(c)  
Complete the test and ignore any FAIL indications.

 (d)  
Push the GO button and forward to the test you have to do.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10-60447 YAW DAMPER ú

 22-12-31
 COUPLER  ú
 ú 02 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 502Jul 15/98 

A 
737-300/400/500MAINTENANCE MANUAL
 D.  Yaw Damper Self-Test
 S 735-011
 (1)  Do these tasks for the Yaw Damper Self-Test:
 STEP____  MONITOR_______
 TEST  LIGHTS
 NO. PASS___________  FAIL____
 (a)  BITE Self Test Arm__________________
 1)  Disengage the yaw damper.
 2)  Set the BITE switch to ARM.  ON  OFF
 3)  Push the LAMP test switch and  8  ON  ON
 hold.
 4)  Release the LAMP test switch.  0  ON  OFF
 (b)  Test 1 - Rate Gyro Filter 1___________________________
 1)  Engage the yaw damper and
 make sure the hydraulics are on.
 2)  Push the GO switch.  Make a  1  ON  OFF
 note after 1 second.
 (c)  Test 2 - Engage Null____________________
 1)  Engage the yaw damper and
 make sure the hydraulics
 are on (from Test #1).
 2)  Push the GO switch.  Make a  2  ON  OFF
 note after 5 seconds.
 (d)  Test 3 - Rate to Rudder (Move)______________________________
 1)  Engage the yaw damper and
 make sure the hydraulics
 are on (from Test #2).
 2)  Push the GO switch.  Make a  3  ON  OFF
 note after 1 second.
 (e)  Test 4 - Rate to Rudder (Integral)__________________________________
 1)  Engage the yaw damper and
 make sure the hydraulics
 are on (from Test #3).
 2)  Push the GO switch.  Make a  4  ON  OFF
 note after 40 seconds.
 (f)  Test 5 - Disengage Synchronization__________________________________
 1)  Disengage the yaw damper and
 make sure the hydraulics are off.
 2)  Push the GO switch.  Make a  5  ON  OFF
 note after 5 seconds.
 (g)  Test 6 - Derived Accel. First Step__________________________________
 1)  Disengage the yaw damper and make
 sure the hydraulics are off
 (from Test #5)

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10-60447 YAW DAMPER ú

 22-12-31
 COUPLER  ú
 ú 02 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 503Jul 15/98 

A 737-300/400/500MAINTENANCE MANUAL
 2)  Push the GO switch.  Make a  6  ON  OFF
 note after 1 second.
 (h)  Test 7 - Rate Gyro Filter 2___________________________
 1)  Disengage the yaw damper and
 make sure the hydraulics
 are off (from Test #6).
 2)  Push the GO switch.  Make a  7  ON  OFF
 note after 1 second.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10-60447 YAW DAMPER ú

 22-12-31
 COUPLER  ú ú 02 Page 504 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STEP____ MONITOR TEST LIGHTS NO.____ PASS____ FAIL
 (i)  Test 8 - Rate Gyro
__________________
 1)  Disengage the yaw damper and
 make sure the hydraulics are
 off (from Test 7).

 2)  Push the GO switch. Make a 8 ON OFF note after 1 second.
 S 865-008
 (2)  Return the BITE switch to OFF.
　
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