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and the grease vent is on the lower side.
NOTE: This is the preferred position for maintenance.
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AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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GUN 155 PRE SB 737-57-1264
(d) Apply grease, D00633 to the inside and outside surfaces of the carriage bushing [14] and
carriage bushing [20].
GUN ALL
(e) Lift the outboard flap until the carriage [1] aligns with the gimbal [13].
(f) Install the carriage bushing [14] and carriage bushing [20] to attach the gimbal [13] to the
carriage [1].
(g) Install the bolts [17], washers [16] and nuts [15] to hold the carriage bushing [14] and
carriage bushing [20] in the carriage [1].
(h) Tighten the nuts [15] to 65-75 pound-inches (7.4-8.4 newton-meters) more than the run-on
torque.
SUBTASK 27-51-41-420-004
(4) Connect the aft flap drive rod [6] to the drive rod attach fitting [37]:
(a) Put the drive rod [6] in its position in the drive rod attach fitting [37].
(b) Apply a layer of grease, D00633 to the inside of the bushing [33] and the shank of the bolt
[31].
(c) Install the bushing [33], bolt [31] and washer [32] to attach the drive rod [6] to the attach
fitting [37].
(d) Carefully clean the grease, D00633 from the threads of the bolt [31].
(e) Install the washer [34] and nut [35] on the bolt [31].
(f) Tighten the nut [35] to 65-100 pound-inches (7.4-11.2 newton-meters).
(g) Install the pin [36] in the nut [35].
SUBTASK 27-51-41-420-005
(5) Connect the torque tube [9] to the transmission assembly [4]:
(a) Apply grease, D00633 to the coupling sleeve [8].
(b) Put the splined coupling [10] in the coupling sleeve [8].
(c) Install the screws [11] to attach the torque tube [9] to the transmission assembly [4].
(d) Install lockwire on the screws [11].
SUBTASK 27-51-41-420-006
(6) Do this task: Flap Position Transmitter Installation, TASK 27-58-01-400-801.
SUBTASK 27-51-41-640-003
(7) Apply grease, D00633 to the end of the plunger on the torque trip indicator [12] and push it down
around the sides of the plunger.
SUBTASK 27-51-41-210-001
(8) Make sure the torque trip indicator [12] on the transmission assembly [4] is set.
SUBTASK 27-51-41-640-001
(9) Lubricate the transmission assembly [4], ballscrew assembly [2] and gimbal [13]. To lubricate
them, do this task: Outboard Flap Outboard Ballscrew and Gimbal Lubrication,
TASK 12-22-51-640-805.
SUBTASK 27-51-41-820-001
(10) Do this task: Trailing Edge Flap Drive System Adjustment, TASK 27-51-00-820-802.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-51-41-440-001
(1) Do this task: Trailing Edge Flap System Reactivation, TASK 27-51-00-440-801.
SUBTASK 27-51-41-860-002
WARNING: KEEP PERSONS AND EQUIPMENT CLEAR OF THE FLIGHT CONTROL SURFACES, THE
THRUST REVERSERS, AND THE LANDING GEAR. THESE COMPONENTS CAN MOVE
SUDDENLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURIES TO
PERSONS AND DAMAGE TO EQUIPMENT.
(2) Supply system B hydraulic power, do this task: Hydraulic System A or B Pressurization,
TASK 29-11-00-860-801.
SUBTASK 27-51-41-860-003
(3) Use the primary system to retract the flaps to the retracted position. To retract the flaps, do this
task: Trailing Edge Flap System Operation With Primary Control, TASK 27-51-00-860-801.
SUBTASK 27-51-41-860-004
(4) Use the primary system to extend and retract the flaps. To extend and retract the flaps, do this
task: Trailing Edge Flap System Operation With Primary Control, TASK 27-51-00-860-801.
SUBTASK 27-51-41-210-002
(5) Make sure the torque trip indicator [12] on the transmission assembly [4] is set.
SUBTASK 27-51-41-210-003
(6) Make sure the flap position indicator on the center instrument panel shows the UP position.
SUBTASK 27-51-41-860-005
(7) Remove system B hydraulic power, do this task: Hydraulic System A or B Power Removal,
TASK 29-11-00-860-805.
SUBTASK 27-51-41-410-001
(8) Do this task: Outboard Flap Outboard Support Aft Fairing Installation, TASK 27-51-28-400-802.
------------------------- END OF TASK ---------------------------
TASK 27-51-41-000-802
4. Outboard Flap Inboard Transmission Removal
(Figure 402)
A. General
(1) This task is applicable to the transmissions at flap supports No. 2 and 7.
B. References
Reference Title
27-51-00-040-801 Trailing Edge Flap System Deactivation (P/B 201)
　
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