Series 756 FireLock
®
European Dry Valve Stations
13
9a.
Open the isolation ball valve on the Series 746 Dry Accel-
erator (14).
9b.
Close the
1
/
4
-turn vent ball valve on the Series 746 Dry
Accelerator (14). This will set the accelerator.
10.
Observe the system air pressure over a 24-hour period to
confirm system integrity. If there is degradation in system air
pressure, find the leaks and correct.
11.
Open the piston charge line ball valve (8).
12.
Pull up on the auto drain knob (12) until it is set in the “UP”
position. Verify that there is pressure on the piston gauge (11).
13.
Confirm that the piston charge line pressure (11) is equal
to the water supply pressure (5). The piston is now actuated, and
the clapper will now be set.
14.
Open the alarm line ball valve (17).
14
14
8
CAUTION
• Take precautions when opening the water supply’s main control valve,
since water will flow from all open system valves.
Failure to follow this instruction could cause personal injury and/or property
damage.
12
Knob
Seal
Compression
Fitting
Drain
Hose
Body
Spring
Stem
17
