S 864-021
 (2)  
Open the applicalbe circuit breaker on the overhead breaker panel, P 11 and attach a DO-NOT-CLOSE tag:

 (a)  
11C28, WING ANTI-ICE or ANTI-ICE WING

 (b)  
11C29, WING ANTI-ICE

 (c)  
11D29, WING ANTI-ICE

 (d)  
11R20, WING ANTI-ICE

 (3)  
Remove the wing and engine anti-ice control panel from the P5 panel.

 S 024-003
 TASK 30-11-01-404-004
 3.  Install Control Panel_____________________
 A.  References
 (1)  24-22-00/201, Electrical Power - Control
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-11-01
 ALL  ú ú 02 Page 401 ú May 28/99

A

757
MAINTENANCE MANUAL

 (2)  36-00-00/201, Pneumatic - General
 B. Access
 (1)  Location Zones
 211 Control cabin (Left)
 212 Control cabin (Right)

 C. Procedure
 S 424-005
 (1)
Install the wing and engine anti-ice control panel in the P5 panel.

 S 864-006

 (2)  
Remove the DO-NOT-CLOSE tags, and close these P11 panel circuit breakers:

 (a)  
11C26 or 11C27, ENG ANTI-ICE LEFT

 (b)  
11A34, INDICATOR LIGHTS 3

 (c)  
11A35, INDICATOR LIGHTS 4

 (d)  
11R19, ICE DETECTOR (IF INSTALLED)

 S 864-022
 (3)  Open the applicable circuit breaker on the overhead breaker panel, P11, and attac h a DO-NOT-CLOSE tag:
 (a)  
11C28, WING ANTI-ICE or ANTI-ICE WING

 (b)  
11C29, WING ANTI-ICE

 (c)  
11D29, WING ANTI-ICE

 (d)  
11R20, WING ANTI-ICE

 D. Do a test of the control panel as follows:
 S 864-009
 (1)  
Supply electrical power (Ref 24-22-00).

 S 864-010

 (2)  
Remove the pressure from the pneumatic system (Ref 36-00-00).

 S 864-011

 (3)  
Push and release the WING ANTI-ICE switch-light and do the steps that follow:

 (a)  
Make sure the WING ANTI-ICE switch latches.

 (b)  
Make sure the WING ANTI-ICE switch-light comes on and shows ON.

 (c)  
Make sure the two wing anti-ice VALVE lights come on.

 S 864-012
 (4)  Push and release the WING ANTI-ICE switch-light and do the steps that follow:
　
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