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ROYAL AIR FORCE. COMMON CORE AND DEPLOYMENT SKILLS AIDE-MEMOIRE
◉ Run out adequate hose to reach the fire, assistance may be required when negotiating doorways and corridors.
◉ Water discharge is controlled at the nozzle either by valve or control collar.
◉ When using water as an extinguishing media it should be directed at the base of the fire to cool the burning materials. It should not be used on liquid fuel fires or powered electrical appliances.
◉ Do not place yourself at risk and only attempt to fight the fire if safe to do so.
To conform with British Standards and European Legislation Standard all extinguishers are red in colour. However, each type of extinguisher is designated by a coloured band
9 LITRE STORED PRESSURE WATER FIRE EXTINGUISHERS (ALL RED)
The operation of a stored pressure water extinguisher is as follows:
◉ Release nozzle from its clip.
◉ Pull out the safety pin.
◉ Aim the nozzle towards the base of the fire and squeeze the carrying and operating levers together.
FOAM BASED FIRE EXTINGUISHERS (CREAM BAND)
The operation of a stored pressure foam extinguisher is as follows:
◉ Release the branch pipe from its clip.
◉ Pull out the safety pin.
◉ Aim the nozzle towards the fire and squeeze the carrying and operating levers together. Foam should be applied with a sweeping motion to cover all flammable liquid. To prevent splashing do not aim the foam jet directly into fuel.
2/5 kg CARBON DIOXIDE (C02) FIRE EXTINGUISHERS (BLACK BAND)
The operation of a C02 extinguisher is as follows:
◉ Remove the safety pin.
◉ Point discharge horn at fire.
◉ Apply the C02 gas cloud across the flame area.
◉ As there is a risk of cold bums do not hold exposed metal parts of the extinguisher.
◉ C02 extinguishers are not to be used to make an area inert when flammable vapours are present due to the presence of static electricity build up at the discharge horn.
◉ Be aware that on discharge the extinguisher is very noisy.
2/6/9/12 kg DRY POWDER FIRE EXTINGUISHERS (BLUE BAND)
The operation of a dry powder extinguisher is as follows:
◉ Hold upright.
◉ Remove the cover from the nozzle.
◉ Pull the safety pin.
◉ Aim nozzle at base of fire.
◉ Squeeze levers to operate.
◉ Release levers to interrupt discharge.
◉ Dry powder should be applied with a sweeping motion to cover all the flammable area.
10 kg C02 TROLLEY Mk 2 EXTINGUISHER (ALL BLACK)
The operation of the 10 kg C02 Trolley Mk 2 Extinguisher is as follows:
◉ Release retaining clamps.
◉ Uncoil hose.
◉ Extend applicator to required length and secure the
knurled locking collar, ensure the nozzle is in alignment with the control valve lever.
◉ Open C02 Cylinder Valve by turning hand wheel fully anti-clockwise.
◉ Direct applicator horn/nozzle towards the fire.
◉ Squeeze lever to control discharge of C02.
When operating a 10 kg C02Trolley Mk 2 Extinguisher the following points should be noted:
◉ As there is a risk of cold burns do not hold exposed metal parts of the extinguisher.
◉ C02 extinguishers are not to be used to make an area inert when flammable vapours only are present, due to the presence of static electricity build up at the discharge nozzle/horn.
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