Construction and other equipment

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h3

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=201285
Printed Date: 26 Nov 2024 at 10:57pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: h3

Posted By: lost in h3
Subject: h3
Date Posted: 10 May 2024 at 11:12pm

well folks got the h3 running without back firing, missing, governor surging etc.etc.

now the problem is no rpm's. it runs smooth and idles great but i just can't get greater than about 1700 tops. no binding on leakage and carburetor is good. i have the governor

i think correctly but just not getting the rpm's it needs at high idle or under load.

thank you

Replies:

Posted By: TramwayGuy
Date Posted: 11 May 2024 at 9:40am

Rated RPM was 1650. Nebraska test showed maximum RPM of 1806. You’re not far off. Perhaps you need a stronger spring on the governor.

Posted By: steve(ill)
Date Posted: 11 May 2024 at 10:28pm

grab the governor rod by the spring and try to move it further open.. see if the carburetor rod / arm is fully stroked.... like mentioned, this may be normal.

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Like them all, but love the "B"s.