need 616/620/720 front clutch help/parts
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=103544
Printed Date: 30 Oct 2025 at 8:25pm
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Topic: need 616/620/720 front clutch help/parts
Posted By: coggonobrien
Subject: need 616/620/720 front clutch help/parts
Date Posted: 21 Mar 2015 at 8:34am
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trying to throw the front clutch on my 616 with a cckb. the clutch I have was thrown in not installed on an engine when I bough the tractor but looks correct. for some reason it is in 2 pieces and I do not see how to hook them together. also according to the exploded diagram I attached it looks like I am missing parts 46 and 47 and the supporting hardware. do I need them? Thanks David http://s161.photobucket.com/user/coggonobrien/media/616/20150320_172137_zpsdsbp0rzt.jpg.html" rel="nofollow">  http://s161.photobucket.com/user/coggonobrien/media/616/20150320_172118_zpsuwy3kfz6.jpg.html" rel="nofollow">  http://s161.photobucket.com/user/coggonobrien/media/616/20150320_172106_zpsmtac2hwx.jpg.html" rel="nofollow">  http://s161.photobucket.com/user/coggonobrien/media/616/20150320_172347_zpsyd1nq9w7.jpg.html" rel="nofollow"> 
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Replies:
Posted By: HudCo
Date Posted: 21 Mar 2015 at 8:57am
| the magnet with the four bolt holes bolts on the engine block first that was the last thing that i put on our 616 yesterday before we took it for its first drive in 15years |
Posted By: coggonobrien
Date Posted: 22 Mar 2015 at 9:15am
| Could you post a picture I'm not following you |
Posted By: HudCo
Date Posted: 22 Mar 2015 at 10:38am
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i know you used a diff. spec.# engine , is the end of the crank the same ? is there four screw holes around the crank on the main brg. cover they are about 10-32 or 12-32 size ? if every thing is good above then the part in your picture with the wires and magnet should mount to the engine block, the little tangs on the id off the mag. sould piolet in the brg. cover. clean and tap the holes. if the main brg. cover dosnt have holes it would be best to remove it to drill it on the drill press with a depth stop, and hand tap the holes must be clocked such that you do not drill in the oil gallery allso mesure that gskt that sets your thrust clearance |
Posted By: coggonobrien
Date Posted: 22 Mar 2015 at 10:45am
| Neither my cckb good motor or the original ccka has bolt holes |
Posted By: HudCo
Date Posted: 22 Mar 2015 at 1:36pm
| i cant do pictures can you show a picture of the pto end of your cckb and a [crankshaft brg. housings] ? |
Posted By: coggonobrien
Date Posted: 22 Mar 2015 at 2:41pm
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nevermind you were right they are just really small screws on my old engine guess I'm swapping another Part over http://s161.photobucket.com/user/coggonobrien/media/616/20150322_143345_zpsuaulpisf.jpg.html" rel="nofollow"> 
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Posted By: coggonobrien
Date Posted: 22 Mar 2015 at 2:41pm
| thanks for the help |
Posted By: HudCo
Date Posted: 22 Mar 2015 at 6:18pm
| measure the gasket thickness that sets your crankshaft end play should end the same but the piece may be machined alittle diff so check |