(8)
AMM 32-09-02/201, Air/Ground Relays
(9)
AMM 33-16-00/501, Master Dim and Test
(10)
AMM 34-12-00/501, Air Data Computing System
(11)
AMM 34-21-00/501, Inertial Reference System
B. Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Control Cabin
(2)
Access Panel
119BL Main Equipment Center
C. Prepare for Removal
S 844-001
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILER PANELS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoiler panels.
S 864-002
(2)
For the left yaw damper module, open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a) 11A18, YAW DAMPER LEFT
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757 MAINTENANCE MANUAL
(b)
11C6, CSEU 1L AC
or
FLT CONT ELEC 1L AC
(c)
11C7, CSEU 1L DC
or
FLT CONT ELEC 1L DC
(d)
11C8, CSEU 2L AC
or
FLT CONT ELEC 2L AC
(e)
11C9, CSEU 2L DC
or
FLT CONT ELEC 2L DC
S 864-003
(3) For the right yaw damper module, open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE TAGS:
(a)
11F34, YAW DAMPER RIGHT
(b)
11G17, CSEU 1R AC
or
FLT CONT ELEC 1R AC
(c)
11G18, CSEU 1R DC
or
FLT CONT ELEC 1R DC
(d)
11G27, CSEU 2R AC
or
FLT CONT ELEC 2R AC
(e)
11G28, CSEU 2R DC
or
FLT CONT ELEC 2R DC
D. Procedure
S 844-004
CAUTION: DO NOT TOUCH THE YAW DAMPER MODULE BEFORE YOU DO THE PROCEDURE
_______ FOR ELECTROSTATIC DISCHARGE SENSITIVE DEVICES (AMM 20-41-01/201). ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE YAW DAMPER MODULE.
(1)
Do the procedure for electrostatic discharge sensitive devices (AMM 20-41-01/201).
(2)
Remove the yaw damper module (AMM 20-10-01/401).
S 024-035
TASK 22-21-04-424-033
3. Install Yaw Damper Module
_________________________
A. References
(1)
AMM 20-10-01/401, E/E Rack Mounted Components
(2)
AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
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MAINTENANCE MANUAL
(3)
AMM 22-21-00/501, Yaw Damaper System
(4)
AMM 24-22-00/201, Electrical Power - Control
(5)
AMM 27-21-00/501, Rudder and Rudder Trim Control System
(6)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
(7)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(8)
AMM 31-41-00/501, Engine Indication and Crew Alerting System
(9)
AMM 32-09-02/201, Air/Ground Relays
(10)
AMM 33-16-00/501, Master Dim and Test
(11)
AMM 34-12-00/501, Air Data Computing System
(12)
AMM 34-21-00/501, Inertial Reference System
B. Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Control Cabin
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