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SUBTASK 27-31-00-010-039
(6) To get access to the stabilizer trim jackscrew, do this task:
Open this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
SUBTASK 27-31-00-980-003
(7) Do these steps to set the B dimension:
NOTE: The B dimension is measured between the center of the upper and lower Gimbal pins
on the stabilizer trim jackscrew. To do this, one person must be in the tail of the
airplane with a headset and the other person in the flight compartment.
(a) Turn the stab trim wheel handle on the control stand to set the B dimension.
(b) Use the trammel bar, SPL-1677 to measure the B dimension.
(c) Make sure that the B dimension is 39.89 (±0.01) inches.
F. Procedure
SUBTASK 27-31-00-740-008
(1) Push the INIT REF key on the CDU keyboard.
(a) Push the Line Select Key (LSK) that is adjacent to each selection:
1) INDEX
2) MAINT
3) DFCS
4) EXTENDED MAINTENANCE
5) RIGGING
SUBTASK 27-31-00-740-002
(2) Push the Line Select Key (LSK) adjacent to <ELEVATOR on the control display unit (CDU).
SUBTASK 27-31-00-740-003
(3) Push the LSK adjacent to <ELEV RIG on the CDU.
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EFFECTIVITY
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SUBTASK 27-31-00-740-004
(4) Follow the instructions on the CDU and push the LSK adjacent to <CONTINUE until Test 51.02
MT ACT POS menu shows on the CDU.
NOTE: The DFCS BITE Rigging Test will move the mach trim actuator to the fully extended
position.
SUBTASK 27-31-00-740-009
(5) Use Test 51.02 and 51.03 to make sure that the MT ACT POS for FCC channel A and B are within
their limits (TASK 22-11-00-820-802).
NOTE: For Tests 51.02 and 51.03, there is no value for the B side; N/A.
SUBTASK 27-31-00-740-010
(6) Continue with test 51.02 until test 51.03 is displayed.
NOTE: A mach trim actuator position of 0.00 +/- 0.20 should be displayed.
SUBTASK 27-31-00-740-011
(7) The null procedure for the mach trim actuator is complete.
SUBTASK 27-31-00-860-179
(8) Push the INIT REF key on the CDU keyboard.
------------------------- END OF TASK ---------------------------
TASK 27-31-00-200-801
7. Elevator Control Pushrod - Visual Inspection
(Figure 203)
A. Location Zones
Zone Area
317 Tail Cone Compartment - Left
318 Tail Cone Compartment - Right
334 Left Horizontal Stabilizer - Elevator
344 Right Horizontal Stabilizer - Elevator
B. Access Panels
Number Name/Location
318BR Tailcone Access Door
C. Procedure
SUBTASK 27-31-00-010-036
(1) Open this access panel:
Number Name/Location
318BR Tailcone Access Door
SUBTASK 27-31-00-860-158
(2) If hydraulic systems A and B have pressure, remove pressure from the elevator hydraulic
systems A and B. To remove hydraulic pressure, do this task: Remove Pressure from the
Elevator Hydraulic Systems A and B, TASK 27-31-00-800-802.
SUBTASK 27-31-00-200-008
(3) Do a detailed visual inspection of the elevator control pushrods (on both elevators) (Figure 203).
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EFFECTIVITY
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(a) Make sure all hardware is installed and secure.
(b) Check for unusual wear and loose parts at the two connection points of the elevator control
pushrod.
NOTE: Try to wiggle or move connection bolts with hand pressure only.
SUBTASK 27-31-00-420-012
(4) Tighten and properly secure any loose items.
SUBTASK 27-31-00-960-004
(5) If replacement is necessary, replace any worn or loose parts with new hardware.
SUBTASK 27-31-00-410-026
(6) Close this access panel:
Number Name/Location
318BR Tailcone Access Door
SUBTASK 27-31-00-741-001
(7) If you need hydraulic pressure in systems A and B, do this task: Put the Elevator Systems A
and B Back to the Condition Before the Pressure Removal, TASK 27-31-00-840-802.
------------------------- END OF TASK ---------------------------
TASK 27-31-00-200-802
8. Elevator Feel and Centering Unit - Visual Inspection
(Figure 203)
A. Location Zones
Zone Area
317 Tail Cone Compartment - Left
318 Tail Cone Compartment - Right
334 Left Horizontal Stabilizer - Elevator
344 Right Horizontal Stabilizer - Elevator
B. Access Panels
Number Name/Location
318BR Tailcone Access Door
C. Procedure
SUBTASK 27-31-00-780-002
　
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