S 434-073

 (4)  
Put the outer half clamp around the pressure switch and loosely install the two bolts and washers.

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 S 434-074
 (5)  
Install the three nuts, washers and bolts on the mounting bracket, then tighten the half-clamp bolts (AMM 70-51-00/201).

 S 434-075

 (6)  
Install the electrical connector (AMM 70-50-02/201).

 S 434-058

 (7)  
Install the adapter bolt, with a flat washer between the bolt and the interconnecting tube, and between the interconnecting tube and the pressure switch (AMM 70-51-00/201).

 S 434-059

 (8)
Safety the adapter bolt to the mounting bracket with lockwire.

 S 434-060

 (9)  
Install the flexible hose to the adapter tube bolt (AMM 70-51-00/201).

 S 434-061

 (10)
 Safety the hose connector and the adapter bolt with lockwire.

 S 434-062

 (11)
 Install the harness clip with the nut, bolt and washer (AMM 70-51-00/201).

 S 414-063

 (12)
 Close the left fan cowl panel (AMM 71-11-04/201).

 S 864-064

 (13)
 Remove the DO-NOT-CLOSE tags and close these P11 panel circuit breakers:

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

 (b)  
11C28 or 11C27, ENG ANTI-ICE RIGHT

 (14)
 Do the Test paragraph.

 S 704-065
 TASK 30-21-01-714-040
 6.  Test - High and Low Pressure Switch Installation________________________________________________
 A. References
 (1)  AMM 24-22-00/201, Electrical Power - Control
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 (2)  
AMM 36-00-00/201, Pneumatics - General

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 B. Procedure
 S 864-081
 (1)  
　
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