AP Diving RB05 Maintenance Manual

Diluent and oxygen manual inflator

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AP Diving
RB05 Manual Inflator Maintenance Manual
RB05 Diluent and Oxygen
Manual Inflator
Maintenance Manual
Version 1.0
October 2024
Written by Tino de Rijk
Page 1 of 22

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Summary of Contents for AP Diving RB05

  • Page 1 AP Diving RB05 Manual Inflator Maintenance Manual RB05 Diluent and Oxygen Manual Inflator Maintenance Manual Version 1.0 October 2024 Written by Tino de Rijk Page 1 of 22...
  • Page 2: Table Of Contents

    1.3 Warranty ......................3 1.4 Copyright and Applicable Law ................ 4 2. RB05 Manual Inflator Exploded Diagrams and Parts Lists ....5 2.1 RB05C Diluent Manual Inflator and RB05D Oxygen Manual Inflator ....5 3. Service Kit Contents and Tools needed ..........6 3.1 RB05B and RB05B/1 Service Kit Contents .............
  • Page 3: Introduction

    0.100” or 2.54mm. 1.3 Warranty The RB05 inflators are covered by an AP Diving 1-year warranty against defects in materials or workmanship. This warranty is only offered to the original purchaser and is not transferable.
  • Page 4: Copyright And Applicable Law

    Ambient Pressure Diving Ltd. ©2008 - 2024 Ambient Pressure Diving Ltd. Maintenance Manual RB05 inflator Applicable Law: All products are sold on the strict understanding that only English Law applies in cases of warranty claims and product liability, regardless of where the equipment is purchased or used.
  • Page 5: Rb05 Manual Inflator Exploded Diagrams And Parts Lists

    AP Diving RB05 Manual Inflator Maintenance Manual 2. RB05 Manual Inflator Exploded Diagrams and Parts Lists 2.1 RB05C Diluent Manual Inflator and RB05D Oxygen Manual Inflator NUMBER DESCRIPTION PART NUMBER QUANTITY Blue Diluent button (for RB05C) RB_05_07_DIL Green Oxygen button (for...
  • Page 6: Service Kit Contents And Tools Needed

    AP Diving RB05 Manual Inflator Maintenance Manual 3. Service Kit Contents and Tools needed 3.1 RB05B and RB05B/1 Service Kit Contents The service kits RB05B (for the diluent inflator) and RB05B/1 (for the oxygen inflator) contain the following items: RB05B or...
  • Page 7: Tools Needed

    AP Diving RB05 Manual Inflator Maintenance Manual 3.2 Tools Needed Special tool There are no special tools needed. Normal tools Normal tools needed are: A 13mm Allen key or torque wrench with low torque settings down to 2 Newton Meter...
  • Page 8: Disassembly Instructions

    AP Diving RB05 Manual Inflator Maintenance Manual 4. Disassembly Instructions 4.1 General overview: main disassembly steps There are 6 steps in the disassembly process: 1. Unscrew the lock ring from the cylinder post base 2. Unscrew the push button from the spindle 3.
  • Page 9: Unscrew The Push Button From The Spindle

    AP Diving RB05 Manual Inflator Maintenance Manual 4.3 Unscrew the push button from the spindle The push button is screwed onto the spindle. It is kept in place by the nyloc-effect (friction). Use a spanner to keep the bottom of the spindle in place, while you unscrew the coloured button counter-clockwise from the spindle.
  • Page 10: Unscrew The Side Stem From The Valve Body

    AP Diving RB05 Manual Inflator Maintenance Manual 4.5 Unscrew the side stem from the valve body The side stem can be unscrewed by holding the side stem in either a soft-jaws bench vice or soft-jawed pliers. Clamp the side stem into a bench vice. Unscrew counter-clockwise.
  • Page 11: Remove The O-Ring From The Valve Body

    AP Diving RB05 Manual Inflator Maintenance Manual 4.6 Remove the O-ring from the valve body Using a dentist pick or similar device, remove and discard the O-ring from the valve body, taking care to not scratch the metal O ring groove.
  • Page 12: Inspect All Disassembled Elements Carefully For Wear And Tear

    Carefully inspect all parts. If any sign of damage or wear is spotted replace the associated element with a new one, using the part numbers as shown in paragraph 3.1. This completes the disassembly of the RB05 Manual Inflator. Page 12 of 22...
  • Page 13: Clean And Replace Service Parts

    3. Ultrasonic-cleaning of all disassembled parts. This is recommended in all servicing situations. 4. Lightly grease new parts, fit them, and re-assemble the RB05 manual inflators with the correct tools and the correct torques. Use appropriate silicon grease (e.g. AP70) for the diluent valve (blue button) and use an appropriate oxygen grease (e.g.
  • Page 14 AP Diving RB05 Manual Inflator Maintenance Manual A nice advantage of using a grease bag is that you use only a tiny amount of grease for greasing many O-rings, so there is little waste. We recommend that you use resealable bags, e.g. the ones with a plastic zipper, typically used for airtight food storage.
  • Page 15 AP Diving RB05 Manual Inflator Maintenance Manual Open the bag and, using a clean instrument like a dentist hook, take the now properly greased O-rings out. Inspect them to make absolutely sure that the grease is evenly and lightly distributed on the O-rings and that there are no areas of excess grease - no globs or strands.
  • Page 16: Assembly Instructions

    AP Diving RB05 Manual Inflator Maintenance Manual 6. Assembly Instructions 6.1 General overview: main assembly steps There are 9 steps in the assembly process: 1. Replace and grease all O-rings 2. Refit the mesh filter into the valve body 3. Refit the O-ring into the valve body 4.
  • Page 17: Refit The O-Ring Into The Valve Body

    AP Diving RB05 Manual Inflator Maintenance Manual 6.4 Refit the O-ring into the valve body Put a new and lightly greased O-ring back into the entrance of the valve body. 6.5 Screw the side stem into the valve body Put a new and lightly greased O-ring on the side stem.
  • Page 18: Refit The Spindle Into The Valve Body

    AP Diving RB05 Manual Inflator Maintenance Manual Put the lock ring back onto the valve body. Clamp the side stem into a bench vice. Screw the stem in clockwise. ATTENTION: when using the vice, make sure to fit it with soft jaws (plastic or fibre).
  • Page 19: Screw The Push Button Onto The Spindle

    AP Diving RB05 Manual Inflator Maintenance Manual Push the spindle back into the valve body. 6.7 Screw the push button onto the spindle Remember that you are screwing a hard metal part into a softer plastic part, and that the push button is prevented from unscrewing by the nyloc friction effect, not by the force with which it is screwed onto the spindle.
  • Page 20: Check If The (Left-Hand Thread) Cylinder Post Base Is Still Firmly Screwed Into The Counterlung

    This turning direction might be counter-intuitive to what you would expect. 6.9 Put a new O-ring into the cylinder post base Put a new lightly greased O-ring into the cylinder post base. This completes the re-assembly of the RB05 Manual Inflator. Page 20 of 22...
  • Page 21: Testing Instructions

    2.54mm, 0.100”: Connect and pressurise the inflator and immerse the RB05 and check for leaks. 7.2 Screw the lock ring onto the cylinder post base Make sure the new big O-ring still sits firmly in its groove within the cylinder post base.
  • Page 22: Rebreather Leak Test

    AP Diving RB05 Manual Inflator Maintenance Manual 7.2 Rebreather leak test Conduct a positive and negative pressure test of the breathing loop. Pay extra attention to the area around the serviced manual inflators. Either immerse the product or use some soapy water to inspect for tiny leaks.

This manual is also suitable for:

Rb05cRb05d

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