(2)
Make sure the temperature indicator is all gray instead of black.
S 752-012
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MAINTENANCE MANUAL
S 432-013
(3)
If one or more of the patches are black, replace the temperature indicator and make a check of the bottle for melted fusible tips. If the fusible tips are melted, the bottle has discharged.
S 432-014
(4)
If the bottle has discharged, replace the bottle.
TASK 26-24-01-702-015
4. Automatic Fire Extinguisher Bottle - Inspection/Check
______________________________________________________
A. Procedure
S 022-016
(1)
The total weight of the halon and the bottle is provided on the label of each bottle. Replace the bottle if its weight is 10 grams less than weight marked on bottle.
S 752-017
(2)
Check the bottle for corrosion, scratches, dents or leakage by weighing). Dents deeper than 1/16 inch per inch of average dent diameter or scratches deeper than 0.004 inch are cause for rejection and replacement.
TEMPERATURE INDICATOR
SEE
MOUNTING SCREW (2 LOCATIONS)
HEAT-FUSIBLE NOZZLE
NOZZLE SEAL BLACK WHEN TEMPERATURE IS ABOVE 180`F
TEMPERATURE INDICATOR
Automatic Fire Extinguisher - Installation
Figure 201
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757 MAINTENANCE MANUAL
PORTABLE FIRE EXTINGUISHING - DESCRIPTION AND OPERATION
_______________________________________________________
1. General_______
A. Portable fire extinguishers can be installed in several general locations in the airplane. 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, 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.
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