Millermatic 130, need some help. Beyond the jump off cliff threshold

[xcursion88]

Kevin as per our conversation today, ( I assume that was you I spoke with on the phone) this is now fixed. The fuse was the problem here.
Thanks for the help....

[xcursion88]

No I had not done that, but when I pull the trigger now, I can hear the machine click...i can see the relay inside open its contact..or close I forget which, just like it always sounded when it ran...but no motor turning.

Please explain what you mean about the paper clip jumping thing....

[xcursion88]

Pulling hair out here.
Through the help of the miller tech guys on the phone...
we tried to figure out why the motor would only work at 80 wire speed and above...
so through some testing we thought it was the relay. Put in the new one. NO. Did not resolve it.
Then we suspected...

[xcursion88]

Bump...
Nobody know of any source for a rebuilt motor? Come on. Or a source for a new motor that isn't nirth of $200.

[xcursion88]

After many tests that seemed to fail, and a few replacement parts that did not cure the ailment, I need a motor.
The problem was the motor would not operate unless the dial was 80 or above on the rheostat on tap 1. Tap 4 I could get it as low 70 but then it would stop. The folks at Miller tech...

[xcursion88]

update where I am at now

I checked the ohms on the wire speed dial(rheostat) and it is consistent with no drop off or cut out. 0-16 ohms,,so that looks good.

I then checked the voltage at the motor. here lies a problem

when I set it on Tap 1 with minimum wire...

[xcursion88]

Hello everyone and nice forumI just picked up a Millermatic 130 but one of the concerns I have is the feeding dial while using flux core will only feed wire if it is set at 75-80 and up. Any lower setting and it will not feed. It does click but it will not push the wire up the liner. Turn it up to 75-80...