REGULATORS
ALPHA 8 SECOND STAGE
© 2002 Design, 2005
OCEANIC
®
Product Service Guide
Doc. 12-2805-r02 (8/19/10)
PG-3
TROUBLE SHOOTING
SYMPTOM POSSIBLE CAUSE TREATMENT
* Water entering Second
Stage.
1. LEVER ARM (9) slack present.
2. LEVER ARM (9) bent.
3. ORIFICE (2) incorrectly adjusted.
1. Replace with new.
2. Replace with new.
3. Replace with new.
4. Tighten until secure.
5. Replace with new.
6. Tighten or install.
1. Excessive LEVER ARM (9)
height.
2. Excessive intermediate pressure
from first stage.
3. LEVER ARM (9) bent.
4. Damaged or worn POPPET
SEAT (5).
5. Damaged ORIFICE (2).
6. LOCK NUT (12) overtightened
onto Shaft of POPPET (6).
7. WASHER (10) bent or distorted.
8. POPPET SPRING (7) weakened,
worn, or incorrect part.
9. ORIFICE (2) incorrectly adjusted.
1. Adjust ORIFICE (2) and LOCK
NUT (12) to arrive at correct
spring load tension and LEVER
ARM (9) height. Refer to
Tuning section.
2. Refer to First Stage Trouble-
shooting chart.
3. Replace with new.
4. Replace with new.
5. Replace with new.
6. Replace with new and readjust.
Refer to Tuning section.
7. Replace WASHER (10),
SPACER (11), and LOCK NUT
(12) with new.
8. Replace with new.
9. Turn in clockwise to adjust.
Refer to Tuning section.
* Freeflow or leakage present.
* Excessive inhalation resis-
tance.
1. LOCK NUT (12) overtightened
onto POPPET Shaft (6), causing
excessive spring tension.
2. LOCK NUT (12) insufficiently
tightened onto POPPET Shaft (6),
causing LEVER ARM (9) slack.
3. LEVER ARM (9) bent.
4. ORIFICE (2) incorrectly adjusted.
5. Insufficient intermediate pressure
from First Stage.
1. Replace with new and readjust.
Refer to Tuning section.
2. Tighten to correct spring load
and LEVER ARM (9) height.
Refer to Tuning section.
3. Replace with new.
4. Adjust to correct contact.
Refer to Tuning section.
5. Refer to First Stage Trouble-
shooting chart.
* Rattle heard inside Second
Stage.
1. LEVER ARM (9) slack present. 1. Tighten LOCK NUT (12) onto
POPPET Shaft (6). Refer to
Tuning section.
1. Tighten LOCK NUT (12) onto
POPPET Shaft (6). Refer to
Tuning section.
2. Replace with new.
3. Adjust ORIFICE (2) to correct
contact. Refer to Tuning
section.
1. Tear in MOUTHPIECE (18).
2. EXHAUST VALVE (14) distorted or
damaged.
3. DIAPHRAGM (15) distorted or
damaged.
4. COVER RING (17) not tight on
HOUSING (8).
5. Cracked or damaged HOUSING (8).
6. Mouthpiece TIE WRAP (19) loose or
missing.
* Little or no air flow when
Purge Button is depressed.
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