Title Page
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Conducted on
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Prepared by
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Location
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Work Order Number
Untitled Page
(T)ools, (S)afety Equipment and (M)aterials
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Mechanic's toolset.
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Flaslight.
Safety Guidelines
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Schedule work with operating personnel
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Check with operating personnel for deficiencies
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Follow site safety rules and your supervisor's instructions
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Obtain and review manufacturer's instructions
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Report any problems you find
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Record the results in the equipment history log
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Verify proper signal at FACP
Maintenance Procedures
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Check pressure gauges located on the supply side and system side of the dry valve. Verify that the proper ratio of air pressure to water supply pressure is being maintained
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Verify that the intermediate chamber of the dry valve is free of water. No water should flow from the drip check when the plunger is pushed
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Verify that there is no air coming out of the 1/2” outlet of the PORV
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If equipped with a Viking accelerator: Check the air pressure gauge located on the top of the accelerator
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Air pressure in the upper chamber of the accelerator should equal the pneumatic pressure maintained in the system
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Verify that the water supply main control valve is open and all trim valves are in their normal operating position
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Check for signs of mechanical damage and/or corrosive activity. If detected, perform maintenance as required or, if necessary, replace the device
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Verify that the dry valve and trim are adequately heated and protected from freezing and physical damage
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Confirm that all valves are in their normal operating positions
Maintenance Hours
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Time spent on work orders?
