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Re: (ET) Drive chain - how tight?

How tight did you have it? It's not a belt, so the tightness isn't needed to prevent slip, but it shouldn't be loose enough to rattle around. My personal thought is at rest it should not be putting tension/pressure on the bearings.
Is it possible the pillow bearing just wore out? The chain will produce thrust against the bearings during normal operation, when was it last replaced? 

C

On 9/10/2022 2:14 AM, David Roden wrote:

The drive chain on my New Idea R36 riding mower has been slapping the slot
in the chassis of late.  Thought I, "can it really have stretched that
much?  Did I not snug down the pillow block bolts enough?

Nope and nope.

http://drmm.net/ev/images/oval.jpg

Yikes!  Wha hoppen???

Yes, I've been greasing it every season.  Just did so in March.

FIRST question: Have I been running the chain too tight?

BETTER question: How tight should the chain be?

The ER8-36 service manual explains how to adjust the chain tension, but his
silent on HOW MUCH tension.

Any thoughts?

Please respond on the list (reply all) because this email sending address
receiveth not.

Much appreciated!


David Roden - Akron, Ohio, USA

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