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30-21-99
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757 MAINTENANCE MANUAL
S 432-025
(10)
Install and torque tighten the bolts (2) (AMM 70-51-00/201).
S 432-026
(11)
Connect the electrical connector (8) to the valve position indicator assembly (7) (AMM 70-50-02/201).
S 862-027
(12)
Close the fan cowl panel (AMM 71-11-04/401).
S 862-061
(13)
On the overhead circuit breaker panel P11, remove the DO-NOT-CLOSE tags and close the circuit breaker to put back the power to the anti-icing PRV.
TASK 30-21-99-042-064
3. Put the Anti-Ice PRV Override Devices to Valve Locked Partially Open_______________________________________________________________________ Position (Fig. 201)________
A. References
(1)
AMM 06-43-00/201, Engine and Nacelle Strut Access Doors and Panels
(2)
AMM 70-50-02/201, Connection of Electrical Plugs
(3)
AMM 70-51-00/201, Torque Tightening Technique
(4)
AMM 71-11-04/201, Fan Cowl Panels
(5)
AMM 78-31-00/201, Thrust Reverser System
B. Access
(1)
Location Zones
410/420 No. 1 and No. 2 Powerplant
(2)
Access Panels
413AL Fan Cowl Panel - Left
423AL Fan Cowl Panel - Right
C. Prepare for the Procedure
S 042-090
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE THRUST REVERSERS TO
_______ PREVENT THE OPERATION OF THE THRUST REVERSERS. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Do the Thrust Reverser Deactivation for Ground Maintenance procedure (Ref 78-31-00/201).
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757
MAINTENANCE MANUAL
D. ON ENGINES WITHOUT SB 30-9534; Procedure
S 862-029
(1)
Open the circuit breakers on the overhead panel P11 to isolate the anti-icing PRV and attach DO-NOT-CLOSE tags.
S 012-030
(2)
Open the left fan cowl panel (AMM 71-11-04/401). Obey the
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本文链接地址：757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(80)
