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APU PRESERVATION FOR STORAGE OR SHIPMENT | Up
TM-55-2835-208-23 Transportability Guidance Small Emplacement Excavator (SEE) High Mobility Entrencher (HME) High Mobility Material Handler (HMMH) Manual | Next
REMOVE APU FROM ASSEMBLY FIXTURE |
TM 55-2835-208-23
1-37. APU PRESERVATION FOR STORAGE OR SHIPMENT (Continued)
1- 7
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14.
Apply 30 psig air or nitrogen (E3) (5) to
fuel inlet filter (6) until fuel system is purged
of fuel.
Disconnect connectors P305 (7) and P306
(8), Apply 28 vdc (T15) to start (9) and
main fuel (10) solenoid valve connectors,
J305 (11) and J306 (12).
Connect gravity feed oil supply (E27) to
fuel inlet filter (6).
Turn rotor assembly, by hand, counter-
clockwise until oil flows freely (no air) from
drain lines.
Disconnect 28 vdc (T15) from start (9) and
main fuel (10) solenoid valves. Connect
connectors P305 (7) and P306 (8).
Disconnect drain lines and oil supply at air
inlet filter (6).
Connect start fuel line (1) to start fuel noz-
zle (2).
Connect main fuel line (3) to fuel manifold
(4) .
Drain APU oil (Task 1-27).
Install inlet cover (T26) onto air inlet hous-
ing.
Install exhaust port closure (T27).
FOLLOW ON MAINTENANCE:
None
END OF TASK
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