issue with Porter Cable 892 router and the 8901 Fixed base

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Forum topic by trsnider posted 07-27-2018 08:22 PM 560 views 0 times favorited 3 replies Add to Favorites Watch
View trsnider's profile


169 posts in 2619 days

07-27-2018 08:22 PM

I was excited when I got a 2nd router, PC 892 and a 8901 fixed based to permanently attach to my tablesaw insert, no more removing the router and it’s base to use it vertically. I’m disappointed because when I adjust the router height and lock it the router slips down after a short while which causes pieces to get bungled up. Each time before the height is adjusted I check to see that dust isn’t in the pinon, gear… that would cause something like this to happen. Would having dust go down into the housing while using it be a cause? I’m using vacuum so the majority of chips are getting collected.

Are the adjustments to the housing that would stop the slippage?
Has anyone else had this problem?

3 replies so far

View Andybb's profile


2392 posts in 1213 days

#1 posted 07-27-2018 09:08 PM

Shouldn’t slip if it is locked tightly. If you are going to keep it in the table then you might look at options for an inexpensive lift.

-- Andy - Seattle USA

View JAAune's profile


1872 posts in 2926 days

#2 posted 07-28-2018 12:53 AM

If it’s the same base I’m used to, there is a lock nut on the cam lever that locks the base to the motor. That may need adjustment.

Also, be sure to adjust the router upward to the proper setting. If you need to lower it, drop it down below the needed height then bring it back up. There is always backlash in the adjustment mechanism of handheld routers.

-- See my work at and

View trsnider's profile


169 posts in 2619 days

#3 posted 07-29-2018 03:41 PM

yeah – I tried tightening the screw for the cam. It seems to have been set correctly. I’ll be sure and move up to the correct height instead of down. Seems like I’ve lost all confidence in that router & base. Maybe I’ll get a different one. Any suggestions for a router & base to be mounted in a table? I don’t need a real big one, unless that’s the way to go.

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