S 864-003

 (11)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P37 panel:

 (a)  37H1,  PASS READING LIGHTS FWD or
 PASS READING LIGHTS RIGHT FWD
 (b)  37H2,  PASS READING LIGHTS AFT or
 PASS READING LIGHTS RIGHT AFT
 (c)  37H3,  PASS READING LIGHTS MID FWD or
 PASS READING LIGHTS R MID FWD
 (d)  37H4,  PASS READING LIGHTS MID AFT or
 PASS READING LIGHTS R MID AFT

 S 864-004
 (12) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P70 panel:
 (a)  
70B18, LEFT PASS READING LTS FWD

 (b)  
70B19, LEFT PASS READING LTS AFT

 (c)  
70B20, LEFT PASS READING LTS MID FWD

 (d)  
70B21, LEFT PASS READING LTS MID AFT

 S 864-005
 (13) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
 (a)  
11P9, PASS SIGN CONT

 (b)  
11N8, PASS CALL LEFT

 (c)  
11N9, PASS CALL RIGHT

 (d)  
11A21, PASSENGER OXYGEN LEFT

 (e)  
11A23, PASSENGER OXYGEN RIGHT

 (f)  
11A24, PASSENGER OXYGEN CONT

 (g)  
11A25, PASSENGER OXYGEN MANUAL DEPLOY

 (h)  
11C22, PASS ADRS AMPL or PASS ADRS

 S 824-030
 (14) Adjust the passenger reading lights (AMM 33-23-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-23-01
 ALL  ú ú 03 Page 407 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 714-074
 (15)
 Make sure the PSU oxygen system operates correctly
 (AMM 35-21-00/501).

 S 714-075

 (16)
 Make sure the passenger signs operate correctly (AMM 33-24-00/201).

 S 714-077

 (17)
 Make sure the PSU speakers operate correctly (AMM 23-31-02/401).

 S 714-076

 (18)
 Make sure the call lights operate correctly (AMM 33-25-00/201).

 TASK 25-23-01-824-032
 4.  Adjust the Life Vest Access Door (Fig. 401)________________________________
 A. Access
 (1)  Location Zone
 200 Upper Half of Fuselage

 B. Procedure
 S 024-033
 (1)  
Remove the PSU (Refer to the Remove the PSU procedure).

 S 224-084

 (2)  
Make sure the dimension between the latch stiffener assembly and the edge of the life vest envelope compartment on the door is 0.71-0.81 inch (View B-B).

 S 824-006

 (3)  
If you do not get the 0.71-0.81 inch dimension, find the quantity of forward or aft movement of the latch stiffener assembly necessary to get the 0.71-0.81 inch dimension. Make a written record of this quantity.

 (4)  
Push the latch bar to open the life vest access door.

 S 034-035

 (5)  
Loosen the two mounting screws at each end of the latch stiffener assembly.

 S 824-036

 (6)  
Adjust the latch stiffener assembly forward or aft to the quantity specified in the written record.

 (7)
Tighten the mounting screws on the latch stiffener assembly.

 S 824-034
 S 434-037
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-23-01
 ALL  ú ú 04 Page 408 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 864-038
 (8)  
Close the life vest access door.

 S 824-039

 (9)  
Make sure the dimension between the latch stiffener assembly and the edge of the life vest envelope compartment on door is the same as before. Adjust the latch stiffener assembly if it is necessary.

 S 424-040

 (10)
 Install the PSU (Refer to the Install the PSU procedure).
　
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