Atlas & Yukon Second Stage
Table 2 – Troubleshooting Guide
SYMPTOM |
| POSSIBLE CAUSE |
| TREATMENT |
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Freeflow or leakage | 1. | Excessive intermediate pressure. | 1. | Refer to first stage troubleshooting | guide |
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| 2. | Damaged or worn LP seat(8). | 2. | Replace with new. |
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| 3. | Damaged orifice(5) sealing surface. | 3. | Replace with new. |
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| 4. | Damaged orifice | 4. | Replace with new. |
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| 5. | Orifice incorrectly adjusted. | 5. | Reset to preliminary setting and readjust. | |
| 5. | Locknut(19) incorrectly adjusted. | 6. | Reset to preliminary setting and readjust. | |
| 7. | Poppet spring(10) damaged. | 7. | Replace with new. |
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| 8. | Lever(21) is bent. | 8. | Replace with new. |
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Excessive Inhalation Resistance | 1. | Insufficent intermediate pressure. | 1. | Refer to first stage troubleshooting | guide |
or Hesitation | 2. | Locknut(19) incorrectly adjusted. | 2. | Reset to preliminary setting and readjust. | |
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| 3. | Orifice(5) incorrectly adjusted. | 3. | Reset to preliminary setting and readjust. | |
| 4. | Lever(21) is bent. | 4. | Replace with new. |
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Insufficient airflow when purge | 1. | Lever(21) is slack, locknut(19) or orifice(5) | 1. | Reset to preliminary settings and readjust. | |
button is depressed |
| incorrectly adjusted. |
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| 2. | Lever is bent. | 2. | Replace with new. |
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Water entering second stage | 1. | Exhaust valve (15) worn or damaged. | 1. | Replace with new. |
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| 2. | Mouthpiece(12) worn or damaged. | 2. | Replace with new. |
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| 3. | Inlet coupling | 3. | Disassemble and inspect, replace or |
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| incorrectly installed, or worn. |
| reassemble as required. |
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| 4. | 4. | Replace with new. |
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| or worn (Atlas only). |
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| 5. | Case plug (16) or case plug | 5. | Replace with new. |
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| damaged or worn. |
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CAUTION: All repairs must be performed with a complete overhaul service, unless the problem is detected immediately after a complete overhaul service has already been performed. Do not attempt to perform partial service if the regulator shows any signs of use. For additional troubleshooting assistance, contact your Genesis Scuba distributor.
Copyright ©2001 Liberty Group | 32 |