Hobart 410 Adjustment Arm Removal

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Original poster
Apr 27, 2024
Hi All. I just purchased a Hobart 410 that’s in pretty good shape but needs some love. I’m trying to remove the adjustment arm to clean up and lube everything underneath, but I can’t get the arm removed. I have taken all of the screws out and the castle nut off. I’m thinking it would normally just slide off at this point, but maybe it’s just frozen. Does anyone know if there’s a trick to it? Or if I need to hit it with some lubricant or PB Blaster and work it loose?

Thanks in advance for any advice.


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