Interesting thread. I know SP makes some of the equipment obsolete but I would not think of the G500 as one of them. Anyone have a list of the ones (regulators) that are obsolete? Some of us are using older SP regs (like D400, MK20...).
Scubapro G500 not serviceable?
- Thread starter MiltonC
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There is a bit of a misconception here regarding obsolete vs a tech trained, more accurately not trained, to work on a particular unit. When a new person goes through a tech course with SP they learn how to service the regs that are in the latest catalog, meaning only the current regs that are being sold.
It isn’t until a person goes through the third level (although that has changed recently) that a tech is introduced to the older regs. Some stages aren’t even covered in the course, such as the older D-series or early Air2 generations. Simply put, if a tech hasn’t been trained to work on a piece of gear then he/she should not work on it.
People can gain experience on an older unit by working with an experienced technician to learn how to properly service it, Another way a tech can learn about the older units it to obtain several older ones and work/play with them then get with someone who has knowledge and then take the level three course, back when it was offered.
For an individual who has a good foundation servicing regs can learn how to work on the older regs fairly easy. With all that being stated there are some units that SP no longer has parts for, but has the service kits. If a component is broken and not part of the service kit (the poppet spring and purge cover for the D300/350/400 second stage for example) then the tech is left with one of two options, obtain a part from somewhere, if possible or simply inform the customer he/she will be unable to service it. There are some stages that SP no longer has service kits for such as the Mk7 and 2nd gen Air2.
The G-series second stages from SP can be serviced if the technician has some sort of training via SP’s more advanced course or working with an experienced technician to learn more about older regs. If one observes the scuba industry you’ll notice it is based on an apprentice type training to build on what was learned in a course.
When it comes to an LDS/service center/resort, it must determine if it is worth getting the training and experience to service older units. To use myself as an example, it was worth it because I enjoyed learning about various regs and I ended up servicing a lot of older units that were still in decent shape. Sometimes, it wasn’t worth it.
Good luck.
It isn’t until a person goes through the third level (although that has changed recently) that a tech is introduced to the older regs. Some stages aren’t even covered in the course, such as the older D-series or early Air2 generations. Simply put, if a tech hasn’t been trained to work on a piece of gear then he/she should not work on it.
People can gain experience on an older unit by working with an experienced technician to learn how to properly service it, Another way a tech can learn about the older units it to obtain several older ones and work/play with them then get with someone who has knowledge and then take the level three course, back when it was offered.
For an individual who has a good foundation servicing regs can learn how to work on the older regs fairly easy. With all that being stated there are some units that SP no longer has parts for, but has the service kits. If a component is broken and not part of the service kit (the poppet spring and purge cover for the D300/350/400 second stage for example) then the tech is left with one of two options, obtain a part from somewhere, if possible or simply inform the customer he/she will be unable to service it. There are some stages that SP no longer has service kits for such as the Mk7 and 2nd gen Air2.
The G-series second stages from SP can be serviced if the technician has some sort of training via SP’s more advanced course or working with an experienced technician to learn more about older regs. If one observes the scuba industry you’ll notice it is based on an apprentice type training to build on what was learned in a course.
When it comes to an LDS/service center/resort, it must determine if it is worth getting the training and experience to service older units. To use myself as an example, it was worth it because I enjoyed learning about various regs and I ended up servicing a lot of older units that were still in decent shape. Sometimes, it wasn’t worth it.
Good luck.
@Geo7 is right! The G500 included the first anti-set feature that I'm aware of in a balanced second stage.
We discuss this feature in the Regulator Technician Seminar, and here is the slide that shows it:
As you can see, the entire poppet assembly is a sliding assembly and the balance chamber isn't just the black part in the photo from a previous post, it's the whole space in front of the knob (which is why the LDS tech thought he needed that special tool, but really didn't, because that only applies to the model that followed). In any case, when the reg is unpressurized, the whole assembly places minimal pressure on the orifice, protecting the seat. When it's pressurized, the balance chamber pushes the poppet assembly against the knife edge. Really quite ingenious, though the next model is a kludge for the technician to adjust, much less understand. This version just needs a small-pin face spanner. I don't know of a reg with a seat-saver design before this one, though I could be wrong.
Atomic made it much easier by leaving the poppet assembly alone, and making the knife edge the part that backs away:
Atomic has made seat saver famous. Too bad Scubapro let this go, because it's not a feature in the S600 that followed.
Like SP shouldn't have let SPEC boots go, but I'm digressing (and ranting) now...
gnkh
New
Rsingler, I have a G500 that my local shop is saying in not serviceable because it is a first version and parts are no longer available. I can see that some parts are available with repair kits like the 11.254.045, however the tech at the shop is saying that this won't work for the G500 first version. Looking at the comments on this thread it seems like the G500 still might be serviceable and even possibly upgradable with the right tools. Is this old second stage something that you would be able to service for me and how can we put this together?
gnkh
New
Tanks A Lot
Contributor
I'm not entirely sure why they would refuse service on this unit.
Yes, there were two different setups of the G500, the US and EU version. However, this existed right from the start and parts are mechanically interchangeable.
The G500 received a performance upgrade with the kit 11.500.070. The upgrade was introduced in march 2000 if I'm not mistaken. It contained a different poppet and poppet housing among other things.
This part is on backorder at the moment, but should be back in stock in Europe in one month.
The service kit 11.254.045 does not list the G500 on its label, but it should contain everything needed anyway. This is in stock.
I'm not sure how it looks in the US but I suspect it would be similar.
Yes, there were two different setups of the G500, the US and EU version. However, this existed right from the start and parts are mechanically interchangeable.
The G500 received a performance upgrade with the kit 11.500.070. The upgrade was introduced in march 2000 if I'm not mistaken. It contained a different poppet and poppet housing among other things.
This part is on backorder at the moment, but should be back in stock in Europe in one month.
The service kit 11.254.045 does not list the G500 on its label, but it should contain everything needed anyway. This is in stock.
I'm not sure how it looks in the US but I suspect it would be similar.
We're in contact.
Thanks, @rhwestfall !
Thanks, @rhwestfall !
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