Series 751 FireLock
®
European Alarm Check Valve Stations
10
REQUIRED INTERNAL INSPECTION
The authority having jurisdiction in your area may have estab-
lished requirements for internal inspection frequencies. Verify
these requirements by contacting the authority having jurisdic-
tion in your area.
1. Notify the authority having jurisdiction, remote station
alarm monitors, and those in the affected area that the system is
being taken out of service.
2. Close the water supply’s main control valve (3) to take the
system out of service.
3. Open the system main drain valve (14), and allow the sys-
tem to drain completely. It may be necessary to open the auxil-
iary drains in order to drain the system completely.
4. After all pressure is released from the system, remove all
cover plate bolts slowly.
4a. Remove the cover plate and cover plate gasket.
WARNING
• Depressurize and drain the piping system
before attempting to install, remove, or adjust
any Victaulic piping products.
Failure to follow this instruction could cause
serious personal injury and/or property damage.
CAUTION
• Any activities that require taking the valve out of
service may eliminate the fire protection provided.
• Before servicing or testing the system, notify the
authority having jurisdiction.
• Consideration of a fire patrol should be given in
the affected areas.
Failure to follow these instructions could cause seri-
ous personal injury and/or property damage.
3
14
WARNING
• Make sure the valve is depressurized and
drained before removing the cover plate
bolts.
The cover plate could blow off if these bolts are
removed while the valve is pressurized, result-
ing in serious personal injury and/or property
damage.
CAUTION
• DO NOT use solvents or abrasives on or near the valve body seat ring.
Failure to follow this instruction could prevent the clapper from sealing prop-
erly, resulting in improper operation, valve leakage, and/or property damage.
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