Britannia Fire BW6 Handbuch

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BRITANNIA

RANGE

EXTINGUISHER

SERVICING &

MAINTENANCE

INSTRUCTIONS

Cartridge Operated

Water Based extinguishers

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SPINTRO REV 5: September 2010

PROCEDURES FOR SERVICING THE BRITANNIA RANGE OF

HAND PORTABLE FIRE EXTINGUISHERS

Introduction

The commissioning and servicing of fire fighting equipment must be carried out by a competent

person using the correct tools to follow these manufacturer’s instructions and any National

standards required in the relevant Country.

This maintenance should be performed at least annually. The extinguishers should be visually

inspected at least quarterly, but preferably monthly, by the user, to ensure that the equipment

is in its designated position, has not been used and has not been tampered with.

Servicing and recharging should be carried out in a clean dry environment. All recharge

materials and spare parts must be as specified by the manufacturer. Particular attention is

drawn to replacement CO2 cartridges, which must be obtained from the Manufacturer. Minor

differences in cartridge design may affect the correct operation of the extinguisher.

In the event that an extinguisher cannot immediately be rendered suitable for continued

service, it must be marked ‘NOT MAINTAINED’ until it can be repaired/recharged.

The competent person must advise the user of any equipment, which is either condemned or

unfit for service and make any recommendations for replacement and/or remedial work.

Always check the security and suitability of the hanging bracket, and that the extinguisher is of

the right type for the prevalent risk.

If the extinguisher is to be sited in a hazardous/corrosive environment i.e. marine use, the

inspection periods should be more frequent. The effects of the environment should be

considered, with particular reference to corrosion and legibility of marking instructions. If there

is corrosion or the markings are not legible, then the extinguisher should be withdrawn from

service. This is a requirement of the Marine Equipment Directive.

It is essential that extinguishers are not subjected to temperatures outside of the temperature

range stated on the extinguisher.

Extinguishers should remain in their allocated location, and should be used only for the

purposes of extinguishing a fire. On no account should the extinguisher be removed for any

other purpose, and should not be subjected to any impact, force, heat, abrasion or any other

misuse or condition that may be detrimental to the integrity of the extinguisher.

Failure to use the recommended spare parts and adhere to these maintenance instructions may

cause the extinguisher to malfunction or prevent it from operating altogether. This may

invalidate the warranty and the manufacturer accepts no liability in the event that these

instructions are not followed.

Care must be taken to ensure that residual media (powder and foam) are disposed of in

accordance with environmental legislation. Where facilities exist, condemned extinguishers and

components should be recycled.

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SPCOL REV 3: September 2010

SERVICING PROCEDURE FOR BRITANNIA FIRE EXTINGUISHERS

CARTRIDGE OPERATED LIQUID MODELS

MODEL NO'S: BW6, BW9, BT6, BT9, BAF9, BAQ6, BAQ9, BTU3, BTU6

1. Remove extinguisher from hanging bracket and check security of the bracket, rectify if

necessary. Check exterior of extinguisher for corrosion or damage, if found withdraw from

service.

2. Ensure safety pin is in position and the extinguisher has not been completely or partially

discharged. If the extinguisher has been completely or partially discharged, discontinue

servicing procedure and commence recharge procedure (ref. RPCOL).

3. Ensure instruction label is legible, rectify as necessary. Check for damage/corrosion to

extinguisher body. If damage/corrosion is found, mark the extinguisher as condemned

and/or remove from service.

4. Weigh extinguisher and compare mass to that recorded when the extinguisher was

commissioned or last discharge tested. Recharge the extinguisher if there is a difference of

more than 10% of the content weight.

5. Ensure your body/head is not directly over extinguisher. Remove the headcap using the

nutring spanner [Part Ref: HCS] (warning: should pressure issue from vents, allow pressure

to escape before complete removal of headcap). Do not use blunt instrument, i.e. screw

driver etc.

6. Check liquid level ensuring level is below the hanging bracket. Add or remove liquid to

correct level if necessary.

7. Inspect the interior of the extinguisher for evidence of lifting or cracking of the polythene

lining, or corrosion. If found, mark as condemned and remove from service.

8. Unscrew CO2Cartridge from headcap, clean and check for damage lifting of plastic coating,

corrosion and age of cartridge (must be changed if older than 10 years from date of

manufacture), replace if necessary with new cartridge from manufacturer.

9. Checkweigh cartridge against marked weight. Replace if loss of contents is in excess of 10%.

10. Wipe headcap valve clean, check for damage. Remove safety pin and squeeze levers

ensuring free movement of the firing pin/spindle. Check for blockages and valve shut off by

blowing through hose whilst opening and closing valve. Ensure nutring vents are clear.

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11. Clean and check condition of firing pin and spindle, cartridge holder, discharge tube and gas

tube, if applicable, and filter. Replace if any part shows signs of deterioration. Fit new

Headcap ‘O’ring.

12. Check discharge hose, nozzle and hose clips for wear, cuts or abrasions. Replace if

necessary.

13. Refit safety pin, service indicator and seal (in accordance with service colour code). Refit

original or new CO2cartridge.

14. Clean extinguisher neck threads and refit headcap using nutring spanner [Part Ref: HCS] (do

not use blunt instrument).

15. Fill in details of service on service label, including extinguisher weight, using indelible pen.

Clean extinguisher and hang on wall bracket.

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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 CO2cartridge 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

CO2cartridge 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.

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