Hypertherm Max42
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  1. #1
    Join Date
    Dec 2010
    Posts
    36

    Hypertherm Max42

    bought a max 42 last weekend and have a few questions maybe someone can help me out with.
    1st is the pilot are is broken the previous owner looked into it some and believes it was the pilot arc board. any thoughts?
    2nd is consumables someone on another forum believes the torch has been replaced(might be an RT60) also the previous owner mentioned he had a hard time finding the right consumables. The sticker on the torch handle says its PAC1217. Was wondering if the consumables at this link would work since as far as i can tell by looks they are the same.
    http://www.river-weld.com/hypertherm...s01_p6432.html

  2. #2
    Join Date
    Aug 2011
    Location
    Cape Cod, MA
    Posts
    999

    Re: Hypertherm Max42

    The torch you have is called a PAC-121T, not a 1217. It is of the same era as the MAX42 so it may be the original torch. The RT-60 is the torch Hypertherm recommends as a replacement, and should be easier to find consumables for.

    The consumables in your link look like the right ones for that torch, but I'm not sure, the MAX42 I have here has the RT-60 replacement torch.

    Also, are you sure the pilot arc problem you are having is the board and not a problem with the torch or something else? Does it work at all?

    Jim Colt from Hypertherm is a regular on this board, hopefully he can give you some assistance as well.

    John
    A few welders
    A lot of hammers
    A whole lot of C-clamps

  3. #3
    Join Date
    Dec 2010
    Posts
    36

    Re: Hypertherm Max42

    you are correct it is PAC-121T. Its just that the "T" looked like a 7 at first glance.

    The plasma cutter does work. i fired it up last weekend and did a little bit of cutting. It just takes a few tries to get an arc going with out the pilot arc. I'm not quite sure what the problem is since i bought it broke.That is why I figured i'd look into it a bit and see if someone knew anything about it.

    Figured i couldnt go wrong for $200


  4. #4
    Join Date
    Mar 2010
    Location
    Delaware
    Posts
    916

    Re: Hypertherm Max42

    The PAC121T is the stock torch for the MAX42
    The first thing to do is make sure the consumables are the right ones
    cap 020930
    nozzle 020350
    electrode 020573
    swirl ring 020361
    before thinking the board was bad. I have seen the wrong parts in a lot of torchs that the customer has brought in there plasma cutter not working.
    Lincoln Power Mig 180C
    Hot Max Spool Gun
    HF 95136 and 60767 Plasma Cutter
    ALPHA TIG 200X
    Lincoln 225 AC
    www.georgesplasmacuttershop.com

  5. #5
    Join Date
    Dec 2010
    Posts
    36

    Re: Hypertherm Max42

    the swirl ring is the correct part. As far as the other parts I can't tell since I could find part numbers. I'll find out whenever I get some new consumables if thats the problem. Anyone know of any other dealers for consumables?

  6. #6
    Join Date
    Oct 2007
    Location
    New Hampshire
    Posts
    2,239

    Re: Hypertherm Max42

    Even though the Max42 is probably over 20 years old....you can call Hypertherm tech service and they can help you troubleshoot the unit...it is free, and they are usually very helpful even on older systems like this.

    Consumables....No one should ever have issues finding consumables for any Hypertherm torch that was ever produced. They are in stock at Hypertherm....go to an authorized distributor (a list is on www.hypertherm.com click on "where to buy") and they can order them for you. If you need part numbers for Hypertherm consumables....again the website lists all consumables for all systems...even if it has been out of production for 20 years. Here is a more direct link to the consumables page for hand torches. http://www.hypertherm.com/en/Product...parts_list.jsp

    As Mechanic 416 says....the issue may just be the wrong combination of consumables in the torch.


    Jim Colt Hypertherm



    Quote Originally Posted by Andyman View Post
    bought a max 42 last weekend and have a few questions maybe someone can help me out with.
    1st is the pilot are is broken the previous owner looked into it some and believes it was the pilot arc board. any thoughts?
    2nd is consumables someone on another forum believes the torch has been replaced(might be an RT60) also the previous owner mentioned he had a hard time finding the right consumables. The sticker on the torch handle says its PAC1217. Was wondering if the consumables at this link would work since as far as i can tell by looks they are the same.
    http://www.river-weld.com/hypertherm...s01_p6432.html

  7. #7
    Join Date
    Mar 2010
    Location
    Ceres, California
    Posts
    2,525

    Re: Hypertherm Max42

    Make sure your consumables are marked with HT and a part number and NOT ITW.
    These look the same but are different sizes.
    Also do not over tighten the cap. Turn on until it stops then back it off a little.
    Make sure you air pressure is set right. To high or to low are both not good.

  8. #8
    Join Date
    Dec 2010
    Posts
    36

    Re: Hypertherm Max42

    Finally get some hypertherm consumables and tested it out. New/right consumables didn't help any at all. still no pilot arc. so would this mean it is the pilot arc board?

  9. #9
    Join Date
    Oct 2007
    Location
    New Hampshire
    Posts
    2,239

    Re: Hypertherm Max42

    Best bet...call Hypertherm tech service. They are free and very helpful. There are a lot of things that could cause the arc not to fire...a broken wire in the torch leads...a sticking torch plunger, incorrect air pressure/flow, etc. It is a lot more effective to have the experts help you...than to just guess at replacement parts! www.hypertherm.com click on "contact us" then you will find the email and phone numbers for tech service.

    Jim Colt Hypertherm

  10. #10
    Join Date
    Mar 2010
    Location
    Ceres, California
    Posts
    2,525

    Re: Hypertherm Max42

    What is your air pressure setting. It is always set with the air flowing.
    Make sure the cap is not to tight. If the cap is to tight or the air pressure is to high. The torch has a hard time firing a pilot arc. When you were able to cut the torch did make a pilot arc. To high of air pressure it will blow the pilot arc out. With the torch on the metal when the trigger is pulled, the short pilot might be just long enough to get the cut arc going. If the cap is on tight, the electrode might have a hard time moving and starting an arc.
    Make sure you has at least 80 psi supplied to the unit. Set the plasma regulator to 70 psi with the air flowing.

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