Farm Equipment - 185 rpm's fluxuate

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185 rpm's fluxuate

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=54908
Printed Date: 10 Sep 2025 at 12:42pm
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Topic: 185 rpm's fluxuate

Posted By: Gary(VA)
Subject: 185 rpm's fluxuate
Date Posted: 07 Aug 2012 at 6:25pm

I have a 185 that when running between about 1000 and 1800 rpm's they will fluxuate 100-200 rpm's when not moving. Now it seems like it is starting to do it while operating and when pulling logs this weekend seemed to lose power. All new filters and injectors have been rebuilt about 100 hours ago. Does anyone thing i should have the injection pump looked at or have any other ideas.

Thanks,

Gary

Replies:

Posted By: DrAllis
Date Posted: 07 Aug 2012 at 6:37pm

First, remove the sediment bowl and throw away the screen. Then, while the bowl is off, turn on the petcock all the way.....there should be TWO STREAMS of fuel gushing out of the center of the base. If this is so, you probably need an injection pump OH. If the fuel just drizzles down to the ground without two definite streams, the inlet to the base is plugged and needs to be removed to clean.