G. Flight Director Test (Group 12)
S 745-007
(1)
Push the LSK adjacent to <FLIGHT DIRECTOR to start the flight director interactive and surface tests.
S 745-008
(2)
Do the steps 2.F.(2) thru 2.F.(3) again for the flight director interactive and surface tests.
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737-300/400/500MAINTENANCE MANUAL
H. Mach Trim Tests (Group 13)
S 745-009
(1)
Push the LSK adjacent to <MACH TRIM to start the mach trim surface test.
S 745-147
(2)
Do the step 2.F.(3) again for the mach trim surface test.
NOTE:____There is no Mach Trim Interactive Test. The DFCS BITE will go directly to the Mach Trim Surface Test.
I. Speed Trim Tests (Group 14)
S 745-010
(1)
Push the LSK adjacent to <SPEED TRIM to start the speed trim interactive and surface tests.
S 745-124
(2)
Do the steps 2.F.(2) thru 2.F.(3) again for the speed trim
interactive and surface tests.
J. Altitude Alert Test (Group 15)
S 745-011
(1)
Push the LSK adjacent to <ALTITUDE ALERT to start the altitude alert interactive test.
S 745-012
(2)
Do the step 2.F.(2) again for the altitude alert interactive test.
NOTE:____There is no altitude alert surface test. The BITE will go directly to * END OF DFCS BITE *.
K. Put the Airplane Back to Its Initial Condition
S 865-014
(1)
Push one of the two autopilot disconnect switches.
S 865-013
(2)
Close the AURAL WARN circuit breaker on the P6-2 Circuit Breaker Panel.
S 865-015
(3)
Close the STAB TRIM circuit breaker on the P18-0 Circuit Breaker Panel.
S 745-016
(4)
Push the INIT/REF key on the FMCS CDU keyboard to get out of the BITE.
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S 865-017
(5)
Remove hydraulic power if it is not necessary (AMM 29-15-00/201).
S 865-018
(6)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 22-11-00-735-019
3. System Test - Digital Flight Control System___________________________________________
A. General
(1)
The system test of the DFCS gives a procedure for each interface test of the DFCS. This task supply a test of all the BITE in the DFCS.
(2)
The DFCS system test includes:
(a)
Option Pin Check
(b)
BITE Ground Functional Test
(c)
Wheel Spin Up Test
(d)
Power Bus Transfer Test
(e)
Bus Isolation Test
(f)
Circuit Breaker Interface Test
(g)
Air/Ground Discrete Test
(h)
HSI Switch Position Test
(i)
L-NAV Input Test
(j)
Baro Input Test
(k)
Mach Trim Schedule Test
(l)
Maintenance Monitor Test
(m)
Flap Switch Rigging Test
(n)
Sensor Excitation Test
(o)
Spoiler Position Sensors Test
(p)
Master Caution Test
B. Standard Tools and Equipment
(1)
Test Set - Ramp and Bench; Coling type 972Q-4 or Instrument Flight Research type NAV-401L
(2)
Pressure Source - Dry Air; 0 to 5 psi, F72928-33 with gage and fittings (to connect to the pitot tubes of the feel system)
(3)
Voltmeter - Digital; battery powered, Fluke Model 27STD
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本文链接地址：737-300 400 500 AMM 飞机维护手册 自动飞行 AUTOFLIGHT 1(49)
