S 032-031

 (3)  
Remove the bolts (2) that hold the override assembly (1) to the valve body.

 S 032-032

 (4)  
Remove the override assembly (1), the gaskets (3), and the position indicator plate (4) from the valve body.

 S 432-033

 (5)  
Put the gasket (3) and the override assembly (1) on the valve body. Make sure the tongue is engaged with the groove in the valve head. Move the valve head manually if necessary, to engage the tongue (Fig. 201, Detail A).

 S 432-034

 (6)  
Put the gasket (3) and the position indicator plate (4) on the override assembly. The words 'VALVE LOCKED PARTIALLY OPEN' must be in the highest position.

 S 852-035

 (7)  
Loosen the locknut (6) and turn the threaded shaft (5). Do this until the tongue engages in the slot on the bottom of the position indicator plate (4).

 S 432-036

 (8)  
Install and torque tighten the bolts (4) (AMM 71-11-04/401).

 (9)  
Close the fan cowl panel (AMM 71-11-04/401).

 S 862-038

 (10)
 On the overhead circuit breaker panel P11, remove the DO-NOT-CLOSE tags and close the circuit breaker to put back power ot the anti-icing PRV.

 S 862-037
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-21-99
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A

757
MAINTENANCE MANUAL

 E.  ON ENGINES WITH SB 30-9534; Procedure
 S 862-039
 (1)  
Open the circuit breakers on the overhead panel P11 to isolate the anti-icing PRV, and attach a DO-NT-CLOSE tags.

 S 012-040

 (2)  
Open the left fan cowl panel (AMM 71-11-04/401). Obey the
 precautions that apply to Kevlar wrapping.

 S 032-041

 (3)  
Disconnect the electrical connector (8) from the valve position indicator assembly.

 S 022-042

 (4)  
Remove the bolts (2) that attach the override assembly (1) and the valve position indicator assembly (7) to the valve body.

 S 032-043

 (5)  
Remove the override assembly (1), the gaskets (3), the position indicator plate (4) and the position indicator assembly (7) from the valve body.

 S 432-044

 (6)  
Put the gasket (3) and the override assembly (1) on the valve body. Make sur e the tongue is engaged with the groove in the valve head. Move the valve head manually if necessary to engage the tongue (Fig. 201, Detail B).
　
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本文鏈接地址：757 AMM 飛機維護手冊 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(81)