REGULATORS
ZX SECOND STAGE
©2002 Design, 2005
PG-3
OCEANIC
®
Product Service Guide
Doc. 12-2808-r01 (2/19/05)
TROUBLE SHOOTING
SYMPTOM
POSSIBLE CAUSE
TREATMENT
* Free flow or leakage present,
with ADJUSTMENT KNOB (11)
turned in.
1. Replace with new.
2. Refer to First Stage Troubleshooting
Chart.
3. Replace with new.
4. Replace with new.
5. Turn in clockwise to adjust. (Refer
to Tuning Section.)
6. Follow correct procedure given in
Reassembly Section to tighten.
7. Remove and clean.
* Water entering Second Stage.
* ADJUSTMENT KNOB (11)
difficult to turn.
* Little or no airflow when Purge
Button is depressed.
* Rattle heard inside Second
Stage.
* Excessive inhalation resis-
tance, with ADJUSTMENT
KNOB (11) turned out.
1. Tear in MOUTHPIECE (8).
2. EXHAUST VALVE (6) distorted or
damaged.
3. DIAPHRAGM (3) distorted or dam-
aged.
4. Debris trapped beneath EXHAUST
VALVE (6).
5. FRONT COVER (2) insufficiently
tightened onto HOUSING (4).
6. Cracked or damaged HOUSING (4).
7. Mouthpiece TIE WRAP (35) too loose
or missing.
1. Debris or corrosion present on
ADJUSTMENT SHAFT (15).
2. Debris present inside ADJUSTMENT
KNOB (11).
3. Debris or corrosion present on or
inside ADJUSTMENT SPRING (17).
1. FRONT COVER (2) not sufficiently
tightened into HOUSING (4).
2. DEMAND LEVER (27) slack present.
3. ORIFICE (31) incorrectly adjusted.
1. Gravel or sand trapped inside
HOUSING (4).
2. DEMAND LEVER (27) slack present.
1. DEMAND LEVER (27) bent.
2. ORIFICE (31) incorrectly adjusted.
3. Insufficient Intermediate Pressure from
First Stage.
1. DEMAND LEVER (27) bent.
2. Excessive intermediate pressure.
3. Damaged or worn POPPET SEAT
(25).
4. Damaged ORIFICE (31).
5. ORIFICE (31) incorrectly adjusted.
6. LP HOSE ASSEMBLY (34) not
sufficiently tightened onto VALVE
HOUSING (26) Inlet Tube.
7. Trapped debris.
1. Replace with new.
2. Replace with new.
3. Replace with new.
4. Remove and clean.
5. Tighten until secure and properly
aligned.
6. Replace with new.
7. Tighten or install.
1. Disassemble and clean.
2. Flush out or disassemble if
necessary to clean.
3. Disassemble to clean or replace
with new as needed.
1. Tighten COVER RING (1) until
secure.
2. POPPET (24) not inserted properly.
Follow correct procedure given in
Reassembly Section.
3. Adjust ORIFICE (31) to correct
contact. (Refer to tuning section.)
1. Remove and clean.
2. POPPET (24) not inserted properly.
Follow correct procedure given in
Reassembly Section.
1. Replace with new.
2. Adjust to correct contact. (Refer to
Tuning Section.)
3. Refer to First Stage Troubleshooting
Chart.
