Farm Equipment - 6690 heater

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6690 heater

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=41950
Printed Date: 15 Nov 2024 at 7:14pm
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Topic: 6690 heater

Posted By: wheatbreeder
Subject: 6690 heater
Date Posted: 11 Dec 2011 at 11:33am

Now that the cold weather is here the heater on our 6690 is not working it is a electric heater run off a separate alternator, the the heat works intermittently perhaps a lose connection just wondering if anyone hear has experience with this problem

Morley

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Farm stuff 8050,6690,175,F2,5050,WD

Replies:

Posted By: Ryan Renko
Date Posted: 11 Dec 2011 at 7:13pm

Ours works great (knock on wood)!!! If it works intermittently maybe it could be a loose connection. I've got a shop manual that shows the wiring diagrams.

Posted By: MACK
Date Posted: 11 Dec 2011 at 10:01pm

The electric heater has always been a problem on those tractors. Heater core goes bad, circet board goes bad, + they are a bi--- to work on. MACK