(5)
 Apply SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-019) to the plain shank and flange of the bearing housing (11).

 (6)
 Install the bearing housing (11) in the outboard bracket (13) and
 tighten the nuts (19).

 (7)
 Apply COMMON GREASE (Material No. 04-022) to the ring nut (18).

 (8)
 Install the ring nut (18) on the bearing housing (11).

 (9)
 TORQUE the ring nut (18) with the SPANNER - SOCKET (FLAP LEVER TRACK 4) (98D27504029000) to between 1.4 and 1.5 m.daN (10.32 and 11.06 lbf.ft).

 (10)
 If necessary, drill a 2.5 mm (0.10 in.) hole for the cotter pin (15) in an applicable position on the bearing housing (11). Remove all unwanted material from the work area.

 (11)
 Safety the ring nut (18) with a new cotter-pin (15).

 (12)
 Apply COMMON GREASE (Material No. 04-022) to the bearing surfaces of the lever (5).

 (13)
 Turn the lever (5) through 90 deg. and install it in the bearing housing (11).

 (14)
 Apply SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-019) to the mating face of the bearing housing (3) and to the bolt (2).

 (15)
 Install the bearing housing (3), the bolt (2) and the nut (20).

 (16)
 Apply COMMON GREASE (Material No. 04-022) to the spacer (12) and the bolt (4).

 (17)
 Install the spacer (12), the bolt (4) and the nut (16).

 (18)
 TORQUE the nut (16) to between 1.4 and 1.5 m.daN (10.32 and 11.06 lbf.ft).

 (19)
 Manually operate the lever (5) and make sure that it moves freely.

 (20)
 Safety the nut (16) with a new cotter pin (17).

 (21)
 Remove the adjustable strut.

 (22)
 Move the flap to align the flap link-arms (9) to the levers (5) at track 3 and track 4.

 (23)
 Apply SPECIAL MATERIALS (Material No. 05-002) to the bolts (10) and the nuts (7).

 (24)
 At Tracks 3 and 4: (Ref. Fig. 403/TASK 27-54-55-991-002, 404/TASK 27-54-55-991-003)

 (a) Install the bolts (10), the washers (8) and the nuts (7). (Ref. Fig. 404/TASK 27-54-55-991-003)

 (25)
 At track 3:

 (a) TORQUE the nut (7) to between 6.6 and 7.6 m.daN (48.67 and 56.04 lbf.ft) and safety with new cotter-pins (6).

 (26)
 At track 4:

 (a) TORQUE the nut (7) to between 1.9 and 2.2 m.daN (14.01 and 16.22 lbf.ft) and safety with new cotter-pins (6).

 (27)
 Do a check of the flap rigged position (Ref. TASK 27-51-00-820-003).

 (28)
 At Tracks 3 and 4, apply STORAGE PRESERVATION (Material No. 15-007) to the bolts (10) and the nuts (7) after assembly.

 (29)
 Install the Track 4 actuator 6233CM(6283CM) (Ref. TASK 27-54-49-400-004).

 **ON A/C ALL
 Subtask 27-54-55-865-058
 D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV.

 Subtask 27-54-55-080-052
 E. Removal of Support Equipment
 (1)
 Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER from the flap/slat control lever.

 (2)
 Remove the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the torque shaft adjacent the track 4 actuator (Ref. TASK 27-50-00-000-003).

 Subtask 27-54-55-710-052
 F. Test
 (1)
 Do an operational test of the flaps (Ref. TASK 27-54-00-710-001).

 (2)
 Visually examine the outboard flap for correct operation during retraction and extension of the flaps.

 5. Close-up
________
 Subtask 27-54-55-410-055

 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Install the applicable access panels 575BB, 575FB or 675BB, 675FB. R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 27-54-55-860-059
 B. Aircraft Maintenance Configuration
 (1)
 Retract the flaps fully (Ref. TASK 27-50-00-866-009).

 (2)
 Fully retract the No. 4 and the No. 5 Spoilers (Ref. TASK 27-60-00-866-002).

 (3)
 Install the No. 3 and the No. 4 Flap-Track movable fairings (Ref. TASK 57-55-11-400-001).

 **ON A/C 301-399,
 Subtask 27-54-55-860-059-A
 B. Aircraft Maintenance Configuration
 (1)
 Retract the flaps fully (Ref. TASK 27-50-00-866-009).

 (2)
 Fully retract the No. 4 and the No. 5 Spoilers (Ref. TASK 27-60-00-866-002).
　
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