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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...
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.
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...
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...
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...
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.
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.
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.
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.
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...
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.
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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.
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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.
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.
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.
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).
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.
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...
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.
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.
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