Kirby Morgan Dive Lab KM47 Manual Download Page 11

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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

•

Slowly pressurize helmet, then open the supply fully

Summary of Contents for Dive Lab KM47

Page 1: ...REX Regulator KM47 77 ...

Page 3: ...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 Your life depends on the correct function of this equipment ...

Page 4: ...n 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 ...

Page 5: ...ps 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 Remove regulator cover ring cover washer and diaphragm ...

Page 6: ...REX Regulator KM47 77 Disassembly ...

Page 7: ...REX Regulator KM47 77 Disassembly ...

Page 8: ... 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 The seats should be smooth and straight ...

Page 9: ...justment 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 Lightly tighten the jam nut to prevent movement of the nipple tube ...

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: ... 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 Slowly pressurize helmet then open the supply fully ...

Page 12: ...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 wrenches Re check purge adjustment re adjust if needed ...

Page 13: ...X 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 Inspection Adjustments Always refer to Operations maintenance manual for adjustment procedures ...

Page 16: ... ...