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SeaAir Regulator

2

SeaAir Regulator Service and Repair Manual

Contents

Section 1 - Introduction

Warnings, Cautions, & Notes ................................................................................................................................................3

Scheduled Service ...................................................................................................................................................................3

EAN/ Nitrox Service ..............................................................................................................................................................3

Facility Requirements ............................................................................................................................................................4

Specialty Tools ........................................................................................................................................................................5

Section 2 - Preliminary Inspection

External Inspection ................................................................................................................................................................6

Immersion / Leak Test ...........................................................................................................................................................6

Intermediate Pressure Test ....................................................................................................................................................7

Section 3 - Disassembly Procedures

General Guidelines .................................................................................................................................................................8

First Stage Disassembly .........................................................................................................................................................9

Second Stage Disassembly ...................................................................................................................................................13

Section 4 - Reassembly Procedures

General Guidelines ...............................................................................................................................................................16

First Stage Reassembly .........................................................................................................................................................17

Second Stage Reassembly ....................................................................................................................................................21

Section 5 - Final Testing Procedures

First Stage Intermediate Pressure Test ...............................................................................................................................24

Second Stage Adjustment and Flow Test ...........................................................................................................................25

Subjective Breathing Test .....................................................................................................................................................26

Flowbench Testing (optional) .............................................................................................................................................27

External Leak Test ................................................................................................................................................................27

Troubleshooting Guide - First Stage

 ..........................................................................28

Troubleshooting Guide - Second Stage

 .................................................................29

Schematics & Parts Lists

SeaAir First Stage ..................................................................................................................................................................30

SeaAir Second Stage .............................................................................................................................................................31

Содержание SEAAIR

Страница 1: ...Service Repair Manual SERVICE AND REPAIR MANUAL SEAAIR REGULATOR PN RG200 Revised 02 11...

Страница 2: ...ocedures General Guidelines 8 First Stage Disassembly 9 Second Stage Disassembly 13 Section 4 Reassembly Procedures General Guidelines 16 First Stage Reassembly 17 Second Stage Reassembly 21 Section 5...

Страница 3: ...supporting product it is extremely critical that it receives service according to the procedures outlined in this manual on a regularly scheduled basis at least once a year with normal or infrequent...

Страница 4: ...result from improper use of this tool Be sure to follow the instructions pro vided in this manual NOTE XS Scuba especially endorses and recommends the Jaws Gripmaster Bench Vise available from Peter...

Страница 5: ...IP RANGE 125 150 PSI PSI PETER BUILT Quality in the making 419 468 2212 USE NO OIL 140 25 50 150 125 100 75 175 200 225 250 275 300 0 IP RANGE 125 150 PSI PSI USE NO OIL PETER BUILT CO Quality in the...

Страница 6: ...t exposes the brass beneath the finish CAUTION Do not clean any parts that show damage to their finish inside an ultrasonic cleaner 4 Closely examine all parts of the first stage for any other signs o...

Страница 7: ...i may result in damage or rupture of the test gauge or LP hose and could cause serious personal injury 2 Slowly open the supply valve to pressurize the first stage Close ly monitor the IP test gauge t...

Страница 8: ...rings After passing close inspection static O rings may sometimes be reused although this is not neces sarily recommended Dynamic O rings must be automatically discarded and replaced with every servi...

Страница 9: ...ntal damage to soft metal parts If an ordinary bench vise will be used the first stage must be mounted outside the vise with the use of a vise mounting tool fastened into the high pressure port To ens...

Страница 10: ...hex key to the DIN retainer 4f and turn it counter clockwise to loosen and remove from the body along with the handwheel 4a and saddle 4d c Remove the DIN retainer from the handwheel and then re move...

Страница 11: ...ect the spring with a magnifier to check for any signs of damage or corrosion that has permeated the wall of the metal Set the spring aside to be reused if it is determined to be in satisfactory condi...

Страница 12: ...nd discard both O rings 27 28 from the swivel cap and automatically discard them regardless of their condition 22 Using a smooth plastic or brass probe remove the rubber col lar 26 from the piston cap...

Страница 13: ...ll require the replacement of the LP hose 4 Using a n open end wrench turn the inlet fitting counter clockwise to loosen and unscrew it completely by hand to remove 5 Snip the plastic tie strap 21 tha...

Страница 14: ...t one leg first and then the other Be careful to avoid bending or stretch ing either leg 14 Turn the air barrel over to allow the poppet 6 to drop out Us ing fingernails or a plastic tool carefully re...

Страница 15: ...ave been caused by abuse or improper disas sembly If found discard it and replace with new 22 Closely inspect the condition of the exhaust valve to ensure that it is evenly seated against the second s...

Страница 16: ...ecommends Christo Lube MCG 11 PN MS150 to be used ex clusively for the lubrication and dressing of O rings and other internal parts Christo Lube provides superior lubrication to that of silicone greas...

Страница 17: ...spring has been discarded and replaced with new Up to three washers may be used If one is needed install between the spring and body If two are needed install on opposite sides of spring If three are...

Страница 18: ...s cold or silty water do not install the collar at this time Refer to the instructions provided at the end of this procedure for installing the IceBreaker environmental sealing collar 15 Gently mate t...

Страница 19: ...nto the inlet port of the body Tighten the yoke retainer clockwise by hand until finger snug d Apply a torque wrench with the 1 Yoke Nut Socket and 3 xa Socket Drive Extension available from Peter Bui...

Страница 20: ...do will seriously af fect the regulator s performance and could result in serious injury or death 1 Using a narrow tipped oral syringe slowly inject silicone grease through the ports on all sides of t...

Страница 21: ...gs are rounded on one side and flat on the other See Fig 23 Hold the air barrel with the flat cut facing down and place the clip over the tube with the rounded side facing toward the flange so that on...

Страница 22: ...de up with the front facing you slide the valve assembly into the opening in the right side of the housing Gently depress the lever and then slide the valve assembly through the opening on the inlet s...

Страница 23: ...tly over the lever with its raised surface facing up and then the thrust washer 15 19 Fit the front cover 16 inside the housing so that it seats directly over the diaphragm Turn it as needed to align...

Страница 24: ...bled and properly adjusted second stage is connected to the first stage before pressurizing Failure to relieve inter mediate pressure that exceeds 400 psi may result in damage or rupture of the test g...

Страница 25: ...Fig 37 2 Mate the female fitting of the LP hose onto the male fitting of the IP Test Gauge and tighten the swivel nut clockwise until finger snug 3 Install the LP hose into an intermediate pressure p...

Страница 26: ...and verify that a slight leak of airflow is present 2 Slowly turn the adjustment knob clockwise to verify that the airflow stops between 2 1 turn 3 Turn the adjustment knob completely in clockwise to...

Страница 27: ...e problem s NOTE The location of extremely small leaks can best be detected by applying a soap solution to the leak area Before disassembling to correct any leaks rinse the entire regulator thoroughly...

Страница 28: ...d 3 Replace filter with new 4 Low intermediate pressure 4 See below 1 Piston cap is loose 1 Tighten piston cap 2 Main valve spring is damaged 2 Replace spring and spring washers 3 Incorrect number of...

Страница 29: ...fice incorrectly adjusted 3 Reset to preliminary setting and readjust 3 Lever is damaged 3 Replace with new 1 Lever is slack or orifice incorrectly adjusted 1 Reset to preliminary settings and readjus...

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