TM 55-1520-240-23-6
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EXTENSIBLE LINK ACTUATOR CYLINDER FUNCTIONAL TEST (AVIM)
(Continued)
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TEST 2
MANUAL CYCLING TEST
41.
Perform steps 1 thru 35. Check initial control and
valve settings in steps 20 and 21.
42.
Set electrical and hydraulic unit controls as
follows:
a.
Check RETURN SHUTOFF valve (38) is
OPEN.
b.
SOLENOID valve (50) to OPENED.
c.
SOLENOID SHUTOFF switch (35) to OPEN.
d.
RETURN SYS 1 valve (42) to RETURN.
e.
AFCS PRESS SYS 1 valve (44) to PRESS.
f.
Slowly turn HIGH PRESS REGULATOR
valve (49) towards INCREASE until HIGH
PRESS gage (51) indicates 600 psi.
g.
LINK TEST switch (29) to SELF FDBK.
h.
Slowly turn HIGH PRESS SHUTOFF valve
(48) one turn towards OPEN.
43.
Turn VALVE CONTROL (25) to RETRACT,
then NULL, then EXTEND and then back to
NULL three times. There shall be no binding
of extensible link.
44.
Slowly turn HIGH PRESS REGULATOR valve
(49) towards INCREASE until HIGH PRESS
gage (51) indicates 1500 psi.
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