Construction and other equipment - HD5 throwout bearing

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HD5 throwout bearing

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=114047
Printed Date: 19 Jul 2025 at 5:39pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD5 throwout bearing

Posted By: serioussam
Subject: HD5 throwout bearing
Date Posted: 31 Oct 2015 at 9:01pm

I want to put a grease line to the throwout bearing ,can I pull the trunnion pins to move
The yoke so I can put the line on or is it a little more complicated than that thanks

Replies:

Posted By: Dozer
Date Posted: 01 Nov 2015 at 6:39am

Look thru the access panel on the clutch housing. Depending on what clutch you have there should be a greese fitting or the remnants of the external lubrication hose. The throughout bearing should be a sealed bearing but the clutch yoke does require lubrication. You should be able to remove the fitting on the yoke and install the lubrication hose. The fitting should be 1/8 NPT. 1/8 hydraulic hose may be to rigid.

Posted By: serioussam
Date Posted: 01 Nov 2015 at 9:31am

I was able to get the line off by removing the pin on the steering arm and I could move the yoke to the side. In the parts book it shows it is a 1/4" NPT .How many shots of grease should I give each bearing daily/ weekly .thanks

Posted By: Dozer
Date Posted: 01 Nov 2015 at 10:38am

If my memory is correct the fittings on the master clutch yoke are 1/8NPT The fittings on the steering clutch are 1/4NPT. I assumed you were inquiring about the master clutch. If you can see greese coming out of the bearing you have greased enough. Unless you use your HD5 over 1000 hours anually, once a year is enough.

Posted By: serioussam
Date Posted: 01 Nov 2015 at 11:33am

No sorry for not clarifying. I was talking about the steering clutch bearings, so once a year is still enough grease for steering bearings. Thanks

Posted By: Coke-in-MN
Date Posted: 01 Nov 2015 at 3:16pm

A hose for a grease gun works great for this use .

remember to grease the sleeve on the master clutch also - as it turns on shaft it needs lube and also when tractor is at idle - put transmission in neutral and engage clutch so the main shaft is not riding on the brass bushing in this sleeve .

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