Originally Posted by
ArchaicArcane
Don't forget to oil the slide pins for the throat plate too. I had a "Stuck" 401A recently that had that as the final outstanding problem. Seized in solid. We literally ended up pounding it out. (I suppose a more patient person might have waited a few more days, but it really didn't seem like it was going to go without a little abuse.)
You just wait a couple days for the Tri-Flow will work - if it doesn't work hit it again with the oil.