NOTE : The weight of the flap track beam (1) is 36 kg (79.3663 lb).
____
 (1)
 Hold the flap track beam (1).

 (2)
 At the forward mounting:

 (a)
 Remove the nut (25), the bolt (31) and disconnect the bonding strap (30).

 (b)
 From one side of the beam only, remove and discard the cotter pin (23). Remove the collar (22), the pin (18) and the anti-chafe collar (21).

 (c)
 Remove the failsafe pin (26) from the bracket (32) and the flap track beam (1).

 (d)
 Remove and discard the cotter pin (27).

 (e)
 Install the EXTRACTOR FLAP SPIGOT (98D57004037000) into the forward spigot pin (25).

 (f)
 Use the EXTRACTOR FLAP SPIGOT to remove the forward spigot pin

 (25) through the spherical bearing (20).

 (g)
 Remove the nut (28), the washer (29) and the bolt (20).

 (3)
 At the rear mounting:

 (a)
 Remove and discard the cotter pins (2) and (5).

 (b)
 Remove and discard the lockwire from the nuts (6) and the flanged nuts (7).

 (c)
 Remove the nuts (6) and the flanged nuts (7) from the studs (8).

 (d)
 Remove the nut (3) and the spherical washer (4) from the aft spigot pin (17).

R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 57-51-33Page 472 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 (4) Lower the rear end of the flap track beam (1).

 (5) Remove the flap track beam (1). 
R  **ON A/C 301-399, 
R  Subtask 57-51-33-020-059-A 
R  A. Removal of the Flap Track Beam 
R  WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME DAMAGED OR_______ 
R  INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY. 
R  NOTE : The weight of the flap track beam (1) is 33 kg (72.7525 lb).____ 
R  (1) Hold the flap track beam (1). 
R  (2) At the forward mounting: 
R  (a) Remove the nut (25), the bolt (31) and disconnect the bonding 
R  strap (30). 
R  (b) From one side of the beam only, remove and discard the cotter pin 
R  (23). Remove the collar (22), the pin (18) and the anti-chafe 
R  collar (21). 
R  (c) Remove the failsafe pin (26) from the bracket (32) and the flap 
R  track beam (1). 
R  (d) Remove and discard the cotter pin (27). 
R  (e) Install the EXTRACTOR FLAP SPIGOT (98D57004096001) into the 
R  forward spigot pin (24). 
R  (f) Use the EXTRACTOR FLAP SPIGOT to remove the forward spigot pin 
R  (24) through the spherical bearing (19). 
R  (g) Remove the nut (28), the washer (29) and the bolt (20). 
R  (3) At the rear mounting: 
R  (a) Remove and discard the cotter pins (2) and (5). 
R  (b) Remove and discard the lockwire from the nuts (6) and the flanged 
R  nuts (7).

R (c) Remove the nuts (6) and the flanged nuts (7) from the studs (8).

R R  (d) Remove the nut (3) and the spherical washer (4) from the aft spigot pin (17). 
R  (4) Lower the rear end of the flap track beam (1). 
R  (5) Remove the flap track beam (1). 
R  **ON A/C ALL
 Subtask 57-51-33-020-058
 B. If you are to install a replacement flap track beam (1).
 (1) Remove and discard the cotter pins (16).
 (2) Remove the nuts (15), the washers (14) and the studs (8).
 (3) From one side at a time, remove the nuts (13), the bolts (9), the bearing pads (11) and the shims (12).
 NOTE : Keep the bearing pads (11) and the shims (12) together in____ different sets so that you can install them in the same position from which they were removed.

 TASK 57-51-33-400-004
 Installation of the No.4 Flap Track Beam
 WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
 NOTICES ARE IN POSITION.

 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.

 CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
_______
 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.

 -
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.

 -MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
 1. Reason for the Job
__________________
　
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