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Administration Manual - B.E.S.T. Undertaking.

Administration Manual - B.E.S.T. Undertaking.

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B. Fire Extinguishers - Foam Type :<br />

1057<br />

The routine maintenance, inspection and testing shall be<br />

carried out in accordance with the following requirements :<br />

a. Routine Maintenance :<br />

Same as for Soda Acid Type Fire Extinguishers as in the case of Foam type Fire<br />

Extinguishers.<br />

b. Quarterly Inspection :<br />

Once in three months, the extinguishers shall be inspected and necessary adjustments carried<br />

out as follows :<br />

Unscrew cap and check that the cap washer is soft and intact and the vent holes in the threaded<br />

portion of the cap and the plunger disc are clear. Also, check the plunger rod for proper working so<br />

that it is neither too loose nor too tight. Adjust tightness, if any, in the same way as in case of Soda<br />

Acid Type Extinguishers.<br />

Withdraw the inner container, unscrew its top portion, examine the mica disc and stir the<br />

solutions in the inner and outer containers with separate clean and dry sticks. Top up with clean and<br />

fresh water as necessary. Do not use the same stick for stirring both solutions and do not pour the<br />

solutions into any receptacle for stirring. Insert the mica disc in the recess in the top portion of the<br />

inner container and screw on the top portion to the inner container.<br />

Replace the inner container gently and screw on the cap tightly after ensuring that the plunger is<br />

fully withdrawn.<br />

Clean and polish externally as for Soda Acid Type Fire Extinguishers.<br />

On completion of the inspection, necessary entries shall be made in the Fire Extinguisher<br />

Register and the date of last inspection on the extinguisher changed.<br />

NOTES : The caps for nozzle and plunger shall always be<br />

c. Annual Test :<br />

replaced after quarterly inspection.<br />

i) As directed by CSVO/SO(FF) the annual test shall be carried out after one year from the date<br />

of last refilling by actually operating the extinguisher. No relaxation shall be permitted in this time<br />

limit. The test shall be carried out as follows:

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