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EFFECTIVITY
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(a) Turn the ballscrew nut [58] until it is at the forward end of the ballscrew assembly [44].
(b) Apply a layer of grease, D00633 to the mating surfaces of the yoke [59] and the ballscrew
assembly [44].
(c) Put the ballscrew assembly [44] into the yoke [56].
(d) Apply a layer of grease, D00633 to the shank and threads of the bolts [59].
(e) Install the bolts [59], washers [60], washers [61] and nuts [62] to attach the ballscrew
assembly [44] to the yoke [56].
(f) Make sure the ballscrew assembly [44] is installed correctly in the yoke [56]:
1) Turn the transmission [53] until the nut [54] on the U-joint [55] is up.
2) Turn the ballscrew nut [58] until the upstop is 1808 from the upstop [57] on the yoke [56].
3) If the ball returns on the ballscrew nut [58] are not in the correct position, then change
the position of the ballscrew assembly [44]:
NOTE: On transmission No. 4, make sure the ball returns on the ballscrew nut [58]
are on the outboard side. On transmission No. 5, make sure the ball returns on
the ballscrew nut [58] are on the inboard side.
a) Remove the nuts [62], washers [61], washers [60] and bolts [59] that attach the
ballscrew assembly [44] to the yoke [56].
b) Turn the ballscrew assembly [44] 1808 in the yoke [56].
c) Install the bolts [59], washers [60], washers [61] and nuts [62].
(g) Tighten the nuts [62].
SUBTASK 27-51-32-420-006
(3) Connect the ballscrew assembly [44] with the gimbal assembly [45] to the carriage [49]:
(a) Move the gimbal assembly [45] to the downstop on the ballscrew assembly [44].
NOTE: On transmission No. 4, make sure the ball returns on the ballscrew nut [58] are on
the outboard side. On transmission No. 5, make sure the ball returns on the
ballscrew nut [58] are on the inboard side.
(b) Move the carriage [49] to align with the gimbal assembly [45].
(c) Install the carriage bushings [48] to attach the gimbal assembly [45] to the carriage [49].
(d) Install the bolts [50], washers [47] and nuts [46] that attach the carriage bushing [48] to the
carriage [49].
(e) Tighten the nuts [46] to 65-75 pound-inches (7.4-8.4 newton-meters) more than the run-on
torque.
SUBTASK 27-51-32-210-006
(4) Make sure the torque trip indicator [52] on the transmission [53] is set.
SUBTASK 27-51-32-640-004
(5) Apply grease, D00633 to the end of the plunger on the torque trip indicator [52] and push it down
around the sides of the plunger.
SUBTASK 27-51-32-640-002
(6) Lubricate the transmission [53] and ballscrew assembly [44], do this task: Inboard Flap Inboard
Ballscrew Lubrication, TASK 12-22-51-640-802.
SUBTASK 27-51-32-820-002
(7) Do this task: Trailing Edge Flap Drive System Adjustment, TASK 27-51-00-820-802.
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EFFECTIVITY
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G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-51-32-440-002
(1) Do this task: Trailing Edge Flap System Reactivation, TASK 27-51-00-440-801.
SUBTASK 27-51-32-860-007
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 27-51-32-860-008
(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 27-51-32-860-009
(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 27-51-32-210-004
(5) Make sure the torque trip indicator [52] on the transmission [53] is set.
SUBTASK 27-51-32-860-010
(6) Remove system B hydraulic power, do this task: Hydraulic System A or B Power Removal,
TASK 29-11-00-860-805.
------------------------- END OF TASK ---------------------------
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EFFECTIVITY
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