Hello from Ireland!

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dipadp
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Hello from Ireland!

Post by dipadp » Fri Sep 06, 2019 7:25 am

Hello to everyone!
I am new here :Yay
OK, so the long story short.
I just got hypertherm powermax 1000 g3, old as earth plazma cutter, for my project.
Found this forum, while searching for the info related my pm1000 problem, just trying to connect to single phase instead of 3ph.. Just want to start cutting my Land rover defender chassis, need lot of cutting and welding :HaHa typical landy :Like
Just saw that here is a lot of interesting info, also would like to share my story here, might be someone will need it.

robertspark
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Re: Hello from Ireland!

Post by robertspark » Fri Sep 06, 2019 2:34 pm

welcome and hello to another landy sufferer with a tin worm affliction .... :Like :Sad
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Re: Hello from Ireland!

Post by sphurley » Fri Sep 06, 2019 4:57 pm

PM1000.pdf
Try this

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acourtjester
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Re: Hello from Ireland!

Post by acourtjester » Fri Sep 06, 2019 5:22 pm

OK you have the curiosity peaked from this side of the pond “Tin worm”?? :oops:
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dipadp
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Re: Hello from Ireland!

Post by dipadp » Fri Sep 06, 2019 5:37 pm

Yes, tin worm. I got my lady like that, it has a lot of things to be repaired, but I will do it, I always wanted to have it, so there is a chance to save one of these :D

robertspark
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Re: Hello from Ireland!

Post by robertspark » Fri Sep 06, 2019 6:02 pm

tin worm = rust

unfortunately when they built the original land rovers (series 1, series2, series 3, 90, 110, defenders) they built a steel ladder frame chassis and overclad the body with aluminium panels pop rivited to a steel supporting frame and bulkheads

all this nice aluminium in contact with steel + the kind salt applied to our roads means not only does the steel corrode when the mud is stuck to all the crevices of the ladder frame chassis.... but it's aided by salt and galvanic action... meaning the aluminium panels bubble and blister too (lessened with some of the last ones made though)

oil leaks on a Landover are a good thing.... you know it's got oil in it.... and it doesn't rust as quick.... start to worry when there is no oil on your driveway :HaHa
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dipadp
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Re: Hello from Ireland!

Post by dipadp » Sat Sep 07, 2019 5:12 am

True, was reading many horror stories online, related rust and other landys problems.. Looks like best thing to do while restoring them, add something like silicone gasket or something like it, between aluminium and steel.. Will make some pictures of my joy, so others can decide if they want to get such a money pit :D

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Re: Hello from Ireland!

Post by robertspark » Sat Sep 07, 2019 7:27 am

I've used neoprene / nitrile foam rubber on mine in various locations as rubber strips and also using hole punches on the neoprene foam rubber sheet to make rubber insulating and waterproof washers.

note it is neoprene / nitrile foam (ie compressible) rubber sheet...

I took my time with the bulkhead but had it (phosphoric) acid dipped and the initial steel protective coat
http://www.paint-strip.co.uk/
then cold galvanised painted with
https://www.zinga.eu/

used the plasma cutter to make various replacement brackets.
I use sheetcam, scanything to copy brackets sometimes as it's faster than measuring sometimes
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ben de lappe
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Re: Hello from Ireland!

Post by ben de lappe » Sat Sep 07, 2019 7:49 am

Welcome to the forum! Thank you guys for the tin worm education, had no clue. Quite fitting. I though galvanic corrosion resulting from steel/aluminum contact was pretty much common knowledge, at least in the metal industry. I men, did the pop rivet guy on the assembly line not know or what? :HaHa
Love to see pictures of the money pit. :Yay

dipadp
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Re: Hello from Ireland!

Post by dipadp » Sat Sep 07, 2019 7:55 am

Thanks for all info guys! it will definitely help on my landys rebuild!
By the way, back to my pm1000 problem, maybe anyone had that issue before.
So I have got used plasma cutter, it works no problem from 3ph power.
There is youtube link https://www.youtube.com/watch?v=NVm5ZmVxPQw
According specs, it should be able to run from 1ph socket as well, so as was shown in the manual, I just disconnected L3 , and left L1 and L2 but it shuts off straight after a spark, there is youtube link as well https://www.youtube.com/watch?v=ZuOWAA9HQgs
According manual, it has low voltage, but how it could be, if it's not tripping the power breaker...
I am using same socket on welder, and no problem at all.
Any ideas ?

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Re: Hello from Ireland!

Post by robertspark » Sat Sep 07, 2019 9:18 am

how did you wire L1 and L2?

can you provide a photo of the rating plate as there are I believe two variants (at least ) of the pmx1000
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Re: Hello from Ireland!

Post by acourtjester » Sat Sep 07, 2019 9:24 am

Thanks for the "Tin Worm" expilation, I have a Hypertherm PM65 and it is wired as the book shows for 220 volts AC. Have you tried to contact them via email to the tech services. They show many countries offices phone numbers but none in the UK email should get you there.
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Re: Hello from Ireland!

Post by robertspark » Sat Sep 07, 2019 9:26 am

this is the actual manual you need

the service manual which provides the wiring schematics


https://www.google.com/url?sa=t&source= ... p9NyIqwDYI

you may need to remove the filter from the CE unit (it will say "CE" on the rating plate
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robertspark
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Re: Hello from Ireland!

Post by robertspark » Sat Sep 07, 2019 9:39 am

if you read page 3.5 or pdf page 46/87 of the operator manual it tells you that the CE model is only three phase.... hence I suspect that the filter is inducing a current in the unused phase....

hence if you remove (bypass the filter) the single phase L + N will get fed through directly to the bridge rectifier. (see last page, top LHS of service manual)
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dipadp
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Re: Hello from Ireland!

Post by dipadp » Sun Sep 08, 2019 1:50 pm

There is back plate from my pm1000 , also board with connection as i got it, and I tried to connect it only by removing L3.

https://photos.app.goo.gl/BFzdGGiPUhBH8G3P7

robertspark
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Re: Hello from Ireland!

Post by robertspark » Tue Sep 10, 2019 12:45 am

your model is listed here (search model no 083170)

https://www.google.com/url?sa=t&source= ... VDIxSLUVXg

it is a CE model , confirmed in the manual and on the rating plate

it is 3phase only, confirmed on the rating plate

you will need to make up three short leads to bypass the filter board in the. lower right of your photo to go from the switch to the main PCB.

and remove the CE jumper as denoted on the schematic
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dipadp
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Re: Hello from Ireland!

Post by dipadp » Wed Sep 11, 2019 4:26 am

BIG THANKS FOR ALL ADVICE, MY POWERMAX 1000 IS WORKING FROM SINGLE PHASE! SO THAT MEANS, I WILL START MY LAND ROVER DEFENDER 110 RESTORATION ASAP :D

robertspark
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Re: Hello from Ireland!

Post by robertspark » Wed Sep 11, 2019 8:34 am

glad I could be of help. :Like

watch the single phase current as it could be high (~45A), especially if you are on a domestic supply and have a compressor running too
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