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EFFECTIVITY
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(Continued)
Zone Area
315 APU Compartment - Left
316 APU Compartment - Right
F. Access Panels
Number Name/Location
311BL Stabilizer Trim Access Door
317AL Tail Cone Access Door
318BR Tailcone Access Door
G. Prepare for the Installation
SUBTASK 27-31-14-860-003
(1) Make sure that the pressure to the elevator hydraulic systems A and B is removed. To remove it,
do this task: Remove Pressure from the Elevator Hydraulic Systems A and B,
TASK 27-31-00-800-802.
SUBTASK 27-31-14-080-001
(2) Remove the fixture, SPL-1683 if it is applicable.
H. Elevator PCU Installation
SUBTASK 27-31-14-420-001
(1) If the packings and unions are not installed in the elevator PCU [6], then do these steps:
(a) Lubricate the new packing [1] and the new packing [5] with fluid, D00153.
(b) Install the new packing [1], union [2], the new packing [5], and union [4] in the elevator
PCU [6].
SUBTASK 27-31-14-420-002
(2) Install the elevator PCU [6]:
(a) Apply grease, D00633 to the bolt [8] and bolt [12].
(b) Put the elevator PCU [6] in its position.
(c) Install the bolt [8] with the bolt head inboard, washer [9], washer [10], and nut [11] to attach
the elevator PCU [6] to the output torque tube [7].
(d) Install the bushing [13], bolt [12], washer [14], and nut [15] to attach the elevator PCU [6] to
the mounting bracket.
NOTE: For the right elevator PCU, install the bolt [12] with the bolt head inboard. For the
left elevator PCU, install the bolt [12] with the bolt head inboard.
1) Tighten the nut [15] to 550-600 pound-inches (62.1-67.8 newton-meters).
CAUTION: DO NOT TIGHTEN THE NUT [15] AGAIN AFTER YOU TIGHTEN THE NUT [17]. YOU
CAN CAUSE DAMAGE TO THE EQUIPMENT.
(e) Install the washer [16] and nut [17].
1) Tighten the nut [17] to 225-250 pound-inches (25.4-28.2 newton-meters).
SUBTASK 27-31-14-080-003
(3) Remove the rig pin E-5 of the rig pin kit, SPL-1585 from the elevator aft control quadrant.
SUBTASK 27-31-14-860-004
(4) Move the elevator PCU [6] to the fully retracted position.
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EFFECTIVITY
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SUBTASK 27-31-14-420-003
(5) Connect the four input rods [23] to the four input cranks [18] (two on each PCU):
NOTE: Move the control column to move the quadrant out of the way when there are clearance
problems with the lower input rod attach bolt.
(a) Apply grease, D00633 to the bolts [19].
(b) Install the bolts [19], washers [20], washers [21], and nuts [22].
NOTE: For the outboard bolt, install the bolt [19] with the bolt head outboard. For the
inboard bolt, install the bolt [19] with the bolt head inboard.
SUBTASK 27-31-14-420-004
(6) Remove the caps and the plugs from the and hydraulic lines [3] and ports.
(a) Remove hydraulic fluid that falls on the floor.
SUBTASK 27-31-14-420-005
(7) Connect the hydraulic lines [3] to the elevator PCU [6].
SUBTASK 27-31-14-860-005
(8) Do this task: Put the Elevator Systems A and B Back to the Condition Before the Pressure
Removal, TASK 27-31-00-840-802.
SUBTASK 27-31-14-820-001
(9) Do this task: Input Rods of the Elevator Power Control Unit - Adjustment,
TASK 27-31-00-820-803.
SUBTASK 27-31-14-820-002
(10) Do this task: Elevator Surface Friction and Balance - Test, TASK 27-31-00-700-802.
SUBTASK 27-31-14-820-003
(11) Do this task: Elevator Travel Limit - Test, TASK 27-31-00-700-804.
SUBTASK 27-31-14-820-004
(12) Do this task: Manual Mode - Test, TASK 27-31-00-700-807.
SUBTASK 27-31-14-820-005
(13) Do this task: Control Column Travel and Centering - Test, TASK 27-31-00-700-808.
SUBTASK 27-31-14-820-006
(14) Do this task: Control Column Power Force - Test, TASK 27-31-00-700-809.
I. Put the Airplane Back to Its Usual Condition
SUBTASK 27-31-14-410-001
(1) Install this access panel:
Number Name/Location
318BR Tailcone Access Door
SUBTASK 27-31-14-410-004
(2) Install this access panel:
Number Name/Location
317AL Tail Cone Access Door
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SUBTASK 27-31-14-410-002
(3) Close this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
　
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本文鏈接地址：737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飛機維護手冊3(31)