(3)
For the inboard flap:
(a)
Remove the fairing panels at track 1.
(b)
Lower the flap track No. 2 movable fairing (Ref. TASK 57-55-11-010-001).
(4)
For the outboard flap:
(a) Lower the flap track No. 3 and the flap track No. 4 movable fairings (Ref. TASK 57-55-11-010-002).
(5)
Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER from the flap/slat control lever (installed when the movable fairings were lowered).
(6)
Remove the flap kink seals (Ref. TASK 27-54-61-000-002).
(7)
Disconnect the interconnecting strut from the outboard flap (Ref. TASK 27-54-62-000-001).
(8)
Manually retract the flaps to the fully retracted position (Ref. TASK 27-50-00-866-012).
(9)
Install the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER on the flap/slat control-lever.
1_ For the LH wing remove :
- 193BB (Ref. TASK 27-54-61-000-001).
2_ For the RH wing remove :
- 194BB (Ref. TASK 27-54-61-000-001).
4. Procedure
_________ Subtask 27-51-00-820-083
A. Flap Rigged Position - General **ON A/C 001-001,
(Ref. Fig. 516/TASK 27-51-00-991-067) **ON A/C 002-049, 053-061, 101-105, 201-203,
(Ref. Fig. 516A/TASK 27-51-00-991-067-A)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-51-00Page A512 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R **ON A/C 051-052, 062-099, 106-149, 151-199, 204-299, 401-499,
(Ref. Fig. 516B/TASK 27-51-00-991-067-B)
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 517/TASK 27-51-00-991-095)
(1) Flap Rigged Position:
(a) The 'flap rigged position' is the position that gives the correct relation between:
-
the flap trailing edge
and
-
the top surface of the wing.
In this position the correct aerodynamic conditions for the best flight performance are set.
(b) To put the flaps in their rigged position, eccentric bearings in the attachments at the flap tracks are adjusted. At each track there are two eccentric bearings:
-
the main eccentric bearing
-
the forward eccentric bearing.
(2)
Main Eccentric Bearing:
-The main eccentric bearing is the spherical bearing at the flap carriage attachment and is used for standard rigging. Movement of this bearing causes the complete flap to move vertically in relation to the wing.
(3)
Forward Eccentric Bearing:
-The forward eccentric bearing is on the flap drive-arm and is adjusted only for assymetric rigging conditions (Ref. SIL 27-089). When this bearing is adjusted, only the trailing edge of the flap moves (vertically) at that position.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-51-00Page A513 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
Eccentric Bearings - General
Figure 517/TASK 27-51-00-991-095
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-51-00Page A514 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 001-001,
Subtask 27-51-00-480-060
B. Install the Outboard Flap Rigging Kit
(Ref. Fig. 516/TASK 27-51-00-991-067, 518/TASK 27-51-00-991-068, 519/TASK 27-51-00-991-069)
(1)
Install the PIN RIGGING-FLAPS (TRACK 1) (98D27504005000) (1) at the track 1 position.
(2)
At the track 3 and 4 positions, install the KIT-FLAP RIGGING (98D27504038000) as follows:
NOTE : The KIT-FLAP RIGGING installed at track 4 is used only to hold
____ the flap. It is not used to set the flap rigged position.
(a)
Install the base assembly (23) on the flap track beam (28). Make sure that the aft dowels (25) touch the track beam end-stop (24).
(b)
Move the two bottom clamps (26) into position below the flap track beam (28) and tighten the knurled screws (27).
(c)
Move the fin (21) into position in the slot on the base assembly
(23)
and install the pin (22).
(Ref. Fig. 520/TASK 27-51-00-991-070)
(d) Check the value shown on the label (41) attached to the outboard side of the flap track 3 beam assembly.
NOTE : Label (41) shows the assymetric offset value. This is the
____ adjustment applied to the forward eccentric bearing in the flap drive strut at tracks 3 and 4. The adjustment is necessary on some aircraft to give the correct aerodymamic balance:
-
a plus (+) value shows that the flap trailing edge was moved up
-
a minus (-) value shows that the flap trailing edge was moved down
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