Dive Rite RG1208-5 Service Manual Download Page 1

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Dive Rite

Regulator Service Manual

RG1208-5

Copyright 2011 Lamartek Inc. D/B/A Dive  Rite

Summary of Contents for RG1208-5

Page 1: ...1 Dive Rite Regulator Service Manual RG1208 5 Copyright 2011 Lamartek Inc D B A Dive Rite ...

Page 2: ...ans Possession of this guide does not qualify any individual in the service of Dive Rite Breathing Systems Only qualified Dive Rite dealers can service Dive Rite Products Improper servicing can lead to serious injury or death Only Original Parts ordered from Dive Rite are to be used ...

Page 3: ...3 RG1208 5 Balanced First stage ...

Page 4: ...4 ...

Page 5: ...5 Disassembly of the RG1208 5 First Stage Note the location of plugs and hoses Remove all low pressure hoses Remove high pressure hoses and remaining port plugs ...

Page 6: ...6 1 Screw port tool into high pressure port Take care not to damage threads 2 Place port tool with first stage attached into vise with the intermediate pressure adjustment screw in the upright position ...

Page 7: ...7 3 Using a 6mm Allen wrench loosen and remove the adjustment screw ...

Page 8: ...Place the spanner wrench into the holes of the diaphragm cap 5 Loosen the cap by applying a firm steady pressure on the housing Caution Rapid jerking can cause the spanner wrench to slip and damage the cap ...

Page 9: ... the intermediate pressure spring 8 Remove the spring carrier and the plastic washer Note there is a second plastic washer found In the adjustment screw Intermediate pressure spring Plastic washer Spring carrier ...

Page 10: ...the thrust washer and diaphragm Be careful not to damage sealing surfaces Remove the diaphragm by using a pick to puncture it halfway between the middle and the edge This will avoid damaging the sealing surface Thrust Washer ...

Page 11: ...11 10 Carefully remove the valve lifter 11 Inspect for damage or corrosion Valve Lifter ...

Page 12: ...12 12 Remove the regulator from the vise and invert it so that the turret side is facing up ...

Page 13: ... a 6mm Allen wrench into the 5th port and remove the turret retainer HP valve module Alternatively an 11 16 open end wrench may be used The turret retainer has a torque setting of 125 in lbs 14 1 Nm HP valve module ...

Page 14: ...14 14 Remove the high pressure valve and spring ...

Page 15: ...15 15 Using a pick remove the two O rings located on the module Remove the O ring and thrust washer from the turret Note be careful not to scratch the sealing surfaces ...

Page 16: ...16 16 Remove the large O ring and the turret Logo ring ...

Page 17: ...17 17 Using a pick remove the exterior O ring from the DIN lockdown screw If the yoke adaptor is attached unscrew the yoke This O ring is located in the track surrounding the high pressure inlet ...

Page 18: ...ockdown screw Note DIN adaptor uses thread lock If DIN adaptor comes off as one piece simply use a 7 mm Allen wrench on the bottom of the unit while holding the 6mm wrench already inserted into the DIN lockdown screw 19 Remove the O ring from the base of the DIN lockdown screw ...

Page 19: ...19 20 Remove the Din hand wheel 21 Remove the dust cap ...

Page 20: ...20 22 Using a 19mm socket wrench loosen and remove the DIN connector and saddle Saddle DIN Connector ...

Page 21: ...21 23 Remove the O ring from the Din Connector 24 Remove the cone shaped filter from the DIN Connector ...

Page 22: ...22 This completes disassembly of the Dive Rite RG1208 5 First stage ...

Page 23: ...arts that are removed from the serviced regulator and replaced by those in the parts kits are to be returned to Dive Rite Remaining parts should be cleaned in a solution compatible with Nitrox use All points of lubrication should use a Nitrox compatible lubricant ...

Page 24: ...24 Assembling the RG1208 5 First Stage ...

Page 25: ...25 1 Lubricate and install O ring RG1241 into the DIN connector 2 Install the saddle with the curved side facing the threads Use one 1 drop of blue thread lock on the DIN connector ...

Page 26: ...26 3 Screw the DIN connector into the first stage body after installing the regulator tool Use a vise to hold the first stage tool firmly 4 Tighten the DIN connector using a 19mm socket wrench ...

Page 27: ...27 5 Install the lower filter O ring RG1243 on the filter 6 Install the filter into the DIN Connector ...

Page 28: ...28 7 Install the dust cap assembly over the Din connector 8 Install the hand wheel over the DIN connector ...

Page 29: ...29 9 Lubricate and install O ring RG1242 on the DIN lockdown screw 10 Install the lockdown screw into DIN connector and tighten with 6mm Allen wrench ...

Page 30: ...30 11 Mount the first stage so the turret side is facing upwards 12 Lubricate and install O ring RG1232 on the first stage ...

Page 31: ...31 12 Install turret logo ring 13 Install the turret 14 Install thrust washer RG1237 And O ring RG1238 ...

Page 32: ...32 Preparing the Turret retainer HP valve module for installation 15 Lubricate and Install O ring RG1235 16 Install O ring RG1236 ...

Page 33: ...7 Place spring RG1280 on top of the HP valve module 18 Install the new HP valve seat RG1234 lightly lubricate the valve stem allow the stem to pass through the center of the spring and through O ring RG1235 ...

Page 34: ...34 19 Install the completed turret retainer HP valve module into the first stage by passing it through the turret ...

Page 35: ...35 20 Tighten the turret with 6mm Allen wrench Be careful not to pinch O ring RG1238 Torque Retainer Turret to 125 in lbs 14 1 Nm ...

Page 36: ...t stage over so that the balance chamber is facing upwards 23 Install the valve lifter into the first stage body Press on the valve lifter to verify contact and spring resistance with the HP valve seat RG1234 valve lifter ...

Page 37: ...37 24 Install diaphragm RG1230 05 make certain that the diaphragm is seated below the threads and is in contact with the seating surface Install the thrust washer RG1265 ...

Page 38: ...38 25 Place the spring carrier on the diaphragm center 26 Place plastic washer on the spring carrier Spring Carrier Washer ...

Page 39: ...39 27 Place intermediate pressure spring on the spring carrier 28 Install the adjusting screw two turns into the diaphragm cap ...

Page 40: ...40 29 Install the diaphragm cap over the spring and screw the cap down completely 30 Tighten the diaphragm cap firmly using the spanner wrench with steady even tension ...

Page 41: ...41 This completes assembly of the RG1208 First Stage ...

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