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Fred K
Fred K's picture
Problems with my LM 29

Hi all,

New to milling, I got my LM 29 in the summer of 2017, been having a blast with it.

But recently I have run into a couple problems with it, hopefully someone can help.

First, the brake for the blade stopped working and the blade keeps rotating at idle, I have tried to losen the belt tensioner, but it still rotates?

Any thoughts?

Second, the sawhead has started to drop, just started today and all of a sudden. I've tried to crank down the the tensioning knob, but still comes down, it's gotten quite hard

to crank up and just a touch and it starts to come down.

Any advice would be appreciated.

Thanks from a newbie.

 

r.garrison1
r.garrison1's picture

I have an LM29, and I had a problem with the head starting to move a bit. I sprayed a little WD-40 in the spaces under the knob, turned it about three or 8 turns each way, and then adjusted the tension. It's stayed good since then.

If this doesn't work, check and make certain none of the cables are in a bind on the rollers.

For the clutch, it sounds like the clutch is either corroded, or getting too much gunk in it. I would hit it with an air hose, then some cleaner, and maybe a little spray of WD-40 or something.

Bill
Bill's picture

Break- clean may work for your clutch you don't want it slipping but air is good mines been working for 15 years or more blown out with air every time I finish sawing.

Fred K
Fred K's picture

Thanks guys,

I will try your suggestions on the next day that's not pouring rain, 

Newbie on the wet coast:)

r.garrison1
r.garrison1's picture

What part of the Wet Coast? I'm in the Portland area during the wet season, the Wallowas when the weather's better.

Fred K
Fred K's picture

I'm on the south coast of B.C, south Langley 14 blocks north of the Washington border.

You being on the wet coast, does the rain do any harm to the mill if your milling in the rain?

The sawmill shed will be in the works when it dries up and warms up.

But we have had some mild but wet weather and I'd like to be milling, just not sure if the wet would do any harm.

r.garrison1
r.garrison1's picture

Naw, I used to cover it a bit more than I do now. If I'm only leaving it for a couple days, I don't worry about it. One thing I should worry about more is rust on the exposed part of the blade. I keep meaning to get some spray oil and coat it when I leave it for the evening. Probably shortening the life of my blades by letting them get a little rust.

Fred K
Fred K's picture

Thanks for your advice guys,

Got the saw head dropping figured out, guess I let it down to far then wound it back up counter clock wise, wouldn't hold, brought it back down and re-wound the 

cables clock wise, that fixed it.

The clutch and blade moving at idle, took the clutch off, took it apart cleaned it very well, wasn't really that dirty, reinstalled but same thing, loosened the idler

pulley quite a bit to the point that there is around 2" play in belt when not running, but blade keeps moving at idle. 

Any other idea's, could the clutch be faulty? Mill was bought new summer 2017.

Bill
Bill's picture

You want the belt tight Fred I think you should only have to 1/4"  deflection when you push it down between the clutch and drive wheel or where ever it says in the instructions. Is the belt running in the center of the pulley or off to one side a bit ? The disc's in the clutch must be able to be pulled back by the springs and not sticking. I spent a long time twice now getting the belt to run center of the clutch and drive wheel adjusting the idler I found that when adjusting turning by hand I had to have the belt running a bit toward the motor so that when running full throttle it centered it's self on the idler . Until I got it centered I was wearing drive belts on 1 side. Then there is the chance you have a faulty clutch.

Fred K
Fred K's picture

Hi Bill,

I'll try tomorrow to tighten it up, I figured lose would let it slip, otherwise all the alignment looks pretty good.

, I'll double check though, the belt no signs of abnormal wear, but I'll have a closer look at it.

Thanks,

Fred

r.garrison1
r.garrison1's picture

Of course, it could be possible the clutch is faulty. Not sure the best way to test it.

Fred K
Fred K's picture

Problem solved, would never have thought the belt should be that tight, working they way it should now.

Thanks Bill and all else that offered advice.

Muchly appreciated..