737-300/400/500
MAINTENANCE MANUAL
TRIM
UNITS
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
STAB LE POSITION
3` UP
2` UP
1` UP
0`
1` DOWN
2` DOWN
3` DOWN
4` DOWN
5` DOWN
6` DOWN
7` DOWN
8` DOWN
9` DOWN 10` DOWN 11` DOWN 12` DOWN 13` DOWN
14` DOWN
"B" DIM FWD
45.84 (REF) BALLNUT AGAINST STOP
44.42 43.00 41.57 "B" DIMENSION 1 TRAMMEL BAR
40.15
38.71
37.28
35.84
34.40
32.96 31.51 30.06 STABILIZER TRIM JACKSCREW EDGE AT ZERO DEGREES SHOWN WITH STABILIZER LEADING
28.61
27.16
25.70
24.24
22.79
BALLNUT AGAINST STOP 21.32 (REF) 1 "B" DIMENSION IS MEASURED BETWEEN CENTER OF UPPER AND LOWER GIMBAL PINS
Stabilizer Trim Jackscrew Setting
Figure 502
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737-300/400/500MAINTENANCE MANUAL
8) Make sure the rig pins E-2 and E-3 move freely through the installation holes of the shoulder bolts (Fig. 504).
9) Make sure the tension in cables EAR, EBR, EAL, and EBL is in +/- 10 pounds of the table value at the ambient temperature (Fig. 501).
(g) Adjust the control cables EA and EB to their correct cable rigging tension: 1) Remove the bolts from the adjustable ends of the pitch
force tranducer.
2) Use the turnbuckles to adjust the cable tension to the value for ambient temperature (Fig. 501).
3) Check the neutral position. a) Make sure the rig pins E-1, E-2, E-3, and E-5 move
freely. 4) Adjust the pitch force transducers (AMM 22-11-92/501). 5) Connect the pitch force transducers. 6) Remove the rig pins E-2 and E-3. 7) Install the shoulder bolts. 8) Install the locking clips on all the turnbuckles. 9) Remove the rig pins E-1 and E-5.
S 225-114
(5)
Check for proper location of the Index Plates. (AMM 27-31-81/401)
S 825-042
(6)
AIRPLANES WITHOUT THE MECHANICAL STOP ON THE ELEVATOR BUS CRANK; Adjust the elevator pushrods:
(a)
Make sure that the elevators are adjusted correctly at the neutral position: 1) Hold the right elevator with the trailing edge aligned with
the index mark (Fig. 505).
NOTE: Measurements are done by a straight line point to
____ point from the center of the index mark to the upper aft inboard edge of each elevator.
2) Make sure the trailing edge of the left elevator aligns with the index mark in 0.12 inch or less.
(b)
If the elevators are not adjusted correctly at the neutral position, adjust the elevator (Fig. 505): 1) Install the rig pin E-5 in the aft control quadrant. 2) Do this task: "Power Control Unit Removal" (AMM
27-31-14/401) to remove the right PCU. 3) Install the rigging and restraining tool in the position of the right PCU.
(c)
Make sure the right elevator aligns with the index mark in 0.12 inch or less.
(d)
If the elevator does not align, adjust the right rod end fitting: 1) Remove the bolt that attaches the elevator pushrod to the
crank of the output torque tube.
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A
737-300/400/500
MAINTENANCE MANUAL
AUTOPILOT
B ACTUATOR
OUTPUT
TORQUE
TUBE
NEUTRAL
SHIFT
SENSOR
MACH TRIM
ACTUATOR
AUTOPILOT A ACTUATOR
ELEVATOR A PCU
FEEL AND CENTERING UNIT
ELEVATOR
STABILIZER B PCU
POSITION SENSOR
INPUT TORQUE TUBE AFT CONTROL QUADRANTS
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本文链接地址：737-300 400 500 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(105)
