(10)
Disconnect the electrical wires to the oxygen mask box for the door latch actuator (Ref 35-22-21/401).
S 034-015
(11)
Disconnect the mask box oxygen generator (Ref 35-22-11/201).
S 034-016
(12)
Disconnect the lavatory ceiling light from the wires (Ref 33-26-00/201).
S 024-002
(13)
Remove the pin from the attach bracket, and move the tie-rod away from the bracket.
NOTE: Attach the tie-rod to the overhead structure with the tape.
____
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737-300/400/500MAINTENANCE MANUAL
S 034-003
(14) Remove the catch basin:
NOTE: The shear pin bushings stay with the catch basin when the
____
catch basin is removed.
(a)
Remove the fasteners for the spill guard.
(b)
Remove the spill guards from the forward and aft partitions.
(c)
From below the lavatory, remove the clamp from the four-inch drain tube of the toilet tank.
(d)
Disconnect the semi-rigid portion from the rigid (drain tube adapter) portion.
(e)
Remove the fasteners from the adapter of the toilet drain tube, the lavatory floor drain, and the shear pins.
(f)
Discard the gaskets.
(g)
From the lavatory, remove shear pins (two positions) from bushings, mounting ring of the floor drain, and the drain tube of the toilet tank.
(h)
Discard the gaskets.
(i)
Lift the catch basin and remove it from the lavatory.
S 034-017
(15) At the fire shroud, push the disconnected cables and hose through the shroud.
NOTE: Make sure the cables and flush line are sufficiently clear of
____ the fire shroud to permit the lavatory to be moved inboard without damage to the shroud, cables or line.
S 024-018
(16)
Remove the sealant and fasteners that attach the partitions to the floor and sidewall structure.
S 034-019
(17)
Remove the foam strip below the fire shroud.
(18)
Lift the lavatory sufficiently to be clear of the drip pan.
S 024-021
(19)
Move the lavatory inboard sufficiently to get access to the area outboard of the lavatory.
S 024-020
TASK 25-41-22-404-022
3. Mid Cabin Lavatory - Installation
_________________________________
A. Consumable Materials
(1) A00246 Sealant - BMS 5-95, Class B
B. References
(1) 23-31-11/401, PSU Speakers
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737-300/400/500MAINTENANCE MANUAL
(2)
25-21-25/401, Sidewall Lining Panels (Aft Entry
and Aft Service Doorways)
(3)
25-21-46/401, Sidewall Panels
(4)
25-21-71/401, Lowered Ceiling Panels
(5)
25-41-11/401, Lavatory Sink Cabinet
(6)
25-41-16/401, Aft Lavatory Partition
(7)
26-14-11/401, Lavatory Smoke Detector
(8)
33-26-00/201, Lavatory Lights
(9)
35-22-11/201, Oxygen Generator
(10)
35-22-21/401, Door Latch Actuator
(11)
38-32-51/401, Toilet Waste Tank
C. Access
(1) Location Zones
118 Lavatory
103 Forward Lavatory
D. Procedure
S 424-023
(1)
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