Prop shaft UJ Failure

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BearDy89

BearDy89

Well-Known Member
Posts
1,518
Location
Bristol
After this near miss of complete failure of my UJ.


46fr.jpg


mk1u.jpg


r6pk.jpg



r6pk.jpg



I think I caught it just in time before complete catastrophic failure and a wild flinging propshaft ripping through the under side of my landy!!


I have stripped the front prop down and realised that this failure could be due to lack of grease.
Now its not that I haven't tried but None of my 3! Grease guns will fit onto the grease nipple :D;):p.

I can only grease them if I remove the prop and move the UJ to its maximum. Is there a special slimline grease gun that I need? Or is greasing them off of the landy the only way?
 
It's down to the choice of U-joint and the installation of the UJ. it is easy to screw up and put the damn things in in such a way that you can't reach the nipple (as the actress said to the bishop).

There are also variants on the UJs used by LR products that have the grease nipple out on one of the caps and not at the centre of the spider - the PDQ 01-0005 is (IIRC) the equivalent of the Precision 344 and is used on 200-series Volvosand has the nipple out in the cap.

ajr
 
II use and old fashioned push fit grease gun that does not actually go around the nipple but pushes against it, works fine. Loads on flea bay for about £6
 
I've found my sealey grease gun that works off the air compressor does a better job than my 'hand pumped' one

Even so I have to rotate the prop sometimes to get the grease to flow
 
Well worn that one, I ran one for so long that it wore well into the yoke, but of a close one for my liking. Must say I've never had issues getting grease into them with a regular grease gun.
 
BearDy89 said:
After this near miss of complete failure of my UJ.


46fr.jpg


mk1u.jpg


r6pk.jpg



r6pk.jpg



I think I caught it just in time before complete catastrophic failure and a wild flinging propshaft ripping through the under side of my landy!!


I have stripped the front prop down and realised that this failure could be due to lack of grease.
Now its not that I haven't tried but None of my 3! Grease guns will fit onto the grease nipple :D;):p.

I can only grease them if I remove the prop and move the UJ to its maximum. Is there a special slimline grease gun that I need? Or is greasing them off of the landy the only way?
Click to expand...

buy some longer grease nipples ,i have a box full and fit them to most i service
 
So I ordered a UJ for Defender front prop and its too small 75mm.

it appears I need an 85mm uj in my prop....

any ideas?
Part numbers etc
 
Hmmm I think mine is bigger than that. Could I have a wide angle propshaft and not know it? What UJs get used on wide angle props....?

Think Im looking at atleast 85mm
 
BearDy89 said:
Hmmm I think mine is bigger than that. Could I have a wide angle propshaft and not know it? What UJs get used on wide angle props....?

Think Im looking at atleast 85mm
Click to expand...

I bet you're not, 82mm will do the job fine unless you have some strange homemade jobbie.
 
Jason2 said:
Call yeh best mate in ! "Angle Grinder" and put two flats on your grease gun so that it will go between the yokes and onto the nipple !
Click to expand...

I did that, worked alright, but was still a bit tight, and didn't want to grind too much of my grease gun:confused::confused:

So I did this;);););););););)

jamesmartin said:
buy some longer grease nipples ,i have a box full and fit them to most i service
Click to expand...
 
BearDy89 said:
So I ordered a UJ for Defender front prop and its too small 75mm.

it appears I need an 85mm uj in my prop....

any ideas?
Part numbers etc
Click to expand...

[FONT=&quot]Get underneath and measure the width across the outside of your propshaft yokes.[/FONT]
[FONT=&quot]If it's about 93mm, you have the earlier type and need UJ part number RTC3346.[/FONT]
[FONT=&quot]If it's about 87mm, you have the later type and need UJ part number RTC3291.[/FONT]
 
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