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Technical Info

Seized parts, damaged parts and broken tools

Posted by Pia Limpiyasrisakul on

Anyone with some experience in servicing scuba equipment will have encountered one of the following situations: 1/ seized parts (damn, I can get the bugger loose), 2/ technician induced damaged parts (damn, I just damaged the customers’ equipment) and 3/ broken or damaged tools (damn, why did that tool just snap). If you haven’t encountered any of those situations, don’t worry, it’s a guarantee, it will happen to you one day. This article will go over some reasons for this to happen, how you can avoid and get yourself out of those prickly situations. In other words, avoid being part...

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Instrumentation options? Choosing the instrumentation that is suitable for you

Posted by Pia Limpiyasrisakul on

We often get asked the question “What gauges should we purchase?”, “What do you prefer, analogue or digital?”, “Which one is better, analogue or digital?”…. These questions give us enough food for thought to make it an interesting topic but not an easy one to answer. In our opinion, what you choose really is the technicians’ personal choice. Some people like the colour blue, others like pink or turquoise. Sure you get the idea by now. However, there are a few points to consider, so there we go… WHAT INSTRUMENTATION IS REQUIRED? When servicing regulators, 2 basic types of instruments...

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How to gear up for servicing regulators? Choosing the tools or kit(s) that are right for you

Posted by Pia Limpiyasrisakul on

We often get asked the question “What are all the tools to I need to service model X from brand Y?”. The word “all” in the above mentioned question is a bit daunting as this makes us wonder where to start: Does the technician still need basic hand tools such as hex keys, spanners? Does the technician still needs set-up equipment and instrumentation as pressure gauge(s) and in-line adjustment tools? Does the technician still need basic scuba service tools like O-ring picks, vise handle….? Does the technician still need cleaning equipment like an ultrasonic cleaner? Does the technician already have...

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The use of torque adapters

Posted by Pia Limpiyasrisakul on

Torque wrenches are used to apply a correct torque (force) to a ‘critical part’. Often we’d like to apply the correct torque in order to: Avoiding over-tightening the parts(s). Over-tightening could lead to damage of the parts: small delicate parts could break, threads could be stripped, bodies could crack… Avoid under-tightening the part(s). Under-tightening could lead to: parts being able to be loosened by hand, parts vibrating loose… When using torque wrenches with adapters (e.g. the use of a crowfoot wrench), one has to be careful as to apply the correct torque in order avoid over torqueing parts. There are...

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Adjusting downstream second stages

Posted by Pia Limpiyasrisakul on

NOTES: The text below uses some simplified schematics to illustrate the effect of different adjustment options for downstream second stages or demand valves. As to isolate the effect of the different adjustment options, one adjustment option at the time is being shown whilst the other adjustment option remains fixed. In reality both adjustment options go together hand in hand and changing one might require an adjustment of the other option as well. The illustrations are for balanced second stages; however the principle remains the same for unbalanced second stages. A WORD OF CAUTION: Always follow the manufacturer’s recommendations with regards...

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