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TASK 27-21-00-800-801.
SUBTASK 27-09-71-820-007
(2) Adjust the rudder trim:
(a) Trim until the rudder trim indicator is ±0.25 units of the position noted on the flight squawk.
(b) Loosen the two index plate screws on the tailcone.
(c) Put the index plate at a position where the two sides of the rudder trailing edge are within
the width of the tab on the index plate.
(d) Tighten the index plate screws.
SUBTASK 27-09-71-820-008
(3) Use the rudder trim knob to set the trim to indicate zero.
(a) Make sure you can install the rig pin, R-5.
SUBTASK 27-09-71-860-010
(4) Do this task: Remove Pressure from the Rudder Hydraulic Systems A, B, and Standby,
TASK 27-21-00-800-802.
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SUBTASK 27-09-71-820-009
(5) Adjust the input of the main power control unit (PCU) to align the rudder with the new index
position. To do this, do this task: Control Rod for Main Rudder Power Control Unit Adjustment,
TASK 27-21-00-820-809-001 or Control Rod for Main Rudder Power Control Unit Adjustment,
TASK 27-21-00-820-809-002.
SUBTASK 27-09-71-820-010
(6) Adjust the input of the standby PCU to align with the main PCU. To do this, do this task: Control
Rod for Standby Rudder Power Control Unit Adjustment, TASK 27-21-00-820-810-001 or
Control Rod for Standby Rudder Power Control Unit Adjustment, TASK 27-21-00-820-810-002.
SUBTASK 27-09-71-820-011
(7) Adjust the input of the rudder position sensor to align the rudder with the new index plate
position.
SUBTASK 27-09-71-720-001
(8) Do this task: Rudder Travel Test, TASK 27-21-00-700-817-001 or Rudder Travel Test,
TASK 27-21-00-700-817-002.
------------------------- END OF TASK ---------------------------
TASK 27-09-71-860-802
6. Rudder Trim Adjustment for Power Off Discrepancy Correction
A. References
Reference Title
27-21-00-820-810-001 Control Rod for Standby Rudder Power Control Unit Adjustment
(P/B 501)
27-21-00-820-810-002 Control Rod for Standby Rudder Power Control Unit Adjustment
(P/B 501)
B. Location Zones
Zone Area
320 Subzone - Vertical Fin and Rudder
325 Vertical Fin - Rudder
C. Procedure
SUBTASK 27-09-71-820-012
(1) Do a check of the standby rudder standby power control unit adjustment. To do this, do this task:
Control Rod for Standby Rudder Power Control Unit Adjustment, TASK 27-21-00-820-810-001
or Control Rod for Standby Rudder Power Control Unit Adjustment,
TASK 27-21-00-820-810-002.
------------------------- END OF TASK ---------------------------
TASK 27-09-71-970-801
7. Flight Controls Adjustment Record
GUN 001-099, 101-122, 156, 157, 201-999
NOTE: See Figure 510.
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GUN 001-099, 101-122, 156, 157, 201-999 (Continued)
GUN 155
NOTE: See Figure 511.
GUN ALL
A. Location Zones
Zone Area
190 Subzone - Wing-to-Body Fairing
300 Empennage
500 Left Wing
600 Right Wing
B. Procedure
SUBTASK 27-09-71-970-013
(1) You can use this figure to record the initial rigging condition of the flight control surfaces.
------------------------- END OF TASK ---------------------------
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Flight Controls Surface Mismatch Record
Figure 510/27-09-71-990-812
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Flight Controls Surface Mismatch Record
Figure 511/27-09-71-990-817
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Flight Controls Surface Mismatch Record
Figure 512/27-09-71-990-818
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GUN 001-099, 101-122, 156, 157, 201-999 27-09-71
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册1(91)
