(b)  
Position and tighten the clamps (5) to hold the flex sleeves

 (2)
 to the distribution duct.

 S 424-038
 (5)
Connect the diffuser/hose assemblies (7) to the distribution duct

 (1)
 as follows:

 (a)  
Install the diffuser/hose assemblies (7) over the outlets on the distribution duct.

 (b)  
Install the 2-inch wide tape (6) over the ends of the diffuser/ hose assemblies (7) and the outlets on the distribution duct.

 S 424-072
 (6)  
Install the straps (8) to secure the distribution duct bracket assemblies (9).

 S 424-073

 (7)  
Tighten the clamps (10) that hold the flex sleeves (11) to the ends of the distribution duct.

 D.
Overhead Distribution Duct Test

 S 794-074
 (1)  
Do this check of the overhead distribution duct:

 (a)  
Supply pressure to the pneumatic system (AMM 36-00-00/201).

 (b)  
Put the L and R pack switch on the P5 air conditioning panel to the AUTO position.

 (c)  
Check the distribution duct to make sure there is no leakage of air at the connections.

 E.
Put the airplane back to its usual condition

 (1)  
Install the sculptured ceiling panel (AMM 25-22-01/401).

 S 414-062
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757 MAINTENANCE MANUAL
 (2)  S 864-063Remove DO-NOT-OPERATE tags from the L and R PACK selectors on the P5 panel.
 (3)  S 864-064Remove DO-NOT-OPERATE tags from the L and R RECIRC FAN switch-lights on the P5 panel.
 (4)  S 864-065Remove the electrical power if it is not necessary (AMM 24-22-00/201).

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757 MAINTENANCE MANUAL
 AIR CONDITIONING SYSTEM OUTLETS - REMOVAL/INSTALLATION
______________________________________________________
 1.  General_______
 A.  This procedure has instructions to remove and install the air
 conditioning outlets, which are in the sidewall of the passenger
 compartment.

 TASK 21-23-02-004-005
 2.  Remove the Sidewall Outlet (Fig. 401)__________________________
 A.  References
 (1)  
24-22-00/201, Electric Power - Control

 (2)  
25-28-02/401, Overhead Stowage Bin

 (3)  
51-31-01/201, Seals and Sealing

 B.  
Access

 (1)  
Location Zones
 221/222 Passenger cabin - section 41
 231/232 Passenger cabin - section 43
 241/242 Passenger cabin - section 44
 251/252 Passenger cabin - section 46

 C.  
Prepare for the Removal

 S 864-006
 (1)  
Supply electrical power (Ref 24-22-00).

 S 864-007

 (2)  
Push the L and R RECIRC FAN switch-lights, on the pilots overhead P5 panel, to the off position.

 (a)  
Make sure the INOP lights come on.

 (b)  
Put a DO-NOT-OPERATE tag on the switch-lights.

 S 864-008
 (3)  
Turn the L and R PACK selectors, on the P5 panel, to the OFF position.

 (a)  
Make sure the PACK OFF lights come on.

 (b)  
Put a DO-NOT-OPERATE tag on the selectors.

 (4)
Remove the applicable overhead stowage bin (AMM 25-28-02/401).

 S 014-009
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