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Display Library/Sub
No. Test No. Nominal LL UL Description Notes
2.46 22 Aileron
Control
(-111 FCC)
(-113 FCC) 22.1 0.0 -0.644 0.644 AP Actr 20 Null of actuator with
no command.
2.47
(-112 FCC)
(-114 FCC)
(-214 FCC)
(-314 FCC) 22.2 0.0 -0.456 0.456 SA Actr 1F LVDT bias is
applied by STIM
805-9, surface will
be driven to a new
position such that
actuator LVDT
feedback cancels
bias.
22.5 H 0000 Roll 812-3=0 Checks roll CWS
CWS O/D force sensor to
FCC.
22.6 H 0008 Roll 812-3=1
CWS O/D
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Display Library/Sub
No. Test No. Nomin LL UL Description Notes
al
2.47 29 Stab Trim
(-111 FCC) 29.1 -1.627 -2.585 -1.40 NSS Demod 1C NSS
(-113 FCC) 29.2 0.0 -0.35 0.35 Trim Demod 8C NSS and
elevator surface
position.
2.48 Demod
(-112 FCC)
(-114 FCC)
(-214 FCC)
(-314 FCC) 29.3 -0.48 -0.96 +0.10 Difference
between
elevator surface
position and
NSS elevator
surface position
output.
29.4 -3.4 -5.5 -1.0 Trim ASTP 8B Checks trim
circuitry through
ASTP.
29.5 1.07 .75 1.33 Trim Demod 8C Checks trim
circuitry to a
point before
ASTP (elevator
is driven with
larger ampl. and
opposite sign
than test 29.4).
512
Feb 20/89 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 22-11-01 Page 165
Display Library/Sub
No. Test No. Nominal LL UL Description Notes
2.47 29.6 -8.81 -9.99 -5.50 Trim ASTP 8B ASTP failure
2.48 isolated same
(Continued) test as 29.4 by
reading both
sides of ASTP.
Signal same as
test 29.5
however, after
reading CWS
stim removed for
2 sec. Nose up;
trim.
29.7 8.81 6.00 9.99 Trim ASTP 8B By reading both
sides of ASTP.
ASTP failure
isolated.
Identical to 29.6
except for sign,
CWS stun
removed for 3
sec. Nose down
trim (3 sec. To
compensate trim
motor
momentum).
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BITE TEST RESULTS TABLE
Display No. 2.47 2.48 (Continued) Library/Sub Test No. 29.8 Nominal -0.36 LL -0.55 UL -0.16 Description APP INTG 81 Notes Failure effects pitch approach performance. Checks the trim negate signal to approach integrator.
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