TM 55-1520-240-23-8
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TEST FUEL FEED SYSTEM
(Continued)
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16.
Close valves (24 and 26). Open valve (24.1) and
regulate pressure to 30 psi. Open valve (24) and
stabilize pressure to 30 psi on gage (25). Close
valve (24).
17.
Wait 5 minutes and check gage (25). If gage
indicates 30 psi, go to step 19. If gage does not
indicate 30 psi, go to step 18.
CHECK NO. 2 ENGINE AND HEATER LINES FOR
LEAKS
18.
Check for leaks as follows:
a.
Check test connections upstream and
downstream of valves (24 and 26) and gage
(25). Use mixture of soap (E353) and water,
and brush (E85).
b.
Check connections at heater fuel solenoid
valve (27) between right main (28) and right
aft (29) tanks. Use soap and water solution
as in step 18a.
c.
Check No. 2 engine fuel feed connection at
check valve (30) and crossfeed motorized
shutoff valve (31). Use soap and water
mixture as in step 18a.
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