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Mortiser Getting Stuck

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Forum topic by Adam Baird posted 01-22-2016 05:56 AM 433 views 0 times favorited 6 replies Add to Favorites Watch
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Adam Baird

62 posts in 1580 days


01-22-2016 05:56 AM

I picked up a Wood River bench top mortiser on Craigslist last week. Its been great so far, but I was cutting mortises tonight and, all of the sudden, the mortiser will not descend regardless of how much downward force I apply.

Even if I remove the workpiece entirely, I get a grinding noise and I can barely get the bit to move down at all. I can get it to go up without any trouble though. I’ve tried playing with the tightness of the runners that the mortiser moves vertically on and that doesn’t seem to have any affect. I’d prefer not to take this thing all the way apart, but can’t figure out what the issue is without doing that.

Anyone have similar experiences?

-- Adam from Indiana - http://www.WoodenUnion.com


6 replies so far

View conifur's profile

conifur

955 posts in 613 days


#1 posted 01-22-2016 06:34 AM

There is a stop rod, to set for depth, is that in the way, pics would help

-- Knowledge and experience equals Wisdom, Michael Frankowski

View Adam Baird's profile

Adam Baird

62 posts in 1580 days


#2 posted 01-22-2016 06:57 AM

The stop rod is removed completely at this point. That was one of my first thoughts as well, but is not what is causing the issue.

Its hard to give you a picture of what’s happening. Everything appears correct, but when the bit gets even with the hold down (approximately 4” above the cast iron table) it starts grinding heavily and then stops completely after moving another 1/2” or so. Any ideas?

-- Adam from Indiana - http://www.WoodenUnion.com

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conifur

955 posts in 613 days


#3 posted 01-22-2016 07:41 AM

Stumped, is the bit chucked tight? No idea at this point, I have a Delta, they are all basically the same.

-- Knowledge and experience equals Wisdom, Michael Frankowski

View rwe2156's profile

rwe2156

2190 posts in 942 days


#4 posted 01-22-2016 11:58 AM

Call Woodcraft they are usually pretty good with customer service.

I’m stumped. Have you checked the rack and pinion and travel ways maybe something is lodged in there?

-- Everything is a prototype thats why its one of a kind!!

View Tennessee's profile

Tennessee

2410 posts in 1976 days


#5 posted 01-22-2016 12:08 PM

Just looking at online reviews, there have been some complaints about hub teeth breaking off and jamming the rack and pinion, and issues on the brass shims being too tight, knocking it offset so it jams.

Since it gets jammed at one point, but will lift off of that, I’d be looking for something jamming inside, or possibly a broken tooth on the rack or hub.

-- Paul, Tennessee, http://www.tsunamiguitars.com

View Adam Baird's profile

Adam Baird

62 posts in 1580 days


#6 posted 01-22-2016 01:28 PM

Thanks all. I’m guessing its something jammed in the rack and pinion, but was hoping to avoid disassembly today. I suppose it could be worse.

-- Adam from Indiana - http://www.WoodenUnion.com

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