26-23-00
FIRE EXTINGUISHING SYSTEM ú ú 02 Page 507 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C.
D.
E.
F.
A
737-300/400/500MAINTENANCE MANUAL
Consumables
(1) C00913 -- Compund, Nondrying Resin Mix Corrosion Inhibiting Material
-BMS 3-27Access
(1)
Location Zones 208 Forward Cargo Compartment 218 Aft Cargo Compartment
(2)
Access Panels 4404R, Forward Cargo Compartment
Prepare for the Test
S 015-032
(1)
Open the forward cargo door, 4404R.
S 015-033
(2)
Remove the lining at the aft end of the forward cargo compartment to
get access to the fire extinguishing bottle.Discharge Tube Flow Test
S 035-034
(1)
Disconnect the discharge tube from the discharge ports on the cargo fire bottle.
S 485-035
(2)
Connect a pressure source to the forward cargo discharge tube.
(a)
Make sure air is flowing through all the nozzles in the forward cargo compartment.
(b)
Make sure air is not flowing through all of the nozzles in the aft cargo compartment.
S 085-036
(3)
Remove the pressure source from the forward cargo discharge tube.
S 485-037
(4)
Connect a pressure source to the aft cargo bottle discharge tubes.
(a)
Make sure air is flowing through all the nozzles in the aft cargo compartment.
(b)
Make sure air is not flowing through all of the nozzles in the forward cargo compartment.
(5)
Remove the pressure source from the aft cargo discharge tube.
S 435-039
(6)
Connect the discharge tubes to the discharge ports on the bottle.
S 085-038
(a) Apply a layer of compound, BMS 3-27 to the threads where the tube attaches to the discharge port.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH LOWER CARGO ú
26-23-00
FIRE EXTINGUISHING SYSTEM ú ú 02 Page 508 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b) Connect the discharge tube to the discharge port.
NOTE: The yellow tube supplies extinguishant to the
____ forward cargo compartment. The blue tube supplies extinguishant to the aft cargo compartment.
(c)
Remove all unwanted compound, BMS 3-27.
(d)
Tighten the nut on the tube assembly.
G. Put the Airplane Back to its Usual Condition
S 415-040
(1)
Install the lining at the aft end of the forward cargo compartment.
S 415-041
(2)
Close the forward cargo door, 4404R.
TASK 26-23-00-705-042
6. Discharge Tube Pressure Test
_____________________________
A. Equipment
(1)
Source - Pressure, Capable of Supply 55 |5 psig
(2)
B26002-1 Cargo Fire Extinguisher Discharge Lines Extinguisher -Test Equipment 81205 Boeing Co., The 7755 E Marginal Way P O Box 3707, Seattle, WA 98124
B. Consumables
(1) C00913 -- Compound, Nondrying Resin Mix Corrosion Inhibiting Material - BMS 3-27
C. Access
(1)
Location Zones
208 Forward Cargo Compartment
218 Aft Cargo Compartment
(2)
Access Panels
4404R, Forward Cargo Compartment
D. Prepare for the Test
S 015-044
(1)
Open the forward cargo door, 4404R.
S 015-045
(2)
Remove the lining at the aft end of the forward cargo compartment to get access to the fire extinguishing bottle.
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