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Oceanic ZX Service Procedure
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Oceanic ZX Service Procedure

Oceanic ZX Service Procedure

Second stage
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REGULATORS
ZX SECOND STAGE
OCEANIC
®
ZX
SERVICE
PROCEDURE
This ZX Service Procedure conveys a list of components and service procedures that
reflect the ZX as it was configured at the time of this writing (2/19/05).
Doc. 12-2808-r01 (2/19/05)
PG-1
®
©2002 Design, 2005
OCEANIC
Product Service Guide

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Summary of Contents for Oceanic ZX

  • Page 1 OCEANIC ® SERVICE PROCEDURE This ZX Service Procedure conveys a list of components and service procedures that reflect the ZX as it was configured at the time of this writing (2/19/05). Doc. 12-2808-r01 (2/19/05) PG-1 ® ©2002 Design, 2005 OCEANIC...
  • Page 2 REGULATORS ZX SECOND STAGE CONTENTS TROUBLESHOOTING ................................. 3 DISASSEMBLY PROCEDURE ..............................4 REASSEMBLY PROCEDURE ..............................7 TUNING AND TESTING ................................11 PARTS LIST AND EXPLODED VIEW DIAGRAM ........................13 REGULATOR GENERAL PROCEDURES REFER TO ................................DOC. 12-2202 SPECIFICATIONS Torques P/N 4787.2 Screws...

  • Page 3: Troubleshooting

    REGULATORS ZX SECOND STAGE TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSE TREATMENT * Free flow or leakage present, 1. Replace with new. 1. DEMAND LEVER (27) bent. 2. Refer to First Stage Troubleshooting 2. Excessive intermediate pressure. with ADJUSTMENT KNOB (11) Chart.

  • Page 4: Disassembly Procedure

    REGULATORS ZX SECOND STAGE DISASSEMBLY PROCEDURE NOTE: Be sure to perform the steps outlined in the Initial Inspection Procedures (Doc. 12-2202) prior to Disassem- bling the Regulator. Review the Troubleshooting Section to gain a better idea of which internal parts may be worn, and to better advise your customer of the service that is needed.
  • Page 5 REGULATORS ZX SECOND STAGE NOTE: Removal of the SPRING FOLLOWER (16) from the ADJUSTMENT SHAFT (15) should not be necessary unless it is broken or needs to be replaced. In this case remove it by holding the ADJUSTMENT SHAFT in one hand and turning the SPRING FOLLOWER clockwise with your other hand.
  • Page 6 REGULATORS ZX SECOND STAGE 21. Remove the VALVE HOUSING O-RING (28) by squeezing it with your fingers and working it over the molded portion of the VALVE HOUSING, not over the Threads. Inspect the O-RING for signs of decay or distortion. Discard it if found.

  • Page 7: Reassembly Procedure

    WARNING: Use only genuine Oceanic parts, subassem- blies, and components whenever assembling Oceanic prod- ucts. DO NOT attempt to substitute an Oceanic part with another manufacturer’s, regardless of any similarity in shape, size, or appearance. Doing so may render the product unsafe, and could result in serious injury or death of the user.
  • Page 8 REGULATORS ZX SECOND STAGE B. While holding both ends of the VALVE HOUSING secure, press the Prongs of the DEMAND LEVER (27) down over the Tube of the VALVE HOUSING. C. Using care not to bend the Prongs of the DEMAND LEVER press one of them outward and pull it up and into the opening on the side of the VALVE HOUSING.
  • Page 9 REGULATORS ZX SECOND STAGE G. Place the ADJUSTMENT SHAFT (15) with SPRING FOL- LOWER (16) down over the ADJUSTMENT SPRING (17) (Fig. 15). H. Install the THRUST WASHER (13) onto the ADJUSTMENT SHAFT (15), then slide the PACKING NUT (12) over the SHAFT and thread it clockwise onto the ADJUSTMENT TUBE (20) a few turns.
  • Page 10 TIE WRAP (35), positioning the Locking Tab of the TIE WRAP towards the LP Hose. Fig. 19 NOTE: Oceanic's patented Orthodontic Mouthpieces are designed to accommodate the natural overbite of the human jaw. Ensure that it is properly positioned. 18. Lubricate the LP HOSE SWIVEL PACKING WASHER (33) and insert it in the Inlet Coupling.
  • Page 11 REGULATORS ZX SECOND STAGE 3. Connect a recently calibrated Low Pressure Test Gauge to the additional Low Pressure Hose, and connect the First Stage to a pure air source of 3,000 PSI (20 BAR). 4. Slowly open the valve to pressurize the Regulator Assembly and...
  • Page 12 REGULATORS ZX SECOND STAGE 7. If air flow is present, repeat steps 3 through 6. 8. Hold the Second Stage with the MOUTHPIECE (8) facing directly down, and gently shake it up and down. Listen carefully for any rattle that may be present, indicating DEMAND LEVER (27) slack.
  • Page 13 REGULATORS ZX SECOND STAGE Dia. Dia. Part # Description Part # Description 6981.23 RING, FRONT COVER 21a 5473 O-RING, BALANCE SHAFT 6980.07 COVER, FRONT (BK) 22a 5474 O-RING, POPPET OUTER 6979 DIAPHRAGM 23a 5474 O-RING, POPPET INNER 6975.07 HOUSING (BK/GY)