PIETRO FIORENTINI ASX 176, Translation Of Original Instructions

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ASX 176
EN
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR | TROUBLESHOOTING | REV. 00
Failure Device Possible causes Service
Intentional tripping
SSX/176
Plug (9) with friction Clean and lubricate
O-ring (48) friction
Lubricate and replace if
necessary
I/DWR (52) frictions
Lubricate and replace if
necessary
Breakage of the diaphragm
(50)
Replace
R44/SS
Lower diaphragm (16) not
sealing
Clean and replace if needed
O-ring (28) not sealing Clean and replace if needed
O-ring (29) not sealing Clean and replace if needed
O-ring (26.1) not sealing Clean and replace if needed
VS/FI Pad (3) not sealing Clean and replace if needed
VALVE 3/2
Gasket (16) locked Clean and replace if needed
External O-rings (46) not seal-
ing
Clean and replace if needed
O-ring seal (47) not sealing Clean and replace if needed
O-ring (48) not sealing Clean and replace if needed
Downstream pressure
increase with slam-
shut device shutting
off
SSX/176
Reinforced gasket (7) dirty or
damaged
Clean and replace if needed
Plug profile (9) damaged Replace
O-ring (43) not sealing Clean and replace if needed
HP2/2
O-ring seal (21) not sealing Clean and replace if needed
Damaged seat profile (6) Replace
Pad (12) dirty or damaged Clean and replace if needed
O-ring seal (24) not sealing Clean and replace if needed
Tab. 10.116.