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A/C Line caps/ block off fittings


txdslshop

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I am moving forward with the build on passenger seating in my 630 Volvo sleeper. I have scrapped the idea of the dinette and will be building a tunnel box between the side doors on the sleeper and mounting a jacknife couch on the back wall to give us forward facing seating for the remaining 4 boys at home. I am also moving forward with a roof mounted a/c and I am going to remover the bunk a/c to give us more storage and floor space. I was hoping someone here may have some insight on sourcing the high and low pressure fittings to cap the lines at the firewall. Looks like I need an oring block off plate for the suction and a cap for the high side. Thanks for any and all help. Jeremy

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Thanks. Unfortunately the lines measure out to .390 and .710 OD and I have yet to find the .710 (18mm) block off fitting. So, I was hoping that perhaps a Daycab Volvo may of used the same lines, just blocked off maybe? IDK. Either way, I have pulled the freon out of this truck today and will be pulling the a/c box out in the morning to get the floor insulated and decked. I have some time to find the fittings, and/or have them made. Thanks. Jeremy

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Thanks yall!! I got everything ripped out a couple days ago and am working on sourcing the things I need now. I am headed to the coast for the weekend and won't get to work on it until next week. I have temporarily capped it to keep moisture out for the next few days. Thanks. Jeremy

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Hi Jeremy,

 

Curious about your project. I'll doing the same exact thing to a 630. Pulled out both bunks and bought a Sprinter 4-person seat to install for my 4 kids. I got to the point of pulling out the rear AC unit and stopped with tons of questions. Once the weather cools down a bit, I plan to get this finished before our spring travels. Would you mind continuing to post photos or email me directly? - Chris

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Just a bit on the curious side today.... what are you folks planning to do for heat and a/c for your passengers stuck in the sleeper area?

My thoughts also. I have been wrestling with getting a backseat for my grandkids for couple years. Just can't eliminate the benches and AC/heat. Will be interested in the solutions.

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Just a bit on the curious side today.... what are you folks planning to do for heat and a/c for your passengers stuck in the sleeper area?

Don't worry about them, they're just freeloaders.....said Dad when us kids complained in the back of the 13 passenger van. (I was one of 8.)

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Just a bit on the curious side today.... what are you folks planning to do for heat and a/c for your passengers stuck in the sleeper area?

 

Probly just have them sit on the sofa in the 72 Aerodyne, do up the seat belts, and blast the bunk ac / heat as necessary....

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I think I'm looking at 3 options for the AC, of which I haven't decided on yet. Option one is to remove the rear unit and extend the lines to mount it just outside the cab on the back-side. Another is to do as it sounds txdslshop is doing, put in a roof AC unit in. The last option is use the extra space behind the passenger side fairing to install a residential AC unit inside a box of course to keep road dirt out. This could also be installed over the bench seat extending out the back.

 

The things for me to consider is that ideally, when we're parked at a campground, I can run the AC without running the truck so I can use it as an office. So it would need to run either on 12v or shore power.

 

I really haven't gotten that far. I'm still stuck on removing the dang thing from the cab and not loosing my front AC. Then I can rig up the mounting brackets for the bench seat and THEN worry about keeping the kids happy.

 

I'm open to ideas!!

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So... I kinda wanted my cake and eat it too. I wanted forward seating for the boys, a rear window, and more room. So, I ditched the rear a/c and will be going with a Mach 8 on the roof. Hopefully my limited carpentry skills will allow all this to happen and look decent. Here are a couple pics to give you an idea of what I have so far and how it will lay out. The bench is a little high for my taste, but I wanted to have full height in the tunnel box for bags. I have a company making us a jackknife sofa and matching front captains chairs in Black Ultraleather. Once I get the Couch here I will be cutting out a large access under the couch to set bags and things into the middle. Maybe these pics will stir your creative juices. LOL Jeremy

 

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That's looking really nice! I agree with the full use of that storage and I really like the plywood on the floor to level things out. I hadn't gotten quite to that point, but it did cross my mind. Did you put down any sort of soundproofing under the plywood? I was looking at Dynamat Xtreme ( on Amazon ), seemed to get good reviews from the stereo enthusiasts out there.

 

How did you end up capping off your rear AC?

 

Thanks for the photos. Keep them coming. It may motivate me to get this done sooner!

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Work is slow going now. Waiting on the couch and captain chars to be built and shipped down. I did put some reflectix down as it was all I had around at the time that was lightweight. I am trying to be mindful of the abilities of the cab air bags as I go along. I had some much better soundproofing in the warehouse, but it was much too heavy for my taste. So reflectix had to do the job. I know it worked wonders this summer on insulating the west windows of our camper at the beach place. I will also be doing some kind of undercoat if I can under the cab as well. Good luck with your build!! Jeremy

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  • 2 weeks later...

Got a little work done today on the truck. I mounted and rewired the Jackalopee inside and had some leftover roll on bedliner that I used to try and seal the floor of the storage compartment. Looks decent enough to me. Just need to scrounge up some light grey enamel to paint the rest. Here is a pick of my bad paint work and a pic showing why I don't get a lot done on the weekends this time of year!! LOL Jeremy

 

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Ok. I got bored today and got my caps done for the rear a/c. I gave up on finding the right fittings and we just brazed it closed after flattening and then I mixed up some epoxy in a syringe and I filled the tubes with it. Should be good to go. I can't see it leaking now. I will let it cure and reinstall. Here are couple pics. Don't judge my neighbor's brazing skills. I don't have a tig setup and this is what we had to work with. Jeremy

 

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Looking good! I don't know that I would have thought of that capping solution. I searched all over the internet but found nothing. I hope it holds. I don't see why it wouldn't though.

 

It's still blistering hot here, like working in the attic anytime you step outside. I have started digging out the Sprinter seat from the shed though. Curious about changing up the mounting brackets.

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Well, my neighbor's aluminum brazing rod didn't exactly fill me with confidence. So, I figured that a couple inch thick plug of epoxy should seal it up and so far so good. I vacuumed the system down for an hour and charged the system late last night. We shall see how it works in the long term, no reason that I could think of that makes believe it won't last forever. Fully cured epoxy should be pretty impervious. I hope. LOL

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  • 2 weeks later...

Not yet Jack. I just cut the windows in and havent done anything further inside. Still deciding on clamping ring install versus drilling the window frame and using stainless machine screws to attach. Then I have to figure out how to trim out the inside. The only clamp rings I could get for these windows are for a 1 1/4" thick wall. I am not too keen on trying to shim the opening on a curved body to that thickness. Any ideas? Jeremy

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