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737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-51-32
Page 407
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(g) Tighten the nuts [9] to 65-75 pound-inches (7.4-8.4 newton-meters) more than the run-on
torque.
SUBTASK 27-51-32-210-005
(4) Make sure the torque trip indicator [14] on the transmission [15] is set.
SUBTASK 27-51-32-640-003
(5) Apply grease, D00633 to the end of the plunger on the torque trip indicator [14] and push it down
around the sides of the plunger.
SUBTASK 27-51-32-640-001
(6) Lubricate the transmission [15], ballscrew assembly [1] and gimbal assembly [12], do this task:
Inboard Flap Outboard Ballscrew and Gimbal Lubrication, TASK 12-22-51-640-803.
SUBTASK 27-51-32-820-001
(7) Do this task: Trailing Edge Flap Drive System Adjustment, TASK 27-51-00-820-802.
G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-51-32-410-001
(1) Do this task: Inboard Flap Support Aft Fairing Installation, TASK 27-51-18-400-802.
SUBTASK 27-51-32-440-001
(2) Do this task: Trailing Edge Flap System Reactivation, TASK 27-51-00-440-801.
SUBTASK 27-51-32-860-002
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.
(3) Supply system B hydraulic power, do this task: Hydraulic System A or B Pressurization,
TASK 29-11-00-860-801.
SUBTASK 27-51-32-860-003
(4) 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 27-51-32-860-004
(5) 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 27-51-32-210-002
(6) Make sure the torque trip indicator [14] on the transmission [15] is set.
SUBTASK 27-51-32-860-005
(7) Remove system B hydraulic power, do this task: Hydraulic System A or B Power Removal,
TASK 29-11-00-860-805.
------------------------- END OF TASK ---------------------------
TASK 27-51-32-000-802
4. Inboard Flap Inboard Ballscrew and Gimbal Removal
(Figure 402)
A. General
(1) This task is applicable to the ballscrew and gimbal at flap supports No. 4 and 5.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-51-32
Page 408
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
B. References
Reference Title
27-51-00-040-801 Trailing Edge Flap System Deactivation (P/B 201)
27-51-00-860-803 Extend the Trailing Edge Flaps (P/B 201)
27-51-00-980-801 Trailing Edge Flap System Manual Operation (P/B 201)
32-00-01-480-801 Landing Gear Downlock Pins Installation (P/B 201)
C. Location Zones
Zone Area
133 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station
727.00 - Left
134 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station
727.00 - Right
541 Left Wing - Fairing Flap Support No. 4
641 Right Wing - Fairing Flap Support No. 5
D. Prepare for the Removal
SUBTASK 27-51-32-860-006
(1) Extend the trailing edge flaps to the 40-unit position. To extend them, do this task: Extend the
Trailing Edge Flaps, TASK 27-51-00-860-803.
SUBTASK 27-51-32-480-007
WARNING: MAKE SURE THE DOWNLOCK PINS ARE INSTALLED ON ALL THE LANDING GEAR.
WITHOUT THE DOWNLOCK PINS, THE LANDING GEAR CAN RETRACT AND CAUSE
INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) If the downlock pins are not installed in the nose and main landing gear, do this task: Landing
Gear Downlock Pins Installation, TASK 32-00-01-480-801.
SUBTASK 27-51-32-040-002
(3) Do this task: Trailing Edge Flap System Deactivation, TASK 27-51-00-040-801.
E. Inboard Flap Inboard Ballscrew and Gimbal Removal
SUBTASK 27-51-32-980-002
(1) Manually extend the trailing edge flaps to the downstop on the ballscrew. To extend them, do
this task: Trailing Edge Flap System Manual Operation, TASK 27-51-00-980-801.
SUBTASK 27-51-32-020-004
CAUTION: MAKE SURE YOU HOLD THE BALLSCREW WHILE YOU DISCONNECT IT. IF YOU LET
THE U-JOINT HOLD THE BALLSCREW, YOU WILL CAUSE DAMAGE TO THE U-JOINT.
(2) Disconnect the ballscrew assembly [44] with the gimbal assembly [45] from the carriage [49]:
(a) Install a support to hold the ballscrew assembly [44] when it is disconnected from the
　
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