembly inlet port
(union in fuel control lower cover)
until fuel system is purged of fuel.
Connect gravity feed lubricating oil
(D17) supply to fuel control assem-
bly inlet port.
Rotate compressor and turbine rotor
(clockwise from rear of APU) by hand
until oil flows freely (no air) from
drain line.
Remove 28 vdc from fuel solenoid
valve.
Disconnect qravity feed lubricating
oil supply from fuel control assem-
bly inlet port.
10.
Connect fuel solenoid valve elec-
trical connector.
11.
Connect fuel manifold assembly to
fuel nozzle assemblies (Task 4-18).
12.
Be sure fuel control lower cover is
free of debris.
Install fuel con-
trol upper cover (Task 4-9).
12.1.
Drain APU oil (Task 6-2).
13.
Place a red tag on APU stating:
APU FUEL SYSTEM PRESERVED WITH LU-
BRICATING OIL, MIL-L-6081; FLUSHING
REQUIRED BEFORE STARTING, APU OIL
HAS BEEN DRAINED.
14.
For short term storage, install
cover and seal APU inlet with bar-
rier material (D3). Secure barrier
material with pressure sensitive
tape (D38).
REMOVAL
Remove APU from maintenance stand (Task
2-1).
INSTALL
Install APU in shipping container (Task
2-2).
FOLLOW-ON MAINTENANCE: None.
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