Sentry Fire Extinguisher AA05S-1

Warning: This test should be performed by trained personnel only

Extinguisher cylinder shows evidence of corrosion

Extinguisher cylinder shows evidence of mechanical injury

Enter the test pressure as determined by manufacturer

Select the type of extinguisher

Extinguisher passed the hydrostatic test

Sign off on the hydrostatic test

Check for looseness between the extinguisher and the bracket

The band clamp should shut tightly, compressing the band grommet

Inspect the extinguisher and bracket for wear caused by movement of the extinguisher within the bracket

Examine the entire bracket closely for loose or worn hinges or hingepins, bent or cracked bands and worn or missing grommets

Are there any components that are missing, worn or damaged?

List all components that are missing, worn or damaged

Sign off on the bracket inspection

Clean any dirt or other foreign material from the extinguisher and bracket

Remove the extinguisher from the bracket and clean extinguisher surfaces which were in contact with the bracket

Inspect the bracket. If it is bent or cracked, replace it

Check to see that the bracket is firmly mounted. Tighten or replace mounting fasteners

Avoid possible rust damage by cleaning and painting whenever bare metal is exposed

Following extinguisher maintenance, secure the extinguisher in the bracket. If the bracket does not hold the extinguisher securely or the bracket is difficult to close, replace the affected part and/or the entire bracket

Sign off on the bracket maintenance

Warning: This test should be performed by trained personnel only!

Select the type of extinguisher

Enter the test pressure as determined by the manufacturer

Any evidence of corrosion or mechanical injury?

Did the extinguisher pass the hydrostatic test?

Sign off on the hydrostatic test

Invert the extinguisher and press the lever to release all pressure

Disassemble the valve assembly, removing the pick-up tube, valve stem, and spring

If gauge is difficult to remove, immerse in hot water to loosen sealant

Apply epoxy sealant to the threads of the new gauge

Screw the new gauge into the valve body making certain that the operating range on the gauge face is pointed to the top of the valve

Clean valve body, lubricate, and reassemble