240
ASX 176
EN
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR
|
TROUBLESHOOTING
|
REV. 00
10.4.3 - MONITOR PM/176 TROUBLESHOOTING
Failure
Device
Possible causes
Service
Operation
fault
PM/176
I/DWR (52) frictions
Lubricate and replace if
necessary
O-ring (48) friction
Lubricate and replace if
necessary
Plug locked (9)
Clean and replace if needed
Breakage of the diaphragm (50)
Replace
Transfer hole (19) obstructed
Clean
O-ring (46) friction
Lubricate and replace if
necessary
O-ring (45) friction
Lubricate and replace if
necessary
O-ring (44) friction
Lubricate and replace if
necessary
O-ring (47) friction
Lubricate and replace if
necessary
SG out of class due to dirty or
worn reinforced gasket (7)
Clean and replace if needed
200/A SERIES PILOT
Dirty or worn plug (17)
Clean and replace if needed
Diaphragm holder assembly fric-
tion (16)
Centring the movement
of the bore, assembly and
shaft
Worn diaphragms (16)
Replace
Spring (22) collapsed or out of
level
Reposition and replace if
necessary
AC out of class due to unsuitable
spring (22)
Replace
SG out of class due to dirty or
worn plug (17)
Clean and replace if needed
No sealing or zero
flow rate
PM/176
Reinforced gasket (7) dirty or
damaged
Clean and replace if needed
O-ring (43) not sealing
Clean and replace if needed
Upstream O-ring (48) not sealing
Clean and replace if needed
Plug (9) dirty or damaged
Clean and replace if needed
200/A SERIES PILOT
Upper diaphragm (16) damaged
Replace
Dirty or worn plug (17)
Clean and replace if needed
Summary of Contents for ASX 176
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