238
ASX 176
EN
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR
|
TROUBLESHOOTING
|
REV. 00
Failure
Device
Possible causes
Service
No sealing or zero
flow rate
REGULATOR
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
R14 PRE-REGULATOR
O-ring (17) not sealing
Clean and replace if needed
O-ring (18) not sealing
Clean and replace if needed
O-ring (20) not sealing
Clean and replace if needed
Diaphragm (10) damaged
Replace
200/A SERIES PILOT
Upper diaphragm (16) dam-
aged
Replace
Dirty or worn plug (17)
Clean and replace if needed
Downstream pressure
increases on
delivery
REGULATOR
Reinforced gasket (7) dirty or
damaged
Clean and replace if needed
Ice between reinforced gasket
(7) and plug (9)
Increase the regulator gas
inlet temperature
O-ring (43) not sealing
Clean and replace if needed
O-ring (48) not sealing
Clean and replace if needed
Plug locked (9)
Clean
Soiling between reinforced
gasket (7) and plug (9)
Clean
Transfer hole (19) obstructed
Clean
I/DWR friction (52)
Lubricate and replace if neces-
sary
Spring (54) collapsed
Replace
R14 PRE-REGULATOR
Plug (
5
) damaged
Replace
200/A SERIES PILOT
Plug (17) damaged
Replace
Assembly of diaphragm holder
(16) and plug (17) locked in
open position
Check and clean if necessary
Plug spring (21) collapsed
Replace
Downstream sensing line ob-
structed
Clean
Summary of Contents for ASX 176
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