PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

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393
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | TROUBLESHOOTING | REV. 00
EN
Failure Device Possible causes Service
Failure to provide service
HB/97 BUILT-IN
SLAM-SHUT VALVE
Stem (6) locked in opening Clean and lubricate
Plug (71) locked in opening Clean and lubricate
O-ring (36) not sealing
Clean and replace if needed
I/DWR ring (64)
damaged
Replace
PRESSURE SWITCHES
MOD. 100
Diaphragm breakage (43) if
min. spring is missing
Replace
Locked levers
Check and
if necessary clean and
lubricate
VALVE 3/2
Pin (6) locked
Check and if necessary
clean and lubricate
Lip pad (16) locked Clean and replace if needed
Clogged vents
Check and
clean if needed
Unintentional tripping
HB/97 BUILT-IN
SLAM-SHUT VALVE
O-ring (40) not sealing Clean and replace if needed
O-ring (36) not sealing Clean and replace if needed
O-ring (39) not sealing Clean and replace if needed
No sealing
of the "U" ring (63)
Clean and replace if needed
O-ring (43) not sealing Clean and replace if needed
Upper O-ring (62)
not sealing
Clean and replace if needed
O-ring (42) not sealing Clean and replace if needed
PRESSURE REGULATOR
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
SAFETY VALVE
VS/FI
Pad (3) not sealing Clean and replace if needed
VALVE 3/2
Gasket (16) locked Clean and replace if needed
Outer O-rings (46) not
sealing
Clean and replace if needed
O-ring (47) not sealing Clean and replace if needed
O-ring (48) not sealing Clean and replace if needed