Atlantis Splash Tech R60 2nd Stage Service Manual Download Page 42

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E. HIGH FREQUENCY HUMMING OR BUZZING DURING INHALATION:

F. LOW FREQUENCY FLUTTERING DURING INHALATION (Above the surface
only):

POSSIBLE CAUSE

RECOMMENDED ACTION
Remove, rotate and re-install diaphragm or
switch diaphragm with another.
Replace seating LP seat (18)
Remove, rotate and re-install spring (13)

Harmonic resonance between
the springs and other 2nd
stage components.

Explain to the customer that this is not
harmful to the regulator, and does not
happen underwater.

POSSIBLE CAUSE

RECOMMENDED ACTION

Harmonic resonance between the
springs and other 1st stage
components.

Change the 1st stage

Summary of Contents for Splash Tech R60 2nd Stage

Page 1: ...2nd Tech R60 2nd Stage Service Manual TECH R60 2nd STAGE...

Page 2: ...lation resistance Breathing effort is factory set to the average performance level required by most divers They are provided with front mounted purge buttons and orthodontically designed mouth pieces...

Page 3: ...max 1 atm RECOMMENDED LUBRICANT LTI Christo Lube MCG 129 B AS 201 ADJ SECOND STAGE REGULATOR TYPE Downstream valve balanced Diver Adjustable Dive Pre Dive Venturi Lever and Resistance Control Knob WEI...

Page 4: ...REVISION LTR DESCRIPTION DATE APPR ECN NO A RELEASE 2011 06 16 TY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 17 25 26 ANNUAL SERVICE REPLACEMENT PARTS...

Page 5: ...AUST COVER 1 6 0185 DIAPHRAGM 1 7 0199 DIAPHRAGM WASHER 1 8 0188 COVER RING ALUMINUM 1 9 0329 PURGE BUTTON ATLANTIS 1 10 0191 ADJUST KNOB 1 11 1 78 19 01 O RING 1 12 0174 BALANCE CYLINDER 1 13 0181 SP...

Page 6: ...CE KIT NO PART NO DESCRIPTION Q TY 11 1 78 19 01 O RING 1 14 3 9532 O RING 2 16 0193 LP SEAT 1 17 2 015 01 O RING 2 21 2 010 01 O RING 1 24 2 019 01 O RING 1 3 1 SERVICE TOOL LIST 1 TOREQE WRENCH 3 AD...

Page 7: ...ADJ Before you begin disassembly of the regulator test the first and second stages for output pressures work of breathing and leakage Pre testing in this way will help the technician to pinpoint any...

Page 8: ...SERVICE PROCEDURES FOR THE TECH R60 ADJ The work area must be clean and well lit with clean compressed air available to blow sand and dirt from parts...

Page 9: ...18MM HEX Wrench Adjust tool for second stage 2nd Stage Service Kit Clean Shop Rags Dow Corning Compound 111 Silicone Grease or LTI Christo Lube MCG 129 IP Gauge O ring picks Soapy spray Magnehelic Ga...

Page 10: ...the condition of the mouthpiece If it s in good condition you don t need to remove it can be re used Remove the mouthpiece by cutting the cable with side cutting pliers Discard the old mouthpiece tie...

Page 11: ...Put the exhaust cover 5 into hot water for a moment Remove the exhaust cover 5 from the housing by pulling it back...

Page 12: ...sides If it fails to snap back quickly and does not lie perfectly flat against the housing exhaust grid the valve should be replaced If it does snap back satisfactorily remove it by pulling it out wi...

Page 13: ...1 Heat the 2nd stage body surrounding the Ring by running hot water from a tap over it When the plastic is hot it will expand and loosen the threads 2 Use an adjustable pin spanner 3 Rubber pads are...

Page 14: ...Remove the DIAPHRAGM WASHER 7 and the diaphragm 6 from the housing 3...

Page 15: ...For future reference look at the lever 20 at this time Notice how the pivot end of the lever is held into the inlet tube 18 by two plastic flanges on the housing Note this positioning for re assembly...

Page 16: ...hragm Loosen and remove the nut 26 from the inlet tube 18 Remove the plastic bushing 25 from the inlet tube Remove and discard the O ring 17 from the inlet tube Turn the ADJUST KNOB 10 fully countercl...

Page 17: ...the Venturi Lever 23 push the inlet tube assembly out of the housing 3 Remove the Venturi Lever 23 from the valve tube assembly Remove and discard the O ring 24 from the Venturi Lever 23 Turn the ADJU...

Page 18: ...the inlet tube Remove and discard the O ring 11 The balancing chamber 12 spring 13 and poppet 15 are removed at this time They will often fall out if the adjust tube is tipped on its end Remove and d...

Page 19: ...LP seat 16 from the poppet 15 Remove and discard the very small O rings 14 from the poppet This can be done by pinching a section of the O ring out of the groove with the fingernails Then flip the O...

Page 20: ...isengaged remove the orifice 22 from the inlet tube 18 by pulling and turning counterclockwise at the same time or inserting a soft blunt ended instrument from the other end Remove and discard the O r...

Page 21: ...lastic silicone and plated metal parts Vinegar and water equal part solution weaker solution in Ultrasonic Cleaner Ingredients easily available Approx 15 min cleaning time May damage chrome finish Nev...

Page 22: ...25 clamps Replace the housing if any cracks are found Inspect the sealing surface on the orifice 22 where the seating seat seals for any nicks or scratches Replace the orifice 22 if any serious defec...

Page 23: ...e the valve if any tears are found Replace the valve if nicks or tears are found at the sealing edges of the valve During an Annual Overhaul all parts included in the Annual Service Kit are replaced n...

Page 24: ...ARY ASSEMBLY OF THE SECOND STAGE Ensure that all parts are clean Before installing new O rings into the regulator lightly lubricate the O rings with Dow Corning 111 Silicone Grease or LTI Christo Lube...

Page 25: ...from the outside of the case Reach inside the case and pull the nipple firmly with the fingers until you hear or feel it click into place Inspect the exhaust valve to see that it is properly seated T...

Page 26: ...e lever properly hold the inlet tube with the external threads to the right Turn the inlet tube until you can see the hole where the air exits the valve tube The lever is inserted so that it hangs dow...

Page 27: ...ating LP seat 16 into the white poppet 15 Install the lubricated small O rings 14 onto the poppet tip Install the spring 13 onto the poppet and the balance chamber 12 onto the poppet to make the shutt...

Page 28: ...o the lever tabs they will lift the lever inwards as you push the assembly in Insert the poppet assembly you have just assembled into the inlet tube 18 at the end with the raised collar opposite the e...

Page 29: ...Install a new well lubricated O ring 11 onto the ADJUST KNOB 10...

Page 30: ...embly you just installed Turn the ADJUST KNOB 10 clockwise until the O ring and flange have passed the hole where the pin 19 is installed Install the pin 19 into the inlet tube 18 Back the ADJUST KNOB...

Page 31: ...tall the new O ring 24 onto the Venturi Lever 23 While holding the tabs in place in the inlet tube with two fingers depress the lever 20 and the slide the Venturi Lever 23 into place on the inlet tube...

Page 32: ...be assembly into the housing 3 After assembly make sure that the pivot end of the lever is held into the inlet tube 18 by two plastic flanges on the housing just as they did when you took the housing...

Page 33: ...stall the bushing 25 flat side facing the body over the external threaded end of the inlet tube Install the nut 26 over the external threaded end of the inlet tube Tighten the nut snuggly 1 2 ft lb 2...

Page 34: ...end to allow for the natural wear of the LP seat 16 during the use of the regulator Adjust the orifice 22 in while moving the end of the lever up and down with the tip of your finger When the orifice...

Page 35: ...pushing firmly Do not twist the cover on Install the diaphragm 6 into the housing 3 so that it sits evenly on the ledge Install the diaphragm washer 7 over the diaphragm The diaphragm washer 7 is the...

Page 36: ...Attach the second stage to the overhauled and properly adjusted first stage that it is going to be used with mounted on an air tank filled to the maximum pressure the regulator is going to be used wi...

Page 37: ...elic needle on the inhalation and the exhalation effort Adjust to the appropriate work of breathing Primary 2nd Stage 1 1 4 inches of water Alternate 2nd Stage 1 2 2 inches of water The best test to c...

Page 38: ...gain several times and watch how the intermediate pressure reading responds When the purge cover on the second stage is depressed the intermediate pressure reading will drop When the purge cover is re...

Page 39: ...Re check work of breathing Replace mouthpiece with cable tie...

Page 40: ...height 8 9mm where the space between the coils is the same as the thickness of the spring wire Do not squeeze the spring coils completely closed as this will result in too low a cracking effort Note...

Page 41: ...djust orifice D WET BREATHING POSSIBLE CAUSE RECOMMENDED ACTION Diaphragm improperly installed or hole in diaphragm Check position of diaphragm visually Replace if holes found by holding up to a light...

Page 42: ...m or switch diaphragm with another Replace seating LP seat 18 Remove rotate and re install spring 13 Harmonic resonance between the springs and other 2nd stage components Explain to the customer that...

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