No.1 Flap Track Beam
 Figure 401/TASK 57-51-33-991-001

R 1EFF : 001-049, 051-061, 101-103, 201-203, 1 57-51-33Page 403 1 1 May 01/05 1 1 1CES 1

 No.1 Flap Track Beam
 Figure 401A/TASK 57-51-33-991-001-A

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R  No.1 Flap Track Beam 
R  Figure 401B/TASK 57-51-33-991-001-B 
R 1EFF :  301-399,  1  57-51-33 Page 405 
1  1  May 01/04
 1  1
 1CES  1

 **ON A/C ALL
 Subtask 57-51-33-941-050
 A. Safety Precautions
 (1)
 Put the safety barriers in position.

 (2)
 Put warning notices in the cockpit to tell persons not to operate the flaps or slats.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 57-51-33-010-050
 B. Get Access WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
 (1)
 Remove the applicable inboard flap (Ref. TASK 27-54-61-000-001).

 (2)
 Remove the applicable No.1 flap track actuator (Ref. TASK 27-54-49-000-001).

 (3)
 Put the access platform in position below the applicable No.1 flap track beam (1), zone 581 (681).

 **ON A/C 301-399,
 Subtask 57-51-33-010-050-A
 B. Get Access WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
 (1)
 Remove the applicable inboard flap (Ref. TASK 27-54-61-000-003).

 (2)
 Remove the applicable No.1 flap track actuator (Ref. TASK 27-54-49-000-001).

 (3)
 Remove the LH(RH) shroud box (Ref. TASK 57-51-15-000-001).

 (4)
 Put the access platform in position below the applicable No.1 flap track beam (1), zone 581 (681).

 **ON A/C ALL
 Subtask 57-51-33-865-050
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
 4. Procedure
_________
 **ON A/C 001-049, 051-061, 101-103, 201-203,
 (Ref. Fig. 401/TASK 57-51-33-991-001)
R **ON A/C 062-099, 104-149, 151-199, 204-299, 401-499,
 (Ref. Fig. 401A/TASK 57-51-33-991-001-A)
 **ON A/C 301-399,
 (Ref. Fig. 401B/TASK 57-51-33-991-001-B)
 **ON A/C ALL
 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.

R **ON A/C 001-049, 051-061, 101-103, 201-203,
 Subtask 57-51-33-020-053
 A. Removal of the Flap Track Beam WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME DAMAGED OR
_______ INJURE PERSONNEL. THE UNIT/ASSEMBLY IS HEAVY.
 (1)
 Hold the flap track beam (1). NOTE : The weight of the flap track beam (1) is 35 kg (77.1617 lb).

____

 (2)
 At the X-strut:

 (a) Remove the nut (2), the bolt (8), the washer (9) and the bush (10).

 (3)
 At the forward mounting:

 (a)
 Remove and discard the cotter pins (11).

 (b)
 Remove the nuts (12) and the washers (13).

 (c)
 Remove the bolts (17), the washers (16) and the bushes (15).

 (d)
 If there are shims (14) and (18), remove them. Keep the shims with the beam.

 (4)
 At the rear mounting:

 (a)
 Remove the nut (20) and the bolt (22).

 (b)
 Remove the six HiLok pins (23) and (24), and the six HiLok collars (21) (Ref. SRM 514211).

 (5)
 Remove the flap track beam (1).

R 1EFF : 001-049, 051-061, 101-103, 201-203, 1 57-51-33Page 408 1 1 May 01/05 1 1 1CES 1R **ON A/C 062-099, 104-149, 151-199, 204-299, 401-499,

 Subtask 57-51-33-020-053-A
 A. Removal of the Flap Track Beam WARNING : SUPPORT THE UNIT/ASSEMBLY OR IT WILL FALL AND BECOME DAMAGED OR
　
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