f2 cylinder clearance
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=130623
Printed Date: 29 May 2025 at 4:35pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: f2 cylinder clearance
Posted By: JFREED
Subject: f2 cylinder clearance
Date Posted: 29 Oct 2016 at 9:46pm
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We have 2 concaves in our machine,one on the door and one in the #3 spot. Setting up for beans I used a 3/8 in bar stock between cylinder and #3 concave. After the door was closed and seperator was started,cylinder hit hard on door concave. What is the proper way to set clearance with #2 concave omitted?
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Replies:
Posted By: tbran
Date Posted: 29 Oct 2016 at 10:22pm
hmmm you have a problem... the clearance between the cylinder bars and ALL the concaves are supposed to be the same...
the door concave should be the same as the third..
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: SteveM C/IL
Date Posted: 29 Oct 2016 at 10:56pm
agree with Tim....Double check your work.Look to see door isn't caved in raising bar....something is out of whack somewhere
I always check the most fwd concave on the rear door,no matter which position it's in...it's easiest.
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Posted By: MACK
Date Posted: 30 Oct 2016 at 6:59am
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Are you sure the rear swing down door is bolted up tight? Remove cylinder belt, turn cylinder and look for a cylinder bar that is higher than others or loose. MACK
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Posted By: JFREED
Date Posted: 30 Oct 2016 at 7:22am
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Mac might be on to something. Last time we had it down it was a bear to get closed. Thanx
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Posted By: DrAllis
Date Posted: 30 Oct 2016 at 9:43am
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Back in the day, I used to lay an 1/8" thick strap under the #5 concave to create a wedge effect like the L and M series had. Remove the cylinder belt and lower the cylinder while spinning it until it would start to tick both sides, and then zero the gauges.
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Posted By: Dmpaul89
Date Posted: 30 Oct 2016 at 3:22pm
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Remove the header so you can see the door concave while its closed
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Posted By: JFREED
Date Posted: 30 Oct 2016 at 7:38pm
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Dmpaul, i am trying to visualize if it`s possible to see under/around feeder beater to see that concave
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Posted By: Dmpaul89
Date Posted: 30 Oct 2016 at 7:57pm
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When I last leveled my F cylinder I had the head off anyway switching heads and I used the door concave to check my clearance. you get a little view under the beater and enough room to get a hand in to measure. the F2 id imagine
should be the same
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Posted By: JFREED
Date Posted: 30 Oct 2016 at 8:18pm
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Thank for the advice Dm. Have 18 acres of beans to run if it ever dries out. Then bean head comes off for storage. Will definitly take a peek then
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