Following up (Shorter than the last one, anyway!)

Posted by ScottyHOMEy on October 08, 2007 at 19:27:32 from (71.241.214.74):

In Reply to: switching from thermo-siphon system to water pump posted by dennis repaal on October 08, 2007 at 10:23:42:

The others that have chimed in on this all have good advice to offer.

F-Dean points out my mistake in assuming (always a dangerous thing -- mea culpa) what kind of tractor we're talking about. My listing of parts changes applies only if you have an A, B, BN, or an early C. If older than an A, please disregard and we'll hope somebody with knowledge of the older tractors will chime in.

JimN is spot on about the weaknesses that can be revealed when putting pneumatic pressure on a radiator that isn't designed to hold it, and if you do decide to go ahead, I'd recommend adding a pressure rated radiator to the parts list.

Chadd is also spot on, and his further explanation of the thermosiphon is a good one, worth saving if you're into that. What jumps out there for me is his emphasis on the need for the system being clean to work properly. Is your system actually overheating or are you just thinking you want it to run cooler? It makes a difference. And his final point about running too cool is worth noting. You can sieze an engine running too hot, but it will die an early death running too cool, as well, just not as dramatic.

To Ron's point, I think Hugh and I agree that these 113s (assuming again that's what we're talking about) were built with more than adequate radiator to handle a hot load for some time. On my BN, I judge how hot she's running by how high I can put my hand on the radiator before it's uncomfortable, and that has always been above 1/3 up from the bottom, which says that the combination of tube volume and fin surface and flow are sufficient for the original sytem to do its job under all but abusive conditions.

Hugh may have misunderstood some part of my argument, because I agree with him in thinking that a pump and thermostat are not necessary.

If, after all this advice and any other you've gotten, you want to go ahead with it, I'll be glad help where I can. If you want to stay with what you've got but perhaps flush the system to try to clean it out and see if you can get your thermosiphon to work better, I'll speak up with the other folks that have ideas about the best way to do that without a complete teardown.

Let us know. We're all pullin' for ya, but we're all gropin' just a little bit, too.

Replies:

• Re: Following up (Shorter than the last one, anyway!) Hugh MacKay 03:20:58 10/09/07 (0)

Add a Reply Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: Optional Video Title: Optional Video URL: Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.

TRACTOR PARTS	TRACTOR MANUALS

We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]