20 Most Recent RTO THERMAL DYNAMICS CUTMASTER 52 PLASMA CUTTER 1-5130- 1 Questions & Answers


Try and replace the swirl ring. We had the same problem and it fixed it. They cost around 35 bucks

RTO THERMAL... | Answered on Dec 20, 2010


We had the same problem. Try and replace the swirl ring in the torch head. It costs around 35 dollars. It worked for us.

RTO THERMAL... | Answered on Dec 20, 2010


Hi,
To find out why the fuse keeps cutting off you will need to open that up and trace down the problem with an OHM meter...
You may find a black spot where it is shorting or arcing, but if not then the circuits will have to be traced and eliminated one by one till you find the source of the problem...
It could be anything from bad wire or connection to a bad transformer..

heatman101

RTO THERMAL... | Answered on Oct 12, 2010


There is a resettable breaker inside the machine that cuts off power to the plasmahead when tripped. Check that and make sure the head is secore to cable and cable is secure to machine.

If it still fails to function check the coil in the contactor to make sure it has not burned out. Also check the pressure switch to make sure it closes contacts to make the circuit when the unit is pressurized If switch is not functional the head will not operate. Also check gas solenoid or solenoids to make sure they do not have burned out coils as well. An Ohmmeter should show about 2000 ohms give or take some. The main contactor winding also. It may be the main contactor needs replacement- a loose power connection can lead to burned contacts. So if you hear the machine click when you press the trigger, but no power to head, and all the other items mentioned still leaves you with no power at the head, that main contactor is the likely culprit.

If IGBT's had failed- they would blow apart part of their plastic case.So a quick visual is usually adequate for those.

RTO Welding... | Answered on Sep 27, 2012


A micro welding torch should be a smaller version of a full size welding torch - identical apart from size. It is most important a user thoroughly familiarises himself or herself with the correct usage and safety precautions because failure to observe the correct procedure can result in extreme danger. A flashback can have potentially serious consequences...

A person who is thoroughly conversant with the procedure and safety will know how to connect the hoses to the welding torch and to the cylinders - if it is a quality unit, it is an intuitive process due to the fuel gas fittings being left hand thread and the oxygen normal or right hand thread and the hoses are or should be different colours with blue being the norm for oxygen and red or orange for the fuel gas.

One final word - never, ever, under any circumstances use a lubricant on the threads of the oxygen bottle or associated fittings...

Welding Tools | Answered on Dec 26, 2020

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