26-24-11
 ALL  ú ú 01 Page 603 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 PORTABLE FIRE EXTINGUISHING - DESCRIPTION AND OPERATION
_______________________________________________________
 1.  General_______
 A.  Portable fire extinguishers are installed in several general locations in the passenger compartment. If the extinguisher is not easy to see, the location will be identified with a placard. The extinguishers are usually installed in one or more of these areas: galley or lavatory stowage areas, closets, doghouses, or near attendant seats. A fire extinguisher is also installed in the flight compartment.
 B.  The portable extinguishers are attached to wall-mounted brackets by quick-release mounting straps.
 2.  Component Details (Fig. 1)_________________
 A.  Halon Extinguishers
 (1)  
Halon extinguishers are used to extinguish electrical and flammable liquid fires.

 (2)  
The halon extinguisher is rechargeable. A pressure gage shows when you must recharge or replace the fire extinguisher.

 (3)  
To operate the extinguisher, pull the handle locking pin. Hold the extinguisher upright and squeeze the handle and lever together. Point the nozzle flow at the base of the fire. The halon extinguishing agent leaves no residue after discharge.

 B.  Pressurized Water Extinguishers
 (1)  
Pressurized water extinguishers are used to extinguish nonelectrical fires.

 (2)  
The water extinguisher is rechargeable. An antifreeze is added to the water to prevent freezing.

 (3)  
A carbon dioxide cartridge is mounted on the handle of the extinguisher. To operate the extinguisher, turn the cartridge. This punctures the cartridge and pressurizes the water container. Push the trigger and aim the nozzle flow at the base of the fire.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH PORTABLE FIRE ú

 26-26-00
 EXTINGUISHING  ú ú 01 Page 1 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

FIRE EXTINGUISHER PLACARD

CARTRIDGE
TRIGGER
QUICK-RELEASE MOUNTING STRAP
MOUNTING BRACKET

PRESSURIZED WATER FIRE EXTINGUISHER (EXAMPLE)  BCF FIRE EXTINGUISHER (EXAMPLE) 
Portable Fire Extinguishers Figure 1 

G91384
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH PORTABLE FIRE ú

 26-26-00
 EXTINGUISHING  ú ú 01 Page 2 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 HALON FIRE EXTINGUISHER - INSPECTION/CHECK
_____________________________________________
 1.  General_______
 A.  This procedure has a task to inspect the portable halon fire
 extinguishers.

 B.  The portable fire extinguishers are installed in several general locations in the passenger compartment and flight compartment. If the extinguisher is not easy to see, the location will be indentified with a placard. The extinguishers are usually installed in one or more of these areas: galley or lavatory stowage areas, closets, doghouses, or near attendant seats. There is one halon extinguisher installed in the flight compartment.
 C.  To service or recharge the fire extinguisher, refer to the applicable vendor manuals.
 TASK 26-26-01-216-001
 2.  Halon Fire Extinguishers Inspection/Check_________________________________________
 A.  References
 (1)  IPC 26-23-00
 B.  Access
 (1)  Location Zones
 101 Control Cabin
 102 Control Cabin
 107 Cabin
 108 Cabin

 C.  Procedure
 S 216-002
 (1)  
Make sure the instruction decal and the nameplate are in good condition.

 S 216-003

 (2)  
Make sure the mounting bracket is attached correctly to the airplane.

 S 216-004

 (3)  
　
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