Planer problems

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Forum topic by ErnieS posted 09-23-2017 01:58 AM 722 views 0 times favorited 3 replies Add to Favorites Watch
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2 posts in 1024 days

09-23-2017 01:58 AM

6 months ago, I was demoing a glass block wall and it collapsed on me crushing my knee. After 3 months in a wheelchair and another couple on crutches or a cane, I finally am up to getting out in the shop.
I fired up the Ridgid 4300 13” planer and the head would move down just fine, but it would not go up. I got rust on the 4 vertical guide rods. A healthy dose of penetrating oil, a good deal of pressure applied to the height adjustment and a few hammer blows on the bushings and I have it going again.
So, I’m planing some white oak for table slides and I send a stick through and it’s stuck under the casting on the out feed side. The cut is good and the oak isn’t marked up, so I finish up, having to raise the head each pass to get my lumber out.
Today, I try to diagnose the problem and find the casting to bed clearance is 1/8 greater on the in feed side. Out feed roller is about 3/32 lower than the in feed. So… must have bent the guide rods?
I loosened each one and rotated it in the bushings. It sure doesn’t act like bent rods.

Does anyone have any idea what is going on here? This is not a left to right issue, so the sprocket/chain adjustment is not the problem.

3 replies so far

View Kelly's profile


3021 posts in 3722 days

#1 posted 09-26-2017 12:48 AM

Sorry, no. Don’t have that kind of problems here.

That aside, is it possible to emery off the light rust and flood the rod, then test the raise and lower results?

What is the bushing? If rust is trapped in it…. Maybe it needs flushing more.

View MrUnix's profile


8097 posts in 2977 days

#2 posted 09-26-2017 01:59 AM

Isn’t that one of those planers that uses a chain around the legs to turn sprockets? If so, it sounds like you may have jumped a tooth on one or more of the sprockets. Somewhere I remember reading about how to take the chain off, level the head and re-install, but don’t remember where… I’m sure you can find it with a quick google.


-- Brad in FL - In Dog I trust... everything else is questionable

View ErnieS's profile


2 posts in 1024 days

#3 posted 09-27-2017 01:46 AM

The 4 columns the head rides up and down on seem to be out of square with the bed of the machine. I didn’t think I put that much torque on the lifting screws that it would bend the base casting, but I guess I did. I will pull the columns two at a time tomorrow and attempt to dress the mounting pads square with a file before ordering a $180 casting. I’ll report back.

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