7.
Close the diaphragm-charge-line ball valve.
8. Open the system main drain valve to drain any water that has
accumulated and to release system air pressure.
NOTE:
If the system has operated, open the remote system test valve
(inspector’s test connection) and any auxiliary drain valves.
9. Close the slow-fill ball valve on the Air Maintenance Trim Assembly
(AMTA).
10.
PUSH DOWN ON THE AUTO DRAIN SCREW TO REMOVE
PRESSURE IN THE DIAPHRAGM CHARGE LINE.
I-NXT.RBKIT_3
5-Year Rebuild Kit Instructions for
FireLock NXT
™
Valves
SERIES 768 AND 769
I-NXT.RBKIT
REBUILD KIT INSTRUCTIONS
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