__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
24-42-00-861-001  Energize the Ground Service Network from the External Power
 24-42-00-862-001  De-energize the Ground Service Network Supplied from
 the External Power 25-24-00-710-001 Adjustment of the Overhead Stowage-Compartment Doors 25-24-41-991-015 Fig. 405
 3. Job Set-up
__________
 Subtask 25-24-41-860-051

 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001)
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25-24-41Page 421

R  4. Procedure_________ 
R  Subtask 25-24-41-420-062 
R  A. Installation of the Door 
R  (Ref. Fig. 405/TASK 25-24-41-991-015) 
R  (1) Clean the component interface and/or the adjacent area. 
R  (2) Do an inspection of the component interface and/or the adjacent area. 
R  (3) Make sure that the parts retained from the removed component are 
R  clean and in the correct condition. 
R  (4) Put the door (1) in position and align the holes in the door with the 
R  holes in the hinge (4). 
R  (5) Install the screws (2) and the washers (3) and torque the screws (2) 
R  to between 0.22 and 0.26 m.daN (19.46 and 23.00 lbf.in). 
R  Subtask 25-24-41-820-050 
R  B. Adjustment of the Door 
R  (1) If necessary, adjust the distance between the doors (1) (Ref. TASK 
R  25-24-00-710-001), refer to Para. 4. A. (2). 
R  5. Close-up________ 
R  Subtask 25-24-41-862-051 
R  A. De-energize the ground service network 
R  (Ref. TASK 24-42-00-862-001).

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25-24-41Page 422
Aug 01/02

 PASSENGER SERVICE/INFORMATION UNITS (PSIU) - DESCRIPTION AND OPERATION
______________________________________________________________________
 1. General
_______
 The Passenger Service/Information Units (PSIUs) are installed in the passenger service channel to give service and information to the passengers.
 2. Component Location
__________________ R (Ref. Fig. 001, 002, 003, 004)
 3. System Description
__________________
 The PSIUs are installed in the passenger service supply channels. The passenger service supply channels are located on the bottom side of the the overhead stowage compartments.
 The PSIUs are hung from the attachment rails and held in position with the section hose. The clamping blocks, installed in different positions prevent the PSIUs from moving in a FWD/AFT direction. The spaces between the PSIUs are filled with blank filler panels. The filler panels have different dimensions. This will let you position the PSIUs correctly to agree with customer seat layouts.
 NOTE : For description and operation of the PSIUs installed in the
____
 lavatories, refer to 25-45-00.

 Each PSIU has two primary units:
 -
the Passenger Service Unit (PSU), installed above each seat row,

 -
the Passenger Information Unit (PIU), installed above each second seat

 row.
 Video units can be installed in the service channels for visual
 entertainment of the passengers (Ref. 23-36-00).

 4. Power Supply
____________
 For the power supply of the reading lights and the lighted signs, refer to 33-20-00.
 5. Interface
_________
 The PSIUs have interfaces with:
 -
the air conditioning system (Ref. 21-00-00),

 -
the communication system (Ref. 23-00-00),

 -
the lighting system (Ref. 33-20-00),

 -
the oxygen system (Ref. 35-20-00).

 EFF : ALL
25-25-00Page 1

 Passenger Service/Information Unit (PSIU) - Component Location
 Figure 001

 EFF : ALL
25-25-00Page 2

Feb 01/98
　
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