Topic: 48 U-joint


fla48    -- 11-29-2011 @ 9:20 AM
  I am replacing my clutch disk and pressure plate. The u-jont appears to be packed with some type of grease. Do I need to repack the u-joint prior to assembly or will it be filled after it is installed and externally lubricated. Also, what are the torque values for the u-joint and other items in reinstalling the transmission and rear axle. I have been unable to find this information in the publications I have.
Thanks, Frank


TomO    -- 11-29-2011 @ 9:30 AM
  Frank,

You should grease the universal joint before assembling the cover over the u-joint. The grease that comes in from the fitting rarely lubricates the u-joint.

Use general bolt torque specifications for the bolts holding the transmission to block, u-joint cover and other bolts removed.

Here is a link to a list of torque specifications for critical bolts.

http://www.vanpeltsales.com/FH_web/flathead_torquespecs32-48V8.htm

Tom


supereal    -- 11-29-2011 @ 10:57 AM
  Also, be sure that grease fitting on the u-joint cover is accessable when the cover is in place. We use Mystik JT-6 grease for that application. When the joint is replaced, it can take as much as two tubes to refill it. Don't forget to include the spacer when you reinstall the u-joint. It is a kind of thick washer that goes between the joint and the transmission output shaft. It is easy to forget. Genuine Ford u-joints are almost indestructable, probably because in addition to the grease, there is plenty of oil from the transmission added by leakage.


fla48    -- 11-29-2011 @ 5:27 PM
  Thanks for the feedback. It is just what I am looking for. Now if I can remember where to find the standard torque values I will be set. It has been a long time since I have used them.


supereal    -- 11-29-2011 @ 7:48 PM
  When I worked for a Ford dealer, we didn't know what a torque wrench looked like. We were taught to pull fasteners up tight without twisting them off. Even head nuts were done by "feel". I'll grant using a torque wrench is better, and essential these days, as is " torque to give" fasteners, but don't be afraid to just use good judgement on non critical places.


TomO    -- 11-30-2011 @ 8:03 AM
  I should have been more specific in my answer.

If the bolt has a nut and lock washer, tighten the bolt until the lock washer is flat, if the bolt has a castle nut with cotter keys, tighten the bolt until it is snug and then tighten until the slot in the nut aligns with the hole in the bolt.

If the bolt has neither, use standard torque values. Here is a link to the chart.

http://www.engineershandbook.com/Tables/torque.htm

Tom


fla48    -- 12-03-2011 @ 12:23 PM
  Thanks fo0r the feedback, it has been helpful.
Frank


42ford    -- 12-04-2011 @ 2:50 PM
  Hey super Where do you get the low temp Mystic?
Dick


supereal    -- 12-05-2011 @ 6:54 AM
  We buy it at a local farm store, but it is generally available. We get the ten tube case of 14oz. The website for the product is www.mystiklubes.com. If you can't find it locally, they may be able to tell you where to look. We started to use it years ago for boat trailer wheel bearings, which are submerged during launch, and often sieze when water enters the hubs. We liked it so well, we use it for many applications, except the Hyatt type roller bearings. It is rated NLGI. EP. It is virtually waterproof, and is our main all purpose grease.


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