757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(55)

 S 435-039

 (12)
 Connect the electrical connector on the low pressure switch.

 S 215-040

 (13)
 Make sure the right engine anti-ice VALVE light on the P5 panel comes on.

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757
MAINTENANCE MANUAL

 S 215-041
 (14)
 Make sure the EICAS level C alert message R ENG ANTI-ICE is shown on the EICAS display.

 S 485-085

 (15)
 Put a jumper between pins 1 and 2 of the high pressure electrical connector. Make sure the EICAS message R ENG TAI VALVE is shown on the EICAS display.

 S 085-086

 (16)
 Remove the jumper from between pins 1 and 2 of the high pressure switch electrical connector.

 S 435-097

 (17)
 Connect the electrical connector to the high pressure switch.

 S 435-045

 (18)
 Connect the electrical connector to the TAI valve.

 S 865-090

 (19)
 Put the R ENGINE ANTI-ICE switch-light on the P5 panel in the OFF position.

 H. Put the Airplane Back to Its Usual Condition
 S 415-091
 (1)  
Close the left fan cowl on the left or right engine (Ref 71-11-04).

 S 865-088

 (2)  
Put the engine shutdown inhibit back on the EICAS computers (Ref 31-41-00).

 S 445-092

 (3)
Do the Thrust Reverser Activation procedure (Ref 78-31-00).

 S 865-087

 (4)
Remove electrical power, if it is not necessary (Ref 24-22-00).

 TASK 30-21-00-735-053
 3. Operational Test - Engine Inlet TAI High Pressure Switch Circuitry
__________________________________________________________________
 NOTE: This procedure is a scheduled maintenance task.
____
 A. References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
31-41-00/201, Engine Indication and Crew Alerting System (EICAS)

 (3)  
71-11-04/201, Fan Cowl Panels

 (4)  
78-31-00/201, Thrust Reverser System

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