S 424-016
(4)
Align and hold the panel to install the screws and the trim strips.
S 424-025
(5)
Tighten the screws with washers.
S 414-017
(6)
Put the trim strips into the bottom edges of the panel and lift to the lower shockmounts.
S 424-018
(7)
Tighten the screws at the lower shockmounts.
S 424-019
(8)
Tighten the screws while you install the trim strips to align the panel.
S 424-028
(9)
Install the carpet risers.
D. Put the Airplane Back to its Usual Condition
S 414-020
(1)
Install the passenger seats if you removed them for access.
(2)
Supply electrical power (Ref 24-22-00/201).
(3)
Do a operation check of the panel washlight.
S 864-023
(4)
Remove the electrical power if it is not necessary (Ref
24-22-00/201).
S 864-021
S 714-022
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25-21-46
ALL ú ú 02 Page 403 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
LOWERED CEILING PANELS - REMOVAL/INSTALLATION
_____________________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the Lowered Ceiling Panels
(2)
The installation of the Lowered Ceiling Panels
B. The Lowered Ceiling Panels installed near the entry and service doors on the forward and aft ends of the passenger compartment.
C. The panels on the ceiling access door and entry light are installed on hinges (hinge panels) and the other panels are stable (stable panels).
TASK 25-21-71-004-001
2. Lowered Ceiling Panel Removal_____________________________
A. References
(1)
24-22-00/201, Manual Control
(2)
25-23-13/401, Attendant and Lavotory Service Units
B. Access
(1) Location Zones
107 Fwd Half of Cabin
108 Aft Half of Cabin
C. Prepare for the Removal
S 864-002
(1)
Remove the electrical power (Ref 24-22-00/201).
S 014-003
(2)
Remove all equipment or furnishings which prevent the panel removal.
D. Remove the Ceiling Panels
S 024-020
CAUTION:_______BE CAREFUL WITH THE PANELS. YOU CAN CAUSE DAMAGE TO THE SURFACES OF THE PANEL IF YOU HIT THEM OR GET THEM DIRTY.
(1) Remove the hinge panels (Access Doors and Entry Lights).
(a) Release the latches (Detail B):
1) Hold the panel,
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25-21-71
ALL ú ú 01 Page 401 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CURVEDCEILING PANEL
4
ENTRY
1
LIGHT ACCESS DOOR
B CB
EXHAUST INLET LANYARD
SEE A C SEE C
A
A
GALLEY SPEAKER
ATTACHMENT
ACCESS DOOR
CUTOUT TRANSITION1 LOWERED CEILING PANEL PANEL (EXAMPLE)
AIRSTAIR
0.00-0.04 INCH
CONTROL
PERMITTED GAP
EXHAUST
AIR HOSE
EXHAUST
AIR INLET TRANSITION PANEL
CURVED CEILING PANEL
HOSE
CLAMP
FWD
0.00-0.04 INCH PERMITTED GAP
A-A
1 HINGE AND LATCHES SAME AS IN SECTION B-B; LANYARD SIMILAR TO C
A
2 GAP AT CURVED CEILING PANEL SAME AS IN SECTION A-A
3 ARRANGEMENT SIMILAR TO SECTIONS B-B AND C-C
4 PANEL INBOARD EDGES ENGAGE WITH AIR OUTLET EXTRUSION
Lowered Ceiling Installation Figure 401 (Sheet 1)
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