Oceanic DELTA 4 Service Procedure
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Oceanic DELTA 4 Service Procedure

Oceanic DELTA 4 Service Procedure

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REGULATORS
DELTA 4 SECOND STAGE
DELTA 4
SERVICE
PROCEDURE
This Delta 4 Service Procedure conveys a list of components and service procedures
that reflect the Delta 4 as it was configured at the time of this writing (10/3/10).
Doc. 12-2803-r02 (10/3/10)
PG-1
OCEANIC
Product Service Guide
© 2002 Design, 2005
®

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  • Page 1 DELTA 4 SERVICE PROCEDURE This Delta 4 Service Procedure conveys a list of components and service procedures that reflect the Delta 4 as it was configured at the time of this writing (10/3/10). Doc. 12-2803-r02 (10/3/10) PG-1 OCEANIC Product Service Guide ©...

  • Page 2: General Procedures

    O-ring Tool Kit 15/16” Open End Wrench P/N 40.9650 Universal FRONT COVER Tool Standard Screwdriver - small Cotton Swab Oceanic approved Halocarbon Based Lubricant (See General Procedure Doc. 12-2202 for approved list) Doc. 12-2803-r02 (10/3/10) PG-2 OCEANIC Product Service Guide ©...

  • Page 3: Troubleshooting

    REGULATORS DELTA 4 SECOND STAGE TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSE TREATMENT * Freeflow or leakage present. 1. Replace with new. 1. LEVER ARM (17) bent. 2. Refer to First Stage Troubleshooting ADJUSTMENT KNOB (33) 2. Excessive intermediate pressure. Chart. 3. Damaged or worn POPPET SEAT turned in.

  • Page 4: Disassembly Procedure

    REGULATORS DELTA 4 SECOND STAGE DISASSEMBLY PROCEDURE NOTE: Be sure to perform the steps outlined in the Initial Inspection Procedures (Doc. 12-2202) prior to disassembling 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 DELTA 4 SECOND STAGE 8. Turn the ADJUSTMENT KNOB (33) out completely until resistance is felt. Remove the ADJUSTMENT KNOB SCREW (34) turning it counter clockwise with a 3/32" hex key and slide the KNOB off the ADJUSTMENT SHAFT (29).
  • Page 6 REGULATORS DELTA 4 SECOND STAGE 16. Remove the POPPET (15), POPPET SPRING (16), WASHER (18), SPACER (19), LEVER (17), and LOCK NUT (20) by holding the POPPET with the Poppet Tool while turning the LOCK NUT counterclockwise using a 1/4" nut driver. To avoid a sudden ejec- tion as they are disengaged, continuously apply a slight amount of inward pressure to the POPPET and the LOCK NUT.
  • Page 7 WARNING: Use only genuine Oceanic Parts, Subassemblies, and Components whenever assembling Oceanic products. 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 DELTA 4 SECOND STAGE press the EXHAUST COVER in toward the HOUSING ASSEMBLY until it snaps into place (Fig. 12). 3. Replace the VENTURI SWITCH ASSEMBLY if removed by closely adhering to the following steps: A. Lightly lubricate and install the VENTURI SWITCH O-RING (36) onto the VENTURI SWITCH (35), ensuring the O-RING is properly seated in the Groove.
  • Page 9 REGULATORS DELTA 4 SECOND STAGE 7. While still compressing the POPPET SPRING (16) with the Pop- pet Tool, insert a 1/4" nut driver through the open Adjustment Port of the HOUSING ASSEMBLY (5) and turn the LOCK NUT (20) further onto the POPPET (15) until 3 Threads are showing beyond the Outer Surface of the LOCK NUT (Fig.
  • Page 10 REGULATORS DELTA 4 SECOND STAGE 14. Install the THRUST WASHER (31) onto the ADJUSTMENT SHAFT (29), then slide the PACKING NUT (32) over the SHAFT and thread it onto the ADJUSTMENT TUBE (24) until secure. Tighten with a 5/8" open end wrench to a torque of 12 in/lbs.

  • Page 11: Final Tuning And Testing

    22. Secure the MOUTHPIECE (9) onto the HOUSING ASSEMBLY (5) with a TIE WRAP (8), positioning the Locking Tab of the TIE WRAP towards the Hose. NOTE: Oceanic’s patented Orthodontic Mouthpieces are designed to accommodate the natural overbite of the human jaw. Ensure that it is properly positioned.
  • Page 12 REGULATORS DELTA 4 SECOND STAGE 2. Connect the Delta 4 Second Stage LP Hose to a Low Pressure Port of the First Stage. Ensure that all other Ports are sealed with Port Plugs, with the exception of an additional Low Pressure Quick Disconnect Hose.
  • Page 13 REGULATORS DELTA 4 SECOND STAGE CAUTION: To avoid cutting the POPPET SEAT (14) with the Knife Edge of the ORIFICE (11), depress the Purge Button while turning the ORIFICE in or out. 4. Hold the Second Stage with the MOUTHPIECE (9) facing directly down, and gently shake it up and down.
  • Page 14 NOTE: If hesitation or lag is detected, refer to the Trouble Shooting Section to determine possible cause and treatment. 8. Clean and disinfect the MOUTHPIECE (9) in warm, soapy water before returning the Delta 4 to the customer. Doc. 12-2803-r02 (10/3/10) PG-14...
  • Page 15 REGULATORS DELTA 4 SECOND STAGE Doc. 12-2803-r02 (10/3/10) PG-15 OCEANIC Product Service Guide © 2002 Design, 2005 ®...
  • Page 16 REGULATORS DELTA 4 SECOND STAGE Dia. Dia. Part # Description Part # Description 6685 SHAFT, ADJUSTMENT 6949.23 RING, COVER (METAL) 6930.07 RING, COVER (BK) 2.107 O-RING, STEM 6931.07 COVER, FRONT (BK) 5054 WASHER, THRUST 6931.18 COVER, FRONT (YL) 6332 NUT, PACKING 6932.11...

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