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Related Manuals for AP Diving Back Mounted Counterlungs
Summary of Contents for AP Diving Back Mounted Counterlungs
- Page 1 Ambient Pressure Diving Ltd. Back Mounted Counterlungs User Instruction Manual...
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Page 2: Table Of Contents
DO NOT begin a dive with faulty valves or a leaking breathing loop NOTE: Any modification to the rebreather such as substitute harnesses and back plates can adversely affect the back mounted counterlungs breathing performances and is therefore not recommended. Modifications will also invalidate the rebreather’s CE Approval. -
Page 3: Introduction
Introduction The APD Back Mounted Counterlungs have been specially developed for use with the APD range of rebreathers: the Inspiration, Evolution and Evolution+. They are intended as an option in place of the ‘Over-the-Shoulder’ counterlungs. The lungs sit between the divers back and the existing rebreather unit. They stop at the top of the shoulder allowing the breathing loop hoses to be identical to those used on the ‘Over-the-Shoulder’... -
Page 4: Rebreather Configuration
Rebreather Configuration Exhale T piece with integral water-trap Back Mounted Exhale counterlung Pull knob for manual dump from counterlung Wing Buoyancy Compensator balanced Inflator P a g e I s s u e 5... -
Page 5: Assembly
Assembly Back Mounted Counterlungs Balanced Inflator Comfort Pad Back Mounted Rebreather Wing Counterlung Harness Chassis B a c k M o u n t e d C o u n t e r l u n g s P a g e... -
Page 6: Upgrade Kit Components
Upgrade Kit Components EV01BM - Back Mounted Counterlungs (2 Sizes, Grey or Yellow) (N.B. the ADV and the O2 Inflator assembly shown are optional and sold individually) EV19BM - Back Mounted Counterlungs Harness (5 sizes) (Includes comfort pad, weight pouches, hose-clips and through-the-legs... - Page 7 RBV05/04 – Counterlung Connection Post RBV05 - Diluent Balanced Inflator AP300 - Diluent medium pressure hose (length specific to unit size) RBV05A - Oxygen Balanced Inflator AP300A - Oxygen medium pressure hose (length specific to unit size) B a c k M o u n t e d C o u n t e r l u n g s P a g e...
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Page 8: Bmc Inflators
BMC Inflators The Back Mounted Counterlungs use the low pressure, hose mounted, balanced inflators RBV05 (diluent) and RBV05A (oxygen), where the gas from the standard quick disconnect hose is fed back to the counterlungs via a fixed MP hose. The valve is operated by pressing the button on the side and releasing for the gas flow to stop. -
Page 9: Bmc Inflator Configuration
BMC Inflator Configuration Gas from 1 Stage or manifold Gas into counterlung Quick Release Inflator Hose (existing hose from over-the- shoulder counterlungs, when upgrading) Counterlung connection post Medium Pressure Fixed Hose Snap connection Diluent Balanced Inflator Press to Inject B a c k M o u n t e d C o u n t e r l u n g s P a g e... -
Page 10: Counterlung + Harness
Counterlung + Harness Assembly 1. Counterlung (2 sizes, 2 colour options) + Harness (4 sizes) The Back Mounted Counterlungs are offered in either yellow & black or grey & black to match existing APD rebreather colour schemes. The new harness is designed specifically for use with the Back Mounted Counterlungs only. - Page 11 BMC Inflator Fixed Feed Hose Size Guide The inflator’s fixed hoses are offered in 3 sizes (70,76 & 84cm) to be compatible with existing rebreather, quick release, inflator hoses; the lengths of which are determined by your existing over-the-shoulder counterlung size. (If you are not sure of the size of your counterlung, you’ll see the size label when you unbolt the counterlungs, alternatively contact the factory for advice).
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Page 12: Over-Pressure Exhaust Valve
Hose Length Adjustment All hoses use the AP screw-together fittings which allow you to shorten the hose to suit your preference. 1. Remove the hose from the inflator block using a 17mm spanner. Clamp the hexagon closest to the hose, the ferrule, in a vice and unscrew (anti- clockwise) the 3/8”... -
Page 13: Automatic Diluent Valve (Adv)
Automatic Diluent Valve (ADV) The ADV is an optional feature. It replaces the inhale T-piece on the left shoulder counterlung and is usually fitted with the diaphragm facing the diver’s head. The ADV is activated by a pressure differential across the diaphragm and it supplies gas to the loop (breathing circuit) whenever a substantial negative pressure is experienced within the inhale counterlung. -
Page 14: Conversion Instructions
13mm spanner and a 5 and 6mm allen key. 6. Remove the lungs and harness, but leave the wing in place. 7. Place the back mounted counterlungs over the harness screws, followed by the back mounted counterlung harness. N.B. There are two sets of mounting holes for the lungs to allow adjustment to fit different body types. -
Page 15: Cleaning And Disinfecting The Unit
EC Type approved by SGS United Kingdom Ltd, Unit 202b, Worle Parkway, Western-Super-Mare, Somerset, BA22 6WA. Notified Body number 0120. The “Inspiration”, “Evolution” and “Evolution+” [with back mounted counterlungs] are CE approved to 40m using an air diluent and 100m using a Heliox or Trimix (with a max. - Page 16 Designed and Manufactured by: AP Diving Ltd Water-ma-Trout Industrial Estate, Helston, Cornwall, Great Britain. TR13 0LW. Telephone: +44(0)1326 563834 Fax: +44(0)1326 573605 www.apdiving.com For spares and accessories visit: www.apdivingdirect.com 16 | P a g e I s s u e 5...
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