TNT Blower Restriction

[Bucey]

Maybe this can help some here with TNT's

 

[dgardner]

Thanks Ryan! I wonder how many Judson owners don't know that little screen is there....

 

[dgardner]

If I had that unit I think I would be replacing that elbow with a stainless box and put a regular threaded inlet filter inside.

 

[Bucey]

If I had that unit I think I would be replacing that elbow with a stainless box and put a regular threaded inlet filter inside.

It's an older model. Les, doesn't design them that way anymore. No more elbow, there is a air chamber housing that the blower inlet goes straight into off of the recovery tank. If that makes sense.

 

[GeneMiller]

If I had that unit I think I would be replacing that elbow with a stainless box and put a regular threaded inlet filter inside.

Me too.

Gene.

 

[Bucey]

I think you guys are just making a simple solution or maintenance issue more difficult.

It would seem, these suggested modifications would create more unnecessary components on a simple system.

It's a non issue, now that we are aware of this potential blockage.

 

[JS41035]

It's like pointing out a possible restriction on an early model Butler silencer. Bad taste.

 

[Bucey]

It's like pointing out a possible restriction on an early model Butler silencer. Bad taste.

Could you expand on that thought.

 

[dgardner]

I think you guys are just making a simple solution or maintenance issue more difficult.

It would seem, these suggested modifications would create more unnecessary components on a simple system.

It's a non issue, now that we are aware of this potential blockage.

Well, imagine instead of taking loose several clamps and removing an elbow with a mallet, then digging around with a tool to clear the junk out you just popped a couple of latches, lifted off the top of the box and unscrewed a filter - that you could take over to the bench and gently brush (and/or back-flush with the water hose) - all without tools. And, btw, the filter would have about six times the area of the original screen so you wouldn't have to clean it nearly as often.

The box would replace the elbow, and you would never have to tinker with it or remove it. The only added component would be the filter, which can be cleaned and reused indefinitely. So, basically one additional component. There's a reason that pretty much all TM's use a similar filter nowadays - it's a pretty good idea, and not invented by me by any stretch of the imagination!

 

[Larry Cobb]

Had a PC Legend in the shop today for low vacuum.
PC Engineer used an "aluminum nipple" for the large vac filter to thread onto.
It had corroded the threads to the point that it required destroying the vac filter with an air chisel,
to even turn the filter.

Filter had been stuck for a year or more, resulting in very poor suction . . .

and many wet carpets.

 

[dgardner]

Had a PC Legend in the shop today for low vacuum.
PC Engineer used an "aluminum nipple" for the large vac filter to thread onto.
It had corroded the threads to the point that it required destroying the vac filter with an air chisel,
to even turn the filter.

I'm hoping to avoid that. The adaptor I fabbed for the machine I am building is all stainless. I just recently got a second argon cylinder and regulator so I can properly back-purge the stainless. Huge improvement. Here's the filter - 11" long with 3" NPT connection:

 

[Nate The Great]

I'm hoping to avoid that. The adaptor I fabbed for the machine I am building is all stainless. I just recently got a second argon cylinder and regulator so I can properly back-purge the stainless. Huge improvement. Here's the filter - 11" long with 3" NPT connection:

View attachment 6880

Nice welds Danny!

 

[GreenTechAgain]

I usually just clean mine from the bottom from the tank access.

Never has been that clogged, and I don't use any filters.

Do you pre-vacuum?

I have to do an oil change in a few hours, I am going to check from the top side down then.

Let you know what I find. Thanks for the post.

 

[Blue Monarch]

Great video. I'm sure that will help a bunch of guys.

I wonder if the newer models have any type of cross bars. I'll pull mine apart and give it a look.

 

[Bucey]

I purchased this unit used in the spring. This was an obvious inherited matter that the previous owner was not aware of.

Yes, we prevac all homes. It's like one of the ten commandments to me. We also use an inline filter.

I doubt the new models have this, mostly because it's now a welded chamber that rises off the waste tank. Would be worth a look though. Maybe, I'll check ours out.

 

[Mike Draper]

 

[Bucey]

Mike, is that how Les designs the C4 units? Or is that a modification you have done? I still don't like seeing that 90 and all those filters. But what do I know?

 

[Mike Pailliotet]

Where is the best ( cheap) source fur the filter Dan has


I need six..

 

[dgardner]

I got mine from applied - about $88. They seem to have most of the sizes. I got the 30 mesh. You can get a metal nut (end) but I prefer nylon. Here's a 3" NPT:

https://www.applied.com/apps/commerce/catalog/catalog.do?e=10&s=101962772&r=0&type=a&mp=PASS100

 

[dealtimeman]

Make sure the filters are all stainless mesh and reinforcement or they will rust through and won't be warrantied. The nut needs to be plastic.

 

[dgardner]

Yikes - thanks Michael - I listed the wrong one above! I edited to list the nylon/stainless version. More expensive (of course).

 

[Scott S.]

View attachment 6885

couldnt you have put a single full size filter in and gotten the same or more surface area to pull air threw, sorry i was in manufacturing and i see these things. more surface area = less restriction.

 

[dgardner]

Perhaps a single filter with equivalent area would have been too long to physically fit in the available space? Also the filters of that type I have seen are only available up to 3" inlet - multiple filters would be needed to avoid inlet restriction for a larger piping size. Just guesses.

 

[Mike Draper]

dan, your exactly right. I couldnt use the standard long filters or else I would need to lengthen the tank. 2 filters are acutally more than sufficient, but since the modified inlet from aerotech already had 3 holes there was no reason not to use the 3rd hole.
When taking the filters off, I have exactly 1" of space when the filter is to the last thread on the nipple. Made the tank just big enough for the filter removal / installation

 

[Mike Draper]

Mike, is that how Les designs the C4 units? Or is that a modification you have done? I still don't like seeing that 90 and all those filters. But what do I know?

The C4 has an air chamber that comes up from the tank in order to slow the air down. No filters

 

[Bucey]

The C4 has an air chamber that comes up from the tank in order to slow the air down. No filters

So you added the filters? Correct?

 

[Nate The Great]

So you added the filters? Correct?

He build a pretty awesome TM...

http://mikeysboard.com/forum/index.php?threads/steam-punk-407.279917/

 

[Mike Draper]

Bucey, I built this machine from the ground up. check out the video link from nate.

 

[Bucey]

I thought that was the unit I saw in the video......what through me of was this....

I notice now that was your LP heater.

 

[GeneMiller]

Ho

I think you guys are just making a simple solution or maintenance issue more difficult.

It would seem, these suggested modifications would create more unnecessary components on a simple system.

It's a non issue, now that we are aware of this potential blockage.

Funny that adding a filter would be considered an unnecessary component. Debri getting sucked through the blower might not hurt it but I wouldn't like it. When you drive the water in the tank sloshes around putting whatever is in the water everywhere. As much as I do with all the my filters they still get coated, and I have two large ones. i have a large surface area reducing the vacuum effect, imagine if I only had one small one.. You can see the effect, stuff is getting sucked through.


Gene.