Do I need to replace the bearings in my desktop???????

[Bud Meade]

If I grasp the end of one of the screws near the bearing, I can wiggle it. I thought it should not have any movement other than rotation.

Is this a sign that I need to replace my bearings?

If not, what would indicate that bearing replacement is called for?

Thanks for your advice

[Bud Meade]

I should clarify. I'm not talking about the bolts that hold the bearing in place. I'm referring to the threaded rod that moves the spindle side to side.

[scottp55]

Bud,
IF you're talking about the fitting on the left side of the X screw on a standard Desktop....
NOT to worry...it's designed to have a little play(I forget the reason Brady told me once:(
It's the linear rails, and those 4 bearing blocks on the Z carriage that give the rigidity and accuracy, NOT the left side screw anchor fitting.
Breathe a sigh of relief now :)
(I know I did years ago:)
scott

[Bud Meade]

Thanks Scott, that makes me feel much better.

As always, I appreciate you taking the time to share your knowledge.

[scottp55]

No problem Bud...I had the same question a long time ago:)
Do seem to remember Brady mentioning putting Small amount of oil inside the about every 40 hour(?) or so.
So I just use my wheelchair pin point oil there, at the same time I put 3-1 on the rails and drive back and forth to keep the felt wipers on the bearing blocks moist.