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Summary of Contents for Kirby Morgan Dive Lab KM47
- Page 1 REX Regulator (KM47/77)
- Page 2 © Copyright 1970-2009 Kirby Morgan Dive Systems, Inc. All rights reserved. This manual is made available for the express use of owner of this Kirby Morgan product. No part of this manual may be reproduced, stored in any retrieval system, or transmitted, or used in any form or by any means, whether graphic, electronic, mechanical, photocopy, or otherwise by technology known or unknown, without the prior written permission of Kirby Morgan Dive Systems, Inc.
- Page 3 REX Regulator (KM47/77) • The breathing system on all Kirby Morgan helmets and masks is simple and highly reliable • The fact that they can continue to operate when the components are not in a well-maintained condition can cause divers to become complacent about maintenance •...
- Page 4 REX Regulator (KM47/77) • The REX regulator is simple to maintain, like any type of life support equipment, it requires regular periodic maintenance to function properly • All parts disassembled should be thoroughly cleaned • Components that require the use of lubricants, sealing and thread locking compounds should also be serviced...
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Page 5: Disassembly For Cleaning
REX Regulator (KM47/77) Disassembly for Cleaning • Remove tie wraps from whisker wings • Remove whisker valve assembly from each side of exhaust body, inspect • During regular cleaning and inspection, the whisker valves do not need to be removed from plastic exhaust valve seats •... - Page 6 REX Regulator (KM47/77) Disassembly...
- Page 7 REX Regulator (KM47/77) Disassembly...
- Page 8 REX Regulator (KM47/77) Disassembly • Remove each plastic valve cage with the silicone valve still installed • Clean and inspect valve assemblies • Silicone valves should be smooth and flat, when lifted away from seat, it should snap firmly into place •...
- Page 9 REX Regulator (KM47/77) Set-up/Adjustment • Screw the regulator adjustment knob in clockwise all the way, then rotate it out counter clockwise three turns • Slowly rotate the inlet nipple in clockwise until a slight movement is noticed at the roller lever then stop •...
- Page 10 REX Regulator (KM47/77) Set-up/Adjustment • Install diaphragm, thrust washer, flexible cover and cover ring to the regulator assembly using the special spanner wrench...
- Page 11 REX Regulator (KM47/77) Set-up/Adjustment • Adjustment of the demand regulator should be done using a supply pressure of between 135-140 p.s.i.g. • Re-check adjustment knob position by completely turning it in, then backing it out 3 full turns • Attach a air source to either umbilical adapter at the one way valve, or EGS valve •...
- Page 12 REX Regulator (KM47/77) Set-up/Adjustment • The cover should travel inward 1/4 - 5/16 of an inch before gas flow is heard • Once desired travel is achieved, tighten lock nut against regulator body using two 13/16” wrenches • Make certain bent tube fitting is snug against the hex on nipple tube by again using two 13/16”...
- Page 13 REX Regulator (KM47/77) Set-up/Adjustment Low pressure air source must be adjustable over a range from 135-140 p.s.i. With the air supply connected, turn the adjustment knob all the way out and back in 3 turns...
- Page 14 REX Regulator • Regulator is adjusted and ready for use...
- Page 15 Summary Always refer to Operations & maintenance manual for adjustment procedures • Inspection • Adjustments...
- Page 16 ????
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