Kirby appendix Kirby Morgan 37 Disassembly of the SuperFlow, Demand Regulator

Kirby Morgan 37 & 57

7.7.7 Disassembly of the SuperFlow 350		3) Adjustment knob removal is started by unscrewing
Demand Regulator		the adjustment knob until it stops.
Tools Required:
1/4 inch Flat Blade Screwdriver on Torque Wrench		4) The packing nut is now exposed enough to use a
7/8 inch Open-end Attachment on Torque Wrench		wrench on it for removal. As the nut is backed off,
3/4 inch Open-end Attachment on Torque Wrench		unscrew the knob also.
3/32 inch Punch 7/8 inch Open-end Wrench
Small Ball Peen Hammer		5) The O-ring and washer will remain on the adjust-
KMDSI Tool Kit Part #525-620		ment shaft.
Silicone Adhesive Dow Corning 732 or equivalent
Minimum Recommended Replacement Parts for		6) Tilt the helmet so that the spacer, spring set, and pis-
Annual Overhaul:		ton fall out of the adjustment tube of the regulator.
Inlet valve Soft Seat 510-580		NOTE: If the spacer and the spring set are stuck,
Adjustment shaft O-ring 510-011
Adjustment Shaft Washer 520-032		this indicates possible corrosion or saltwater intru-
Adjustment Nut 530-303		sion into the adjustment tube or the adjustment tube
Diaphragm 510-553		may be bent. The demand regulator requires removal
Inlet Nipple O-ring 510-014		from the helmet and cleaning per this Chapter and
Exhaust valve 510-552		This occurs if the helmet were dropped on the ad-
		justment knob or the diver hit the adjustment knob
1) Remove the regulator cover clamp screw and		against a rigid object. Repairs must be made by a
clamp.		trained KMDSI technician.
2) Remove the regulator cover and the diaphragm.		7) On the adjustment knob, drive out the roll pin using
		a 3/32 punch. Use a block of wood with a 1/4 ” hole
			Adjustment
	Adjustment		knob	Retaining
	shaft
				pin
	Spacer
Regulator	Piston		Packing
body			nut
Gasket			Diaphragm
Inlet valve
Inlet nipple			Clamp

	Nut
Exhaust	Spacer
	Cover
valve Exhaust
	Roller lever
Flange	Washer

The SuperFlow 350 regulator assembly.

84 © Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 080508001