22-11-27
 ALL  ú ú 01 Page 501 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-010
 (3)  
Move hydraulic system A and B switches on the P5 panel to the ON position.

 S 865-011

 (4)  
Open the autopilot circuit beakers on the P6 and P18 circuit breaker panels.

 S 865-012

 (5)  
Set the ailerons and aileron trim to 0.

 S 865-014

 (6)  
Put the flap control lever to the FLAP DOWN position to extend the trailing edge flaps.

 S 825-015

 (7)  
Put the pilots control wheel in the center.

 S 485-016

 (8)  
Connect the test cable between the sensor and the airplane wire for autopilot A.

 S 865-017

 (9)  
Close the autopilot AC circuit breakers on the P6 and P18 circuit breaker panels.

 S 485-018

 (10)
 Connect the VTVM to jacks TJ1 and TJ2 on the test cable.

 E. Sensor Adjustment
 S 025-019
 (1)  
Loosen the mounting screws on the sensor to make sure the sensor can be turned.

 S 825-020

 (2)  
Turn the sensor housing slowly until you get a value less than 100 millivolts.

 (3)  
Tighten the sensor mounting screws 8-12 lb-inches.

 S 425-021
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-11-27
 ALL  ú ú 01 Page 502 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 025-022
 (4)  
Remove the lockwire from the thumb nut on the micoradjustment rod

 S 815-023

 (5)  
Turn the thumb nut until you get the smallest value less than 60 millivolts.

 NOTE:  If you do not get the null with the microadjustment rod, adjust the rod length to 3.54 inches, and do the last two steps again.
 S 425-024
 (6)  
Put the lockwire through the thumb nut.

 S 865-025

 (7)  
Open the autopilot circuit breakers.

 S 085-026

 (8)  
Disconnect the test cable and connect the sensor to the airplane wire.

 S 865-027

 (9)  
Close the autopilot circuit breakers.

 TASK 22-11-27-745-028
 3.  Spoiler Position Sensor Adjustment (Alternate Procedure Using BITE)__________________________________
 A. General
 (1)  The adjustment of the spoiler position sensor is given as part of DFCS BITE.
 B. References
 (1)  
12-31-01/201, General Zone Diagram

 (2)  
24-22-00/201, Electrical Power Control

 (3)  
29-15-00/201, Hydraulic Power

 C. Access
 (1)  Location Zone
 102 Control Cabin
 317 Left Wing Spoiler
 417 Right Wing Spoiler

 D. Prepare to Adjust
 S 865-029
 (1)  Make sure that the BAT switch is in the ON position (pilots forward overhead panel).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-11-27
 ALL  ú ú 01 Page 503 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 865-030
 (2)  Make sure that the STANDBY POWER switch is in the AUTO position
 (pilots forward overhead panel).
 S 865-031
 (3)  Supply electrical power (Ref 24-22-00/201, Electrical Power
 Control).
 S 865-032
 (4)  Make sure that the LANDING GEAR AIR/GND RELAY circuit breaker, on
 the P6 panel, is closed (relay must be in GND position).
　
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