Farm Equipment - AC B Fan sheavs

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AC B Fan sheavs

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=138281
Printed Date: 13 Sep 2025 at 5:14pm
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Topic: AC B Fan sheavs

Posted By: Ted in NE-OH
Subject: AC B Fan sheavs
Date Posted: 10 May 2017 at 8:31pm

Anyone know a way to loosen up the sheave adjustment on the fan on the AC B. After 75 years things don't want to move. I am out of fan belt adjustment with the generator.

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CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914

Replies:

Posted By: Dick L
Date Posted: 10 May 2017 at 8:36pm

On most it take removing the pulley and sing heat on the outside as you tap the center out. After the two bolts are removed. Wire wheel and sand it to get it to slide together.

Posted By: CTuckerNWIL
Date Posted: 10 May 2017 at 8:36pm

Get a shorter belt. I have 3 of those fan pulleys here. I had the best lookin one in the electrolysis tank for a couple days, soaked it in PB blaster, tapped on it with the wood hammer handle and gave up on it.

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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF