Bosch router plunge base problem

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Forum topic by ppg677 posted 06-03-2019 12:58 AM 467 views 0 times favorited 3 replies Add to Favorites Watch
View ppg677's profile


225 posts in 1739 days

06-03-2019 12:58 AM

Anyone else had problems with the Bosch plunge base? Mine is 5 years old and saw light use. It had a ton of wobble/play. I removed the plastic handle which has plastic teeth to catch in the bolt shown. The teeth show wear. I believe that bolt is supposed to clamp onto the brass sleave shown which appears damaged. I have no idea if it can be further disassembled or replaced.

A replacement plunge base unit is around $110. Since I have several accessories and run this router motor in a table as well…tempting to just buy another combo kit.
But not impressed with Bosch quality.

3 replies so far

View CaptainKlutz's profile


3722 posts in 2377 days

#1 posted 06-03-2019 11:33 AM

Own several of the Bosch 1617, had to replace power switches on them, but never seen this issue?
According to the parts diagram,
that brass is part of a one piece Motor Carrier Assembly?

Appears it might be part of a brass/bronze bushing, probably pressed into the motor carrier. Is part of the bushing broken off in up inside carrier assembly, or has it just come lose?

New motor carrier assembly can be bought for $42, which is cheaper than new base if rest of parts are not excessively worn?

PS – Ace Tools has $20 off $100 deal on Bosch tools, new base is only $83:

Best Luck!

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

View ppg677's profile


225 posts in 1739 days

#2 posted 06-03-2019 03:14 PM

Thanks for that. Very helpful. There seems to be no obvious way to disassemble the motor carrier assembly.

I am invested into the Bosch system because I have a Woodpeckers router plate for it, the edge guide, and 2 fixed bases. One fixed base permanently attached to the router plate (though the height adjustment hex nut is starting to strip out on one of the fixed bases).

That said, I’m not at all impressed with the quality of the Bosch plunge and fixed bases. Problems emerging with both!

Tempted to cut my losses and find a different plunge router to purchase (using my last remaining fixed base to keep my router table going).

View Kirk650's profile


680 posts in 1631 days

#3 posted 06-03-2019 04:26 PM

Never had a problem with plunge bases on my two 1617’s. Did have one of them that the power switch had to be replaced.

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