
PRODUCT SP5 SERVICE GUIDE
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3
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
TREATMENT
Restricted airflow and
inhalation resistance
through the complete
system.
1.
Cylinder valve not completely opened.
2.
Cylinder valve requires service.
3.
CONE FILTER (4, 12)
is contaminated.
1.
Open valve completely.
2.
Connect
Regulator
to
a
different
cylinder.
3.
Replace
with
new
and
perform
a
complete
service.
Air leakage detected
from inlet openings of
First Stage.
1.
PISTON HEAD O‐RING (27)
is damaged or worn.
2.
PISTON SHAFT O‐RING (25)
is damaged or worn.
1.
Replace with new.
2.
Replace with new.
Insufficient
intermediate
pressure.
1.
PISTON CAP (29)
loose.
2.
VALVE SPRING (23)
is weakened.
1.
Tighten
PISTON CAP (29)
onto
BODY (21)
.
2.
Replace with new.
Excessive intermediate
pressure.
1.
Contamination under
SHIM (22)
.
2.
HP SEAT (24)
damaged or worn.
3.
Internal damage to Orifice Cone inside
BODY (21)
.
1.
Clean seating surface and replace
SHIM (22)
with new.
2.
Replace with new.
3.
Replace
BODY (21)
.