(b)  
Remove the valve motor from the valve.

 TASK 27-51-82-404-051
 7.  Trailing Edge Flap Bypass Valve Motor Installation__________________________________________________
 A. References
 (1)  27-51-82/501, Trailing Edge Flap Bypass Valve
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 ALL  ú ú 01 Page 406 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 B. Access
 (1)  
Location Zones
 101, 102 Control Cabin
 217 Right Main Wheel Well

 C.
Procedure

 S 864-052
 (1)  
Set the manual override lever on the valve motor to the POSITION 2.

 S 424-064

 (2)  
Install the bypass valve motor (Fig. 401):

 (a)  
Put the valve motor on the valve and engage the motor drive with the valve cam.

 (b)  
Install the four screws that attach the valve motor to the valve.

 (c)  
Install the lockwire on the screws.

 S 434-056
 (3)  
Connect the electrical connector to the valve motor.

 D.
Put the Airplane Back to Its Usual Condition

 S 864-057
 (1)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6-2 Panel
 1) FLAP (SHUTOFF VALVES)

 S 724-058
 (2)  Do this task: "Trailing Edge Flap Bypass Valve Functional Test" (Ref 27-51-82/501).
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 ALL  ú ú 01 Page 407 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TRAILING EDGE FLAP BYPASS VALVE - ADJUSTMENT/TEST
_________________________________________________
 1.  General_______
 A.  There is one task in this procedure; a functional test of the bypass valve for the trailing edge flaps.
 TASK 27-51-82-705-012
 2.  Trailing Edge Flap Bypass Valve Operational Test________________________________________________
 A.  References
 (1)  
24-22-00/201, Manual Control

 (2)  
29-15-00/201, Hydraulic Systems A, B, and Standby

 B.  
Access

 (1)  
Location Zones
 101, 102 Control Cabin
 217 Right Main Wheel Well

 C.  
Prepare for the Test

 S 865-002
 (1)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6-2 Panel
 1) ALT TE FLAP DRIVE AC

 S 865-003
 (2)  Do this task: "Apply External Power" (Ref 24-22-00/201).
 S 865-014
 WARNING: MAKE SURE PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (3)
Do this task to pressurize hydraulic system B: "Pressurize Hydraulic System A, B, or Standby" (Ref 29-15-00/201).

 D.  
Do the Trailing Edge Flap Bypass Valve Test

 S 865-015
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE TRAILING
_______ EDGE FLAPS, THE LEADING EDGE FLAPS AND SLATS AND THE DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Set the ALTERNATE FLAPS arm switch to the ARM position.
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 ALL  ú ú 01 Page 501 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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