(a)
Make sure the trailing edge flaps move smoothly.
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(b) Make sure that the trailing edge flaps extend symmetrically.
S 864-058
(3)
Set the FLAP control lever to the FLAP UP detent to retract the flaps.
(a)
Make sure that the movement of the trailing edge flaps is smooth.
(b)
Make sure that the trailing edge flaps retract symmetrically.
S 864-059
(4)
Remove system B hydraulic power (AMM 29-15-00/201).
S 164-060
(5)
Clean the unwanted corrosion preventive compound from the forward and aft end of the screw.
S 644-061
(6)
Apply a layer of the lubricating oil to the length of the screw.
J.
Put the Airplane Back to Its Usual Condition
S 414-062
(1)
Install the applicable access panels as specified below.
(a)
At the outboard flap transmissions, install the access panel on the lower side of the movable fairing.
(b)
At the No. 3 transmission, install access panels 5735 and 5736.
(c)
At the No. 6 transmission, install access panels 5835 and 5836.
(d)
At the No. 4 and No. 5 transmissions, install the access panel for the transmission on the inboard side.
S 424-063
(2) Remove the spoiler locks you installed for the removal and
installation of the ballscrew.
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL
_______ CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a)
Supply system A and B hydraulic power (AMM 29-15-00/201).
(b)
Move the SPEED BRAKE lever on the control stand to the DOWN detent.
(c)
Remove system A and B hydraulic power after all spoilers are retracted (AMM 29-15-00/201).
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S 864-064
(3) Remove electrical power if it is not necessary (AMM 24-22-00/201).
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FLAP BALLSCREW - INSPECTION/CHECK
_________________________________
1. General
_______
A. This procedure gives instructions for a check of these items at all transmissions:
(1)
The wear on the journals of the ball nut of a ballscrew.
(2)
The wear on the flanged bushings that attach a ball nut to a gimbal.
(3)
The wear of the flanged bushings, bolt, pin, spacer and cross of the universal joint between the ballscrew and the transmission.
B.
This procedure gives instructions for the check of these items at the transmissions of the outboard trailing edge flaps:
(1)
The wear on the journals of the gimbals.
(2)
The wear on the flanged bushings that attach a gimbal to the fitting on the midflap.
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