My "new" independent doubles setup

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Kupu

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O-ring part number in the manual don’t correspond to anything on the Scubapro O-ring chart. So I don’t know materials, size or SH to cross them over. I thought I saw someone trying to make a chart for the Pilot on SB but can’t find it now.

Pilot orings discussed here, including annotated file for reference. I used EPDM duro 70, except the duro 50 orings where silicone was used.
 

AfterDark

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Today is the last day of regulator service week. There are 2 exhaust tees to re-install so the water is on to boil and the wrestling match will begin soon. That's another good thing about the AIR 1 and Pilot 2nd stages no @$@#%#%#$^$%^ hard rubber exhaust tee to deal with!! #$^#^#$^%#$!!!!

Also serviced all the elbows and switches. The hardware got the same cleaning treatment as the regulators and all the O rings were replaced except for the 4 inside the selector knob of each switch. I have used the same switch on my primary set since it was1st installed 5 years ago. The other 2 have been on the ID secondary regulator and octo regulator since they were installed.

Those 2 haven't seen much use so, after reassembly I rotated the octo switch with primary switch, and kept the other with the secondary, I didn't have any O rings the correct size for the switches so when I pick up my 50's I'll get some. Water's boiling, #$%@!@##%@@!@!!!&&%*!!
 

BoltSnap

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Today is the last day of regulator service week. There are 2 exhaust tees to re-install so the water is on to boil and the wrestling match will begin soon. That's another good thing about the AIR 1 and Pilot 2nd stages no @$@#%#%#$^$%^ hard rubber exhaust tee to deal with!! #$^#^#$^%#$!!!!

Also serviced all the elbows and switches. The hardware got the same cleaning treatment as the regulators and all the O rings were replaced except for the 4 inside the selector knob of each switch. I have used the same switch on my primary set since it was1st installed 5 years ago. The other 2 have been on the ID secondary regulator and octo regulator since they were installed.

Those 2 haven't seen much use so, after reassembly I rotated the octo switch with primary switch, and kept the other with the secondary, I didn't have any O rings the correct size for the switches so when I pick up my 50's I'll get some. Water's boiling, #$%@!@##%@@!@!!!&&%*!!

Why do you do this in the middle of the dive season and not in the winter?
 

AfterDark

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Why do you do this in the middle of the dive season and not in the winter?

I usually do and was supposed to even had "next service due winter of 2021" in my notes/records.
But things change, priorities reorder themselves sometimes. That's what happened this year.
Since they were still performing well and I've only done six that's 6 dives, how sad, this season service got moved down on the priority list.

When I started I intended to service only the MK5 with the HP failure but, after I was done and all the stuff was still out and well maybe I should do the MK5 I've been using most and use this fresh one for a while. Then things just got out of control and I couldn't stop myself it became a compulsion an obsession! :confused: I have 4 sets of 109/156/mk5 plus 2 double hose regulators so having one down at a time isn't a problem and I'm not diving because the @##@$@#%weather around here really bites! So what the heck I'm retired, instead of cutting the grass, racking the yard, changing the front struts in my car, I serviced my regs. :banghead:

EDIT ADDED
The 50's are ready. The next post or addition to this one will be after I get it setup and soap bubble tested. That way what's left of the chrome will be wet and shiny for the pictures.

EDIT ADDED
The post service of the MK5s look good, I am very pleased and the results are encouraging. There are 4 MK5, 2 have S.P.E.C ambient chamber caps, 2 have standard ambient chamber caps. By some stroke of luck each the S.P.E.C MK5 have the same IP Hi and low and each MK5 with standard ambient chamber caps also have the same IP Hi and LO but are different from the S.P.E.C MK5s, and as such easy to tell apart!

The 2 SPEC Mk5s are now primary (left) and secondary (right), both have 130psi IP @ LO and HI pressures. If everything I know and read about the A.I.R. 1 is correct then with both inline valves open both tanks will drain at about the same rate, without any action(s) by me.

The standard ambient chamber cap MK5s should/may/will also drain the same way depending at what pressure the IP drops on each MK5. Both these have 120psi LO and 130psi HI
Then there’s the unknown will and how much does the IP change after a few dives? So far the primary has 1 short mini dive and 1 full dive. I soap bubble tested my primary regulator set in single tank configuration and found one bad O ring on the LP hose connection to the inline, it was a very small leak that caused a 50psi drop after closing the valve over a 15 minute interval. After changing the bad O ring I re-tested, no bubbles, then shut the valve off and left to pickup my 50’s and go shopping with Mrs.AD. Three hours later when returned the SPG showed a slight change of maybe 50psi, good to go.

The 50s are VERY buoyant when empty, so IMO they need some non-ditchable weights and what better place than on the back between the tanks? So I used a piece of 2” webbing, folded it in half so that there was enough room for a 5/16” DIA hole at each end with 2 three lb hard weights on the strap. Then I used an awl to punch thru the strap and then a hot tapered drift tool to make it 5/16”DIA and also melt the edges to prevent fraying.

I don’t throw much away so I have some washers from when I used SS bands, they are concave/convex from tightening the bands. I used 4 washers, 2 with the convex side facing up at the top and bottom of DTA, then placed the strap on top pushing the threaded rods thru the holes.
Then placed the other 2 washers convex sides down and tightened both nuts down until the threaded rods were flush with the nuts.

There is also about 16lb of ditchable weights, maybe less. This time of year I use 3mm farmer John bottom and a 7mm jacket so I use less weight with any of my configurations. Sometime during Oct I change to the 7mm farmer John bottoms and a little later if I’m still diving a 2mm hooded vest so the weight goes up.

So now I either wait for the weather to get better, take a diving trip or find a different lake to use as a test site.
 

AfterDark

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Looks like there'll be no diving here for awhile!!!:rant::banghead::mad:

Tonight...S Winds 5 To 10 Kt. Seas Around 2 Ft. A Slight Chance Of Showers And Tstms After

Midnight. Some Tstms May Produce Heavy Rainfall After Midnight.

Thu...S Winds 10 To 15 Kt With Gusts Up To 25 Kt. Seas 2 To 4 Ft. A Chance Of Showers.

Thu Night...Sw Winds 10 To 15 Kt With Gusts Up To 25 Kt. Seas 2 To 4 Ft. Patchy Fog. A Chance Of Showers In The Evening. Vsby 1 To 3 Nm.

Fri...Sw Winds Around 10 Kt. Seas 2 To 4 Ft.

Fri Night...Sw Winds 5 To 10 Kt. Seas 2 To 3 Ft.

Sat...S Winds Around 5 Kt, Becoming Se In The Afternoon. Seas 2 To 3 Ft. A Chance Of Showers.

Sat Night...Tropical Storm Conditions Possible. Gusts Up To 20 Kt After Midnight. A Chance Of Showers.

Sun...Tropical Storm Conditions Possible. A Chance Of Showers.

Sun Night...Tropical Storm Conditions Possible. A Chance Of Showers In The Evening.

Mon...Sw Winds 20 To 25 Kt, Becoming W 15 To 20 Kt In The Afternoon. Seas 6 To 9 Ft, Subsiding
To 4 To 7 Ft In The Afternoon. A Chance Of Showers In The Morning.

Mon Night...Nw Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt After Midnight. Seas 3 To 5 Ft.
 

AfterDark

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AfterDark

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https://www.shearwater.com/products/perdix-ai/

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