TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
TEST 13
LONGITUDINAL (PITCH) CPT NULL AND OUTPUT
TEST (BOTH)
73.
Set AFCS SYSTEM SEL switch (1) to 1 or 2.
(System under test.)
74.
Install control stick (32) in yoke (28).
75.
Set METER SOURCE switch (3) to CPT
MONITOR.
76.
Set CPT MONITOR switch (31) to
LONGITUDINAL. Read digital display (6).
Record reading.
77.
Install pitch quadrant (33) (Task 11-24).
78.
Retract upper and lower DASH actuator (16)
(Task 11-165).
79.
Adjust control stick (32) to obtain reading of step
76. Read digital display (6). Reading shall be
within 0.005 VAC of reading.
80.
Set control stick (32) to neutral on quadrant (33).
81.
Move control stick (32) aft to CPT NULL position
line on quadrant (33). Read digital display (6).
Reading shall be -.05 to +.05 VAC.
82.
Move control stick (32) full aft. Read digital
display (6). Reading shall be +2 to +4 VAC.
83.
Move control stick (32) full forward. Read digital
display (6). Reading shall be -4 to -6 VAC.
END LONGITUDINAL (PITCH) CPT NULL
AND OUTPUT TEST (BOTH)
11-1186
