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TM 9-2330-272-14
2-15. OPERATING AUXILIARY ENGINE (Con’t).
(5) After engine (5) is started, allow a brief period for engine temperature to stabilize.
(6) Push in on choke control (6).
b. Operating.
(1) Check that engine oil pressure gage (2) stabilizes and system voltage gage (3) is in the green zone.
(2) Check alinement of engine and pump and inspect for fuel leakage and loose connections. Notify
Organizational Maintenance of any leaks or loose connections.
(3) To prevent overheating, keep cabinet doors open while engine (5) is running.
c. Stopping.
Set ignition switch (8) and panel power switch (7) to OFF position.
2-16. FILTER-SEPARATOR PRESSURE CHECK (M131A4C AND M131A5C).
a. M131A4C.
(1) Start auxiliary engine (para 2-15).
(2) Turn selector valve handle (1) on top of filter-separator case clockwise to inlet pressure position.
Record reading in daily log.
(3) Turn selector valve handle (1) counterclockwise to midsection pressure position. Record reading in
daily log.
(4) Turn selector valve handle (1) clockwise to closed position.
(5) Record difference in inlet pressure and midsection pressure.
(6) If there is no pressure, or if pressure differential IS greater than 15 psi (103 kPa), notify Organizational
Maintenance to replace filter elements and go-no-go fuses.
TA702652
2-27
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