F. Put the Airplane Back to Its Usual Condition
S 414-019
(1)
Close the applicable (forward or aft) cargo compartment door.
S 864-020
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CARGO ELECTRONIC UNIT - REMOVAL/INSTALLATION
____________________________________________
1. General_______
A. This procedure has these tasks:
(1)
Removal of the Cargo Electrical Unit, referred to as the CEU.
(2)
Installation of the CEU.
B. The CEU is installed in the ceiling of each cargo compartment.
TASK 26-16-02-004-001
2. Cargo Electronic Unit Removal (Fig. 401)_____________________________
A. Access
(1)
Location Zones
208 Forward Cargo Compartment
218 Aft Cargo Compartment
(2)
Access Panels
4404R, Forward Cargo Compartment Door
4405R, Aft Cargo Compartment Door
B. Prepare for the Removal
S 864-002
(1) Open these circuit breakers and install DO-NOT-CLOSE tags:
(a) Circuit Breaker Panel, P6 or P18 1) FWD CARGO SMOKE DETECTION A 2) FWD CARGO SMOKE DETECTION B 3) AFT CARGO SMOKE DETECTION A 4) AFT CARGO SMOKE DETECTION B
S 014-003
(2) Open the applicable (forward or aft) cargo compartment door.
C. Remove the CEU
S 034-004
(1)
Remove the screws (4) that attach the cover (3) to the cargo compartment ceiling.
S 034-008
(2)
Remove the screws (2) that attach the CEU (1) to the ceiling bracket.
(3)
Disconnect the electrical connector from the CEU (1).
(4)
Remove the CEU (1).
S 034-006
S 024-009
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
AFT CARGO
COMPARTMENT
FORWARD
CARGO CARGO
COMPARTMENT ELECTRONIC
UNIT
SEE A
CEILING
CARGO BRACKET
ELECTRONIC
UNIT CARGO
SEE A CEILING ELECTRICAL
(REF) CONNECTOR
(2 LOCATIONS)
1. CARGO
ELECTRONIC
UNIT
2. SCREW
(6 LOCATIONS)
SEE B
4. SCREW
(12 LOCATIONS)
3. COVER
CARGO ELECTRONIC UNIT (EXAMPLE)
A
Cargo Electronic Unit Installation Figure 401 (Sheet 1)
G87125
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FIRE PROTECTION SYSTEM ú ú 01 Page 402 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
B
Cargo Electronic Unit Installation
Figure 401 (Sheet 2)
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FIRE PROTECTION SYSTEM ú ú 01 Page 403 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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