good idea to take it to somebody who knows how to PROPERLY adjust the clutch
if you get some idiot in there messing with the linkage--you will have issues
there is a measurment for inbetween the brake face and the release bearing--that is what should be addressed firs--then see if the kinkage needs adjustment to bring free play into range--preferabely about 1 1/4 inch the brake measurment --is roughly around 3/8 of an inch--i could be wrong--i had a piece of square stock made up for that measurment
Clutch Problems
Discussion in 'Trucks [ Eighteen Wheelers ]' started by terrylamar, Dec 26, 2010.
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Eatons Standards are 1/16 inch Between the linkages inside the Bellhouse for the TO Bearings an then 1/4 inch on the Clutch Brake they have a set of tools that a Good Mechanic is Provided with from Eaton to Adjust the Clutch With not some thing he has to guess with on free play.
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adjust the pressure plate to 1/2 inch between clutch brake and release bearing. adjust linkage to 2 inches of free travel or 1/16 inch between fork and release bearing. make sure crosshafts in bellhousing are tight and all linkage is good and tight. you should rarely ever have to adjust the linkage. don't let somebody adjsut the linkage before adjusting the pressure plate.
check for metal laying in bottom of bell housing. if you have metal in bell housing its from the springs in the clutch disc. the pieces of metal could be stuck between the disc, flywheel, intermediate plate and pressure plate. this will cause a hard to get into gear complaint. could also cause a slippage issuecanuck in da truck Thanks this. -
Thats what I have always been told and done. I use a long 1/2 bolt for a guage. -
1/2 inch drive extension works great too -
listen to this guy,,,,,adjust the inner adjustments and leave the outter as they WERE -
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I have two 5/16 long bolts joined together and the heads are 1/2 inch, That is the important part. The clearance to the brake adjusted buy the ring, I use the two piece steel clutch brake even from new, and adjust the pedal free play depending on wear, you want the release bearing to release I do not care about the exact measurement. 1/16 works if linkage, cross shafts, and bushings are good.
If you have a clutch brake failure and it is dry it will eat the bearing cover on the transmission, then you need to remove the transmission the replace that. If you replace the clutch and not the transmission input shaft you could have problems releasing the clutch. Whenever the transmission is out, I recommend changing the cross shaft bushings at least. Some people swear you never have to change the input shaft, I change it every time. If you want warranty you have to change it.
Once the linkage is adjusted properly you only have to adjust that for linkage wear never for clutch wear.
If the clutch is abused the ceramic pucks will cup and cause a lot of drag.
Grease on a clutch brake does not effect its capabilities, it is made to run in grease.
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