Genesis Advanced Technologies ATLAS & YUKON GRXXX & - Manual (Page 32)

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Copyright ©2001 Liberty Group
Atlas & Yukon Second Stage
Table 2 – Troubleshooting Guide
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.
Table 2 – Troubleshooting Guide
1. Excessive intermediate pressure. 1. Refer to first stage troubleshooting guide
2. Damaged or worn LP seat(8). 2. Replace with new.
3. Damaged orifice(5) sealing surface. 3. Replace with new.
4. Damaged orifice O-ring(4) 4. Replace with new.
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.
8. Lever(21) is bent. 8. Replace with new.
1. Insufficent intermediate pressure. 1. Refer to first stage troubleshooting guide
2. Locknut(19) incorrectly adjusted. 2. Reset to preliminary setting and readjust.
3. Orifice(5) incorrectly adjusted. 3. Reset to preliminary setting and readjust.
4. Lever(21) is bent. 4. Replace with new.
1. Lever(21) is slack, locknut(19) or orifice(5) 1. Reset to preliminary settings and readjust.
incorrectly adjusted.
2. Lever is bent. 2. Replace with new.
Water entering second stage 1. Exhaust valve (15) worn or damaged. 1. Replace with new.
2. Mouthpiece(12) worn or damaged. 2. Replace with new.
3. Inlet coupling O-ring(7) damaged, 3. Disassemble and inspect, replace or
incorrectly installed, or worn. reassemble as required.
4. Dive/Pre-Dive Switch O-ring(11b) damaged 4. Replace with new.
or worn (Atlas only).
5. Case plug (16) or case plug O-ring (17) 5. Replace with new.
damaged or worn.
SYMPTOM POSSIBLE CAUSE TREATMENT
Freeflow or leakage
Excessive Inhalation Resistance
or Hesitation
Insufficient airflow when purge
button is depressed