To cause the motor to run continuously, the transistor which is in series with it will be short-circuit from emitter to collector, or incorrectly constantly turned on by a signal on the base. I'm seeing pretty bad reviews on the net. You would need to trace the motor wiring to confirm this. 1 OK, I'm a steam person and not a welder, but I need to ask: What is a used Snap-On YA212A Industrial Welding Machine with MIG, TIG & Alum worth The man wants to trade it for my husband's '77 Transtar II International semi tractor. This second component will get switched on when the motor is not under power, to short it and bring it to a rapid halt, preventing run-on of the MIG wire spool. It is possible that one transistor is in series with the motor to control the speed, and the other is across the motor terminals ( i.e. Buy MIG Welders Parts and Consumables from Snap-on Store. Free expert DIY tips, support, troubleshooting help & repair advice for all Snap-On Welding Tool products. 70: 16D 15Hrs 52Min 43Sec : Snap On Cebora 130 Turbo Mig Welder. Recent Snap-On Welding Tool questions, problems & answers. Either of these two devices could easily run a typical wirefeed motor, at 24 or 48 volts and 2 or 3 Amps. Ashley Smithon Snap On Mig Welder 130 Turbo Manual ((NEW)) £450 View online or download Snap-on YA212A Service Manual YA212 15TG10. The MJ15015 specs are: 120 volts, 15 Amps, and 180 Watts. The MJ900 is rated at 80 volts, 8 Amps, and 90 Watts.

The normal digital meter test procedure may not show the typical results on a Darlington Pair. I'd never go to my LWS to buy a tool box either.

NO WAY I want to depend on Snap-on to support anything but hand tools in my area. That is a pair of transistors in one case, with the amplified current of one feeding into the base of the other, so they switch easily and quickly. 32 08-10-2011, 03:14 PM Originally posted by 1930case View Post Snap-on service varies dramatically by the local franchisee driving the truck. The MJ900 is the equivalent of the NTE244, and it is a PNP Darlington Pair. The two power transistors that you found in your welder explain why I discovered data about two alternative components - there are in fact two different ones used in the machine.

Snap on welder ya212a parts