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General Information
Switchover Open Circuit Regulator Assembly
(P/Ns 805-001 & 805-050) Maintenance Manual
SWCH-1
1.1 General Information
SWCH-2
1.1.1 Non-Magnetic
Conformity
SWCH-2
1.1.1.1 Maintaining and
Repairing Non-Magnetic
Designated Assemblies
SWCH-2
1.1.2 Use of Kirby Morgan
Original Replacement Parts
SWCH-2
SWCH-2
SWCH-3
SWCH-4
SWCH-4
SWCH-4
SWCH-4
SWCH-9
1.1 General Information
The Kirby Morgan Switchover Open Circuit Regu-
lator Assembly, P/N 805-050 and our non-mag-
netic version P/N 805-001, is a high performance
scuba regulator designed for professional divers.
The regulator is a modified version of the balanced
455 regulator.
The switchover regulator is designed for use ONLY
with our rebreather pod. It offers a wide range of
adjustment that allows the diver to compensate
for variations in workloads, as well as physical at-
titude and current.
The regulator bias adjustment gives the diver the
ability to fine tune the demand valve at any time
prior to, or during the dive. The bias adjustment
simply increases or decreases spring tension on
the inlet valve assembly. The knob has approxi-
mately 4 1/4 turns from full in to full out position
with a supply pressure of 135-150 PSIG. This bias
device is not intended as a minimum or maximum
device. The bias adjustment should be adjusted by
© MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001
Contents
SWCH-9
SWCH-9
SWCH-10
SWCH-12
SWCH-14
the diver so that it is at the easiest breathing for
existing conditions.
Diving with a bias setting higher than
necessary will result in increased inhalation
effort and could cause the diver to become
exhausted. Diving with the bias adjusted so
the regulator freeflows greatly increases air
NOTE
usage.
BRACE, RIGHT
HOSE/INLET SUPPLY
JAM NUT
MAIN TUBE
BRACE, LEFT
ADJUSTMENT KNOB
PURGE
HIGH FLOW EXHAUST TEE
SWCH-1
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Related Manuals for Kirby Morgan 805-001
Summary of Contents for Kirby Morgan 805-001
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Page 1: Table Of Contents
135–150 PSIG. This bias device is not intended as a minimum or maximum PURGE device. The bias adjustment should be adjusted by SWCH-1 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 2: Safety Precautions
This will aid in preventing wa- ter from getting into the inlet valve. Purging the regulator after rinsing will aid in drying. Purging SWCH-2 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 3: Soft Good Kits Swch-13
SCUBA cylinder. Im- proper care or storage of underwa- ter breathing equipment may lead to equipment malfunction, which could result in personal injury. SWCH-3 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 4: Scheduled Maintenance
• #3 Phillips Screwdriver • Flat Blade Screwdriver 5. Use a #3 Phillips screwdriver to unscrew the ad- justment knob screw two complete rotations. • USE ONLY oxygen compatible NON SWCH-4 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... - Page 5 12. Remove the O-ring found on the outside of the packing nut. 8. Using flat-blade screwdriver, insert tip into small slot located near top of lock clip. SWCH-5 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
- Page 6 O-ring pic, carefully remove the adjustment shaft O-ring from the packing nut and discard the O-ring. 17. Using 3/4" open end wrench remove the jam nut. SWCH-6 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
- Page 7 19. Carefully lift out and remove one leg of the le- ver arm from its hole in the main tube, while start- SWCH-7 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
- Page 8 , chop stick or sharpened end of a pencil. These items will prevent damage to the sealing edge of the nipple. If the valve is discolored, brittle or warped, replace valve. SWCH-8 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
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Page 9: Assemble Switchover Regulator
1. Install O-ring onto packing nut. 2. VERY lightly lubricate the O-ring and install 2. Install O-ring into packing nut. onto the adjustable nipple. O-RING SWCH-9 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 10: Main Tube Reassembly - Read This Entire Procedure Step By Step Prior To Reassembly And Installation
4. Once the lever arm is in place, using two fingers, press against the lever arm to ensure arms have not been bent outward during installation. SWCH-10 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... - Page 11 Remove pencil and once again use fingers to press position of the lever arm as noted above. SWCH-11 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
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Page 12: Diaphragm And Adjustment Knob Reassembly
13. Insert the balance spacer and spring as one unit into main tube. Repeatedly gently push onto spacer to confirm lever arm moves up and down in conjunction with applied pressure. SWCH-12 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 13: Adjusting The Regulator
6. Install right brace onto the inlet side of the regu- lator body. 1.5.5 Adjusting the Regulator If cover and diaphragm have not been removed, do so prior to proceeding. SWCH-13 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 14: If Adjustment Is Necessary
Usually 1/8" turn at a time or less will suffice. Decrease lever play by turning nipple out (counter clockwise) of the main tube. NOTE SWCH-14 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... -
Page 15: Torque Specifications For The Switchover Open Circuit Regulator Assembly
Torque in Inch Torque in Loc. # Part # Description Pounds Newton Meters 250-057 Jam Nut, Main Tube Packing Nut, Balanced 250-061 2.25 Regulator 830-004 Screw SWCH-15 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001... - Page 16 Torque Specifications for the Switchover Open Circuit Regulator Assembly Adjusting the Regulator SWCH-16 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
- Page 17 Torque Specifications for the Switchover Open Circuit Regulator Assembly Adjusting the Regulator SWCH-17 © MMXXIII Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 230816001...
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