(a)
Make sure all of the control surfaces are clear.
(b)
Supply hydraulic pressure (AMM 29-15-00/201).
(c)
Make sure that the fuel in each tank is 1675 lbs. (750 kgs).
(d)
Make sure the parking brake is on.
(e)
Make sure ELEC 2 HYD PUMP A is on.
(f)
Make sure that the FLT CONT A switch is in the ON position.
(g)
Make sure SPOILER A and B switches are in the ON position.
(3)
Push the LSK adjacent to (<CONTINUE) to show DFCS BITE TEST 51.01.
S 865-050
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S 825-051
(4) Do the instruction below as shown on the CDU:
(a) Set the horizontal stabilizer at 3 units of trim equal to the jackscrew "B" dimension of 41.57 |0.05 inches (AMM 27-41-00/501).
NOTE: One person must be in the tail with a headset and the
____
other person in the control cabin.
S 865-052
(5) Push the LSK adjacent to (<CONTINUE) to show ELEV RIG 51.02.
NOTE: BITE starts the mach trim actuator to move the unit to the
____ EXTEND position. After a short time the position will be shown on the CDU.
S 865-053
(6)
Move the control column, as shown on the CDU.
S 865-078
(7)
Push the LSK adjacent to (<CONTINUE) to show ELEV RIG 51.03.
NOTE: Use this display to make sure the mechanical offset of the
____ elevator at the stabilizer 3.0 units rig position is correct. The absolute elevator +4° position is the autopilot +2° position.
S 825-079
(8) Adjust the elevator position sensor
(a)
Make sure the trailing edge of the right elevator is in line with the tail cone index |0.06 inches.
(b)
Loosen the screw on the sensor clamp until you can turn the sensor.
(c)
Turn the sensor case slowly until the CDU shows -0.48 |0.05 volts.
(d)
Tighten the clamp screw to 8 to 12 pound-inches.
(e)
Remove the lockwire and turn the thumbnut on the microadjustment rod until you get a value of -0.48 |0.03 volts.
(f)
Put the lockwire through the thumbnut on the microadjustment rod.
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S 865-054
(9)
Make sure the sensor adjustment is correct while you continue the DFCS BITE TEST - ELEVATOR RIGGING through page 51.14.
S 865-055
(10)
Push the INIT REF key on the CDU to get out of BITE.
S 415-056
(11)
Install the access panel on the tail cone.
TASK 22-11-30-745-057
4. Elevator Position Sensor Test (BITE TEST)_____________________________
A. Access
(1) Location Zone
102 Control Cabin
B. DFCS BITE test.
S 865-060
(1)
Push the LSK adjacent to (<LRU INTERFACE).
S 865-058
(2)
Push the LSK adjacent to (<CHANNEL A and B).
S 865-059
(3)
Push the LSK adjacent to (<LRU INTERFACE TESTS 2/2).
S 865-061
(4)
Push the CDU NEXT PAGE key
S 865-062
(5)
Push the LSK adjacent to (<ACT POS SENS).
S 865-063
(6)
Make sure that BITE completes the sensor tests and that ELEV POS test are done without an indication of failure.
TASK 22-11-30-715-064
5. Elevator Actuator/Position Sensor - Manual Test_________________________________
A. References
(1)
AMM 12-31-41/201, Access Doors and Panels
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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 2(28)
