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Oceanic DELTA 2, Service Procedure

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Oceanic DELTA 2 Service Procedure Download Page 11

REGULATORS

DELTA II  SECOND  STAGE

© 2002 Design 1997

OCEANIC® Product Service Guide

Doc. 12-2223-r03 (10/3/10)

PG-11

R = Revision

D.  Turn the locking nut further clockwise onto the poppet shaft 

with small fractions of a turn, using the Poppet Installation tool 

and 1/4" open end wrench.  Use the correct method given in step 

15 of the reassembly procedure to replace the inlet coupling after 

each adjustment, and again determine whether slack is eliminated.

NOTE:  Avoid tightening the locking nut any further than is 

necessary to eliminate lever slack.  It may be necessary to 

repeat step D several times to arrive at the correct setting.

CAUTION: 

 

Be careful to avoid over adjusting!  If airflow 

returns, replace the locking nut and seat with new, and start 

over after rereading the above procedures.

5.  Replace the diaphragm, diaphragm washer, and front cover if 

removed, and pressurize the regulator again with a pure air source 

of 3,000PSI.  Determine the range of adjustment by performing 

the following procedure:

A.  Turn the adjustment knob completely out counter clockwise.  

A slight to moderate airflow should be present.

B.   Turn the adjustment knob completely in clockwise and fully 

depress the purge button.  This should initiate a slight airflow.

NOTE:  If airflow is greater or less than specified for each 

adjustment, refer to the troubleshooting section to determine 

possible cause and treatment.

6.  Purge the regulator of air, remove the In-Line Adjustment tool 

and connect the LP hose directly onto the inlet coupling, using 

two wrenches as prescribed in the reassembly procedure.

7.  Pressurize the regulator again with a pure air source of 3,000PSI.  

Return the adjustment knob to its mid range position to make a 

subjective test of airflow and cracking effort.  Inhale lightly through 

the mouthpiece to determine that air flows easily and smoothly, 

without any hesitation or lag.

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 in warm, soapy water before 

returning to the customer.

R

Summary of Contents for DELTA 2

Page 1: ...roduct Service Guide Doc 12 2223 r03 10 3 10 PG 1 R Revision DELTA 2 SERVICE PROCEDURE This Delta 2 Product Service Procedure conveys a list of components and service pro cedures that reflect the Delta 2 as it was configured at the time of this writing 10 3 10 ...

Page 2: ...1 to 13 in lbs LP Hose 50 to 60 in lbs Opening Effort IP 138 psi 9 5 bar 1 Leak with adjustment knob turned fully out clockwise 2 No leak with knob turned in counter clockwise 1 5 turns 3 Minimum effort with no leak 1 2 inches of H2 O or less Specialty Tools P N 40 9313 5 32 Allen Key P N 40 9510 In Line Adjustment Tool P N 40 3367 Poppet Holding Tool P N 40 9512 Modified 1 4 Open End Wrench P N 4...

Page 3: ...rrosion present on adjust ment shaft 2 Debris present inside knob 33 3 Debris or corrosion present on or inside adjustment spring 27 1 Tear in mouthpiece 2 Exhaust valve diaphragm 6 distorted or damaged 3 Demand diaphragm 3 distorted or damaged 4 Demand diaphragm washer 2 not present 5 Front cover 1 insufficiently tightened onto housing 6 Cracked or damaged housing 4 1 Remove and clean 2 Replace w...

Page 4: ... center and lift with a slight upward twist to remove Inspect the diaphragm to ensure it is supple and free of any tears corrosion or other distortion Discard if found 5 Depress and hold the lever arm 17 to remove the inlet coupling 12 in a counter clockwise direction using a 3 4 open end wrench Fig 1 6 Remove the o ring 13 from the inlet coupling 12 and inspect for any signs of decay Discard if f...

Page 5: ...o the tube during removal 15 Remove the o ring 25 from the adjustment tube 24 and inspect for any signs of decay Discard if found 16 Remove the balance shaft 21 by pushing it out of the adjustment tube using a cotton swab Examine the shaft and compare with new to ensure that it is not bent or distorted in any way Discard if distortion is found Remove the snap washer 22 by gently inserting a small ...

Page 6: ...sembly is needed either to replace the diaphragm or replace the exhaust tee cover remove the exhaust tee cap screws 7 with a 3 32 hex key Remove the exhaust tee cover 5 by lifting the bottom portion The top portion of the cover acts similar to a hinge Fig 8 25 The exhaust valve diaphragm 6 may now be removed by grasp ing it at the flange and pulling it straight out snipping the retainer stem if ne...

Page 7: ... with your finger tips until threading is started Fig 10 Then while still compressingthespring 16 withthepoppetinstallationtool insert a 1 4 nut driver through the open adjustment port of the hous ing 4 and turn the locking nut 20 further onto the poppet until 3 threads are showing beyond the outer surface of the locking nut Fig 10 insert Remove the tools CAUTION It is very important that a minimu...

Page 8: ...will damage the housing or other parts requiring their replacement 13 Install the adjustment knob 33 over the adjustment stem 29 and packing nut 32 Insert the adjustment knob cap screw 7 and tighten with a 3 32 hex key to a torque of 4 in lbs 14 Using a poppet installation tool push the poppet 15 into the housing to expose the washer 18 and spacer 19 inside the housing Place the forks of the lever...

Page 9: ...ry DO NOT over tighten 20 Secure the mouthpiece 9 onto the housing 4 with an all plastic noncorrosive tie wrap 8 positioning the locking tab of the tie wrap towards the hose Fig 17 NOTE Oceanic s patented Orthodontic Mouthpieces are designed to accommodate the natural overbite of the hu man jaw 21 Lubricate and replace the o ring inside the second stage coupling end of the LP hose Install the hose...

Page 10: ...sary use the In Line Adjustment tool to turn the orifice counter clockwise slightly out to initiate this airflow NOTE While pressurized the slotted blade of the In Line tool will be held away from the orifice and will therefore need to be pushed inward and held while turning in either direction Locate the slotted head of the orifice by touch before attempting any adjustment 3 Use the In Line tool ...

Page 11: ... range of adjustment by performing the following procedure A Turn the adjustment knob completely out counter clockwise A slight to moderate airflow should be present B Turn the adjustment knob completely in clockwise and fully depress the purge button This should initiate a slight airflow NOTE If airflow is greater or less than specified for each adjustment refertothetroubleshootingsectiontodeterm...

Page 12: ...004 O ring Balance Shaft 24c 4972 Tube Adjustment 25b 2 016 O ring Adj Tube 26c 4971 Pad Spring 27c 4589 Spring Adjustment 28c 6331 Follower Piston Spring 29c 6330 Stem Adjustment 30b 2 107 O ring Stem 31b 5054 Washer Thrust 32c 6332 Nut Packing 33c 6324 Knob Adjustment 34c 6322 Inlet Top Cover 6322 21 Inlet Top Cover Nitrox 35c 6329 01 Decal Blue 6329 11 Decal White 6329 18 Decal Yellow 6329 19 D...

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