tac and hour meter ?
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=107612
Printed Date: 22 May 2025 at 5:04am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: tac and hour meter ?
Posted By: Daehler
Subject: tac and hour meter ?
Date Posted: 14 Jun 2015 at 10:50pm
Working on tracing problem on why my tac and hour meter isn't working on a 8000 series. They have kicked on separately from each other in the pass but dont know much for a starting point.
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8070FWA,7080 BlackBelly, 7045,2 200s,D19,D17,G, WD,45,UC,7 AC mowers and lots more!
"IT TAKES 3 JD's TO OUT DO AN ALLIS, 2 TO MATCH IT IN THE FIELD AND 1 FOR PARTS!"
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Replies:
Posted By: Leon B MO
Date Posted: 15 Jun 2015 at 5:54am
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Check the flywheel sensor, on ours the sensor backed out of the mounting base. It works now. Leon B
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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Posted By: jaybmiller
Date Posted: 15 Jun 2015 at 6:03am
bad grounds ? could be vibration over the years has broken the wires( won't look bad).
just things I've seen before....sigh
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Posted By: Daehler
Date Posted: 15 Jun 2015 at 9:44pm
Were would the all the grounds be checked? Checked the sender on flywheel and a wire was broken did a do it your self fix and nothing from it. It looks like it rubbed at one point.
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8070FWA,7080 BlackBelly, 7045,2 200s,D19,D17,G, WD,45,UC,7 AC mowers and lots more!
"IT TAKES 3 JD's TO OUT DO AN ALLIS, 2 TO MATCH IT IN THE FIELD AND 1 FOR PARTS!"
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Posted By: Daehler
Date Posted: 27 Mar 2016 at 3:19pm
Bump. Still haven't found problem. There is power that comes up to the meter but nothing is coming off the other two brown wires that go to the sensors. Have no juice at the flywheel sensor. Is it in the meter itself?
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8070FWA,7080 BlackBelly, 7045,2 200s,D19,D17,G, WD,45,UC,7 AC mowers and lots more!
"IT TAKES 3 JD's TO OUT DO AN ALLIS, 2 TO MATCH IT IN THE FIELD AND 1 FOR PARTS!"
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Posted By: Lynn Marshall
Date Posted: 27 Mar 2016 at 7:26pm
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There's no voltage (juice) going to the sensor. The sensor creates a magnetic impulse signal to the meter as the flywheel passes by it. The sensor has a specific ohms reading if checked with an ohm meter. I don't presently know that amount. You could check the ohms reading against a new or good used one if available.
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Posted By: Daehler
Date Posted: 29 May 2016 at 11:40am
Still working on getting this tach going. Bought a new sensor and still nothing. Going to check with ohms meter at sensor but could the tach and hour meter just be bad? Or is the flywheel supposed to be in a certain spot.
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8070FWA,7080 BlackBelly, 7045,2 200s,D19,D17,G, WD,45,UC,7 AC mowers and lots more!
"IT TAKES 3 JD's TO OUT DO AN ALLIS, 2 TO MATCH IT IN THE FIELD AND 1 FOR PARTS!"
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Posted By: Dustyn mccloud
Date Posted: 11 Nov 2016 at 6:28pm
D17 allis chalmers series 3 with loader mid conditio gas what u guys think on price wants 4000
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