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the STB cable [65] easier.
NOTE: All the grooves of the cable drum will be filled with cable except for 1/2 turn
between the STA cable [66] and STB cable [65].
(b) Install the cable terminal in the top terminal slot of the cable drum [27].
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(c) Install the new pin [61] to connect the cable terminal to the cable drum [27].
1) Install the ends of the pin [61] in the terminal slot.
SUBTASK 27-41-81-080-003
(11) Remove the control cable clamp, SPL-1569.
SUBTASK 27-41-81-640-001
(12) Lubricate the upper gimbal and lower gimbal at the grease fittings and jackscrew. To lubricate
them, do this task: Stabilizer Jackscrew, Ballnut and Gimbal - Lubrication,
TASK 12-22-41-600-801.
SUBTASK 27-41-81-420-005
(13) Install the spacers [26] and cable drum guard [67]:
(a) Install the bolts [48] and washers [49] to attach the cable drum guard [67] to the cable drum
[27].
CAUTION: MAKE SURE YOU INSTALL THE SUPPORT PLATE [62] CORRECTLY. IF THE
SUPPORT PLATE [62] IS NOT INSTALLED CORRECTLY, THE AMOUNT OF
TORQUE NECESSARY TO DISENGAGE THE MANUAL CLUTCH CAN EXCEED THE
LIMITS.
(b) Install the support plate [62] correctly.
(c) Install the bolts [63] and washers [64] to attach the spacers [26] to the support plate [62].
NOTE: The bearing assembly of the support plate [62] must be on the same side as the
cable drum [27].
(d) Install the bolt [57], washer [58], washer [59], and nut [60] to attach the cable drum guard
[67] to the support plate [62].
SUBTASK 27-41-81-820-002
(14) Adjust the STA cable [66] and STB cable [65] and reconnect the upper turnbuckle [4]. To adjust
the cables and reconnect the turnbuckle, do this task: Stabilizer Control Cable and Chain
Adjustment, TASK 27-41-00-820-801.
SUBTASK 27-41-81-080-004
(15) Remove the wrench, SPL-1684 from the jackscrew gearbox [24].
SUBTASK 27-41-81-730-001
(16) Do this task: Stabilizer Clutch Friction System Test, TASK 27-41-00-700-806.
SUBTASK 27-41-81-420-007
(17) Do this task: Stabilizer Trim Motor Installation, TASK 27-41-71-400-801.
SUBTASK 27-41-81-420-006
(18) Install the electrical connectors [47] to the jackscrew gearbox [24]:
(a) Remove the nuts [46], washers [45], and bolts [43] from the jackscrew gearbox [24].
(b) Put the clamps [44] for the electrical connectors [47] on the jackscrew gearbox [24].
(c) Install the bolts [43], washers [45], and nuts [46] to install the clamps [44] to the jackscrew
gearbox [24].
SUBTASK 27-41-81-860-003
(19) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-1
Row Col Number Name
C 2 C00849 AFCS STABILIZER TRIM
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F/O Electrical System Panel, P6-2
Row Col Number Name
B 10 C00207 FLIGHT CONTROL STAB TRIM CONT
D 10 C00840 FLIGHT CONTROL STAB TRIM ACTUATOR
SUBTASK 27-41-81-730-002
(20) Do this task: Stabilizer Manual Trim and Trim Indicator Test, TASK 27-41-00-700-801.
SUBTASK 27-41-81-730-003
(21) Do this task: Horizontal Stabilizer Trim Control System Friction Test, TASK 27-41-00-700-802.
SUBTASK 27-41-81-610-001
(22) Do this task: Horizontal Stabilizer Actuator Brake - Servicing, TASK 12-22-41-610-802.
NOTE: This lubrication procedure must be performed after the installation of any new
stabilizer trim actuator.
SUBTASK 27-41-81-730-004
(23) Do this task: Stabilizer Trim Secondary Brake System Test, TASK 27-41-00-700-808.
SUBTASK 27-41-81-730-005
(24) Do this task: Stabilizer Trim Wheel Free Movement Test, TASK 27-41-00-700-804.
SUBTASK 27-41-81-730-006
(25) Do this task: Stabilizer Electric Trim System Test, TASK 27-41-00-700-803.
H. Put the Airplane Back To Its Usual Condition
SUBTASK 27-41-81-410-001
(1) Close this access panel:
Number Name/Location
112A Forward Access Door
SUBTASK 27-41-81-410-002
(2) Close this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
SUBTASK 27-41-81-480-008
(3) Remove the DO-NOT-OPERATE tags from the stabilizer trim control wheels.
------------------------- END OF TASK ---------------------------
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册4(10)
