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Author Topic: Changing drive belt on Wood Mizer LT28G19  (Read 172 times)

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Offline MartyParsons

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Changing drive belt on Wood Mizer LT28G19
« on: November 06, 2018, 07:57:52 AM »
Hello,
  I have some pictures from a service. This would cover LT35HD LT35 LT28 and LT15 and LT15 Wide.



 
This is where we start. You will want to check the bearing on the belt idler. Remove the 3/8 nut where the spring is located and remove the spring. Then remove the bolt that goes through the shaft. I have seen a few of these 3/8" bolts be bent or broken.



 

We do not want to stop here. At this point you can remove the drive belt once you remove the wood block.



 

 On the other side there are many moving parts. These will need some attention. Lubricate all bushings with ATF or grease.



 

Once you remove the shaft you will find bushings in the head. These can be replaced. There is no grease fittings to keep these lubed, I would assume because there can be no grease on the drive belt. This bushing needs to be serviced ( greased) every belt change or more.



 

This is what you may find.



 

I cleaned with a wire wheel and some emery cloth. You can see the pressure area toward the belt end of the shaft.



 



 

While we are here check the pivot point of the clutch handle. You can see the bushing is worn.



 


New bushing on the left.



 

There is also a stop bolt to keep the shaft from going over center. This one was broken.



 

New one installed and adjusted.



 



 

The idler bearing was noisy so it was replaced. you may need to change the spacer washers. This one I removed one to get the belt at the proper alignment in the center of the pulley.



 

There is a belt keeper pin. Most of these we see away from the belt like in this picture.



 

This is the way it should be set.



 
This LT28 also had the power feed option. It seemed slow. You can see the magnets are loose sticking to the armature. New motor.

I hope this helps.
Marty
A pessimist sees difficulty in every opportunity; an optimist sees opportunity in every difficulty. -Winston Churchill

Offline Southside logger

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Re: Changing drive belt on Wood Mizer LT28G19
« Reply #1 on: November 06, 2018, 08:04:44 AM »
Thanks Marty, couple things there I never knew to check. On the bushings I have gone to using 3 in 1 oil, it seems to last longer than other oils. 
Franklin buncher and skidder
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Woodmizer LT35 sawmill, KD250 kiln, BMS 250 sharpener and setter
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