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RPCOL
REV 3: September 2010
RECHARGING PROCEDURE FOR BRITANNIA RANGE CARTRIDGE OPERATED LIQUID MODELS
MODEL NO'S: BW6, BW9, BT6, BT9, BAF9, BAQ6, BAQ9, BTU3, BTU6
THESE RECHARGE PROCEDURES SHOULD BE USED IF COMPLETE OR PARTIAL USE OF THE
EXTINGUISHER IS SUSPECTED.
1.
Check for signs of damage or corrosion to extinguisher if found. Do not continue recharge
procedure, mark extinguisher 'condemned' and inform user. Ensure instruction label is
legible, rectify as necessary.
2.
Ensure pressure is relieved by inverting extinguisher and squeezing the levers together
slowly (whilst pointing nozzle down and away).
3.
Ensure your body/head is not directly over extinguisher. Loosen headcap, using nutring
spanner [Part Ref: HCS] (do not use hammer or other blunt instrument). Remove headcap
slowly, allowing residual pressure to escape through vent holes.
4.
Empty residual liquid from extinguisher and rinse with clean water.
5.
Inspect the internal lining for signs of detachment, cracks or corrosion. If found, remove
from service and replace.
6.
Refill the cylinder to the correct level (making allowance for any additives, if applicable).
Then add foam concentrate/additives, ensuring manufacturers specifications are met.
7.
Remove CO
2
cartridge and discard, inspect headcap and components, replacing any parts
that appear damaged or show signs of deterioration. Blow through nozzle whilst opening
and closing valve. If signs of blockage, rectify.
8.
Fit safety pin and seal (in accordance with service colour code). Checkweigh replacement
CO
2
cartridge and fit to headcap, ensuring it is the correct size and type as supplied by the
manufacturer.
9.
Fit new headcap 'O' ring and check nutring vent holes and refit headcap assembly to
extinguisher body using nutring spanner [Part Ref: HCS].
10.
Record recharge details on service label, including new weight, and return extinguisher to
original position.
