R 1EFF : 001-049, 051-099, 101-105, 1 21-31-51Page 459 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 403A/TASK 21-31-51-991-005-A)
R **ON A/C 062-099, 103-149, 151-199, 201-299, 301-399, 401-499,
WARNING : DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT
_______ IS PRESSURIZED. A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED.
-WILL CAUSE EXPLOSIVE DECOMPRESSION.
-CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT/EQUIPMENT.
WARNING : OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN.
_______ ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT. THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED. PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS. IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
(1)
Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform in position at the AFT cargo-compartment door
826.
(3)
Remove the access panel 162CW (Ref. TASK 25-55-12-000-003).
(4)
Remove the bolt (27), the washer (28) and disconnect the bonding straps (4) and (11).
(5)
Release the quick-release fasteners (12) and remove the grill (9) from the retaining clips (10).
(6)
Remove the grill (9) from the aircraft.
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Electronics Module 10HL-1 (10HL-2) - Component Location Figure 403A/TASK 21-31-51-991-005-A
R 1EFF : 106-149, 151-199, 201-299, 301-399, 1 21-31-51Page 461 1401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C ALL
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-105,
(Ref. Fig. 403/TASK 21-31-51-991-005) R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 403A/TASK 21-31-51-991-005-A)
**ON A/C 001-049, 051-061, 101-102,
Subtask 21-31-51-020-051
A. Removal of the Electronics Module
(1)
For the electronics module (10HL-1)
(a)
Disconnect the electrical connectors (3) 10HL-A and (32).
(b)
Put blanking caps on the disconnected electrical connectors.
(2)
For the electronics module (10HL-2)
(a)
Disconnect the electrical connectors (1) 10HL-B and (38).
(b)
Put blanking caps on the disconnected electrical connectors.
(3)
Release the screws (31) from the top and the bottom of the electronics module (33) 10HL-1 and/or (34) 10HL-2.
(4)
Remove the electronics module (33) and/or (34).
R **ON A/C 062-099, 103-149, 151-199, 201-299, 301-399, 401-499,
Subtask 21-31-51-020-051-A
A. Removal of the Electronics Module
(1)
For the electronics module (10HL-1)
(a)
Disconnect the electrical connectors (3) 10HL-A and (32).
(b)
Put blanking caps on the disconnected electrical connectors.
(2)
For the electronics module (10HL-2)
(a)
Disconnect the electrical connectors (1) 10HL-B and (35).
(b)
Put blanking caps on the disconnected electrical connectors.
(3)
Release the screws (31) from the top and the bottom of the electronics module (33) 10HL-1 and/or (34) 10HL-2.
(4)
Remove the electronics module (33) and/or (34).
R 1EFF : 062-099, 103-149, 151-199, 201-299, 1 21-31-51Page 463 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C ALL
TASK 21-31-51-400-002
Installation of the Outflow Valve (10HL) - Electronics Module 10HL-1 (10HL-2)
WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______ FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
NOTE : The procedure is the same for the electronics modules 1 and 2.
____
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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