5
J125B: Commissioning Instructions
IF THE REQUIRED REGULATOR OUTLET PRESSURE CANNOT BE
ACHIEVED WITH THE SPRING FITTED
31.
Remove top cap from regulator cover.
32.
Choose a loading spring from catalogue or page 17 that will give the
required outlet pressure range.
33.
Fully unscrew and remove the adjustment screw, See Fig. 11.
34.
Remove spring and replace with new one. See Fig. 10.
35.
Screw adjustment screw back in place.
36.
Adjust the outlet pressure as described previously.
37.
Replace the top cap (seal if necessary).
NOTE: Outlet pressure is now set
IF THE REQUIRED TRIP-OFF PRESSURES CANNOT BE ACHIEVED WITH
THE SPRINGS FITTED
A) OPSS spring
38.
Remove top cap from the safety shut-off device cover.
39.
Choose an OPSS spring from the catalogue or page 17 that will give
the required pressure range.
40.
Fully unscrew and remove top spring holder. See Fig. 12.
41.
Remove spring and replace with new one. See Fig. 10.
42.
Screw spring holder back in place, ensuring that castellated spigot is
uppermost in chimney. See Fig. 12.
43.
Adjust the trip-off pressure as described previously.
44.
Replace the top cap (seal if necessary).
NOTE: OPSS pressure is now set
B) UPSS spring.
45.
Remove top cap from the safety shut-off device cover.
46.
Choose an UPSS spring from the catalogue or page 17 that will give
the required pressure range.
47.
Fully unscrew and remove top spring holder. See Fig. 12.
48.
Remove OPSS spring (or spacer tube if UPSS only).
Fig. 10
Fig. 11
Fig. 12