(b)  
Install the access panel.

 S 868-013
 (12)
 Do this task to pressurize hydraulic system B:  "Supply Hydraulic Power" (Ref 27-51-00/201).

 S 868-015

 (13)
 Put the flap control lever in the UP detent to retract the flaps.

 S 868-014

 (14)
 Do this task to depressurize hydraulic system B:  "Remove Hydraulic Power" (Ref 27-51-00/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 OUTBOARD FOREFLAP SEQUENCE CARRIAGE - REMOVAL/INSTALLATION
_____________________________________________________________
 1.  General
_______
 A.  There are four tasks in this procedure. There is one task for the removal and one task for the installation of an outboard foreflap sequence carriage. There is also a task for the removal and a task for the installation of a foreflap carriage toggle. The procedure to remove and install the sequence carriage has these parts:
 (1)  
The removal of the outboard trailing edge flaps

 (2)  
The removal of the foreflap sequence carriage

 (3)  
A check of the foreflap sequence carriage for worn parts

 (4)  
The installation of the foreflap sequence carriage

 (5)  
The installation of the outboard trailing edge flaps.

 TASK 27-51-47-004-001
 2.  Outboard Foreflap Sequence Carriage Removal
___________________________________________
 A.  References
 (1)  
27-51-00/201, Trailing Edge Flap System

 (2)  
27-51-34/401, Outboard Trailing Edge Flap

 B.  
Access

 (1)  
Location Zones 307, 407 Wing Trailing Edge Outboard Flap and Spoilers

 C.  
Procedure

 S 044-017
 (1)  
Do this task: "Trailing Edge Flap System Deactivation" (Ref 27-51-00/201).

 S 034-002

 (2)  
Do this task: "Outboard Trailing Edge Flap Removal" (Ref 27-51-34/401).

 NOTE: The sequence carriage will stay on the flap track when you
____
 remove the flap.

 S 024-004
 (3)  
Remove the foreflap sequence carriage (Fig. 401):

 (a)  
Remove the stop from the sequence carriage.

 (b)  
Do this task: "Outboard Foreflap Carriage Toggle Removal" (Ref Paragraph 4).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A SEE A
SEE B
MIDFLAP
AFTFLAP
FWD  FOREFLAP 
INBD  LEFT FLAP SHOWN (RIGHT SIDE OPPOSITE) 

A

Outboard Foreflap Sequence Carriage Installation
Figure 401 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FLAP TRACK
SEQUENCE CARRIAGE
RUB STRIP
(2 LOCATIONS)

TOGGLE
SLIDER
(2 LOCATIONS) STOP

FWD
STOP BOLT SEE C INBD
B
SLIDER TOGGLE(2 LOCATIONS)CENTER BOLT
BOLT (2 LOCATIONS)
ROLLER
(2 LOCATIONS)

RUB STRIP
FLAP TRACK (2 LOCATIONS)
SEQUENCE CARRIAGE
1

FWD INBD
C
1
CLEAN AND GREASE THE TRACK IN THIS AREA
Outboard Foreflap Sequence Carriage Installation Figure 401 (Sheet 2)
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