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#1039817 07/03/2014 8:43 PM
Joined: Jun 2008
Posts: 25
A
New Guy
New Guy
A Offline
Joined: Jun 2008
Posts: 25
i'm pulling my 64 sm420 apart. when i pulled the front pilot shaft out 16 needle bearings fell out . is this what is called the pocket bearing? and stuck deep in the back was a spring steel type of a retainer.is this part of a cage. did this tranie eat itself up ? i did not see metal parts or shavings. i'm only doing the upper bearings.how do i put the needles back? with heavy grease? the retainer thing was laying loose in back of pilot shaft so i don't where it goes.i hope you understand what i'm trying to say.
art

art 444 #1039832 07/03/2014 10:18 PM
Joined: Sep 2006
Posts: 3,596
B
'Bolter
'Bolter
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Joined: Sep 2006
Posts: 3,596
Here is a detailed slide show on the SM-420. They did not change much over the years. Slide 22 shows the needles you refer to I believe?
https://www.flickr.com/photos/advance-design_parts_co/sets/72157632620943718/

art 444 #1039844 07/03/2014 11:50 PM
Joined: Jun 2008
Posts: 25
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New Guy
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Posts: 25
WOW now i get it thanks so much
art

art 444 #1039879 07/04/2014 2:41 AM
Joined: Oct 2006
Posts: 9,671
D
'Bolter
'Bolter
D Offline
Joined: Oct 2006
Posts: 9,671
Probably don't need this Art, I didn't look at Brads slide, but
the retainer keeps the needles in place and gets pushed to the
back of the bore when you install the shaft. Just make sure
there are no gaps when you finish loading the bearings and
you will know that you've got them all.
http://www.pbase.com/dennygraham/image/137529544
DG

Last edited by Denny Graham; 07/04/2014 2:43 AM.

Denny G
Sandwich, IL
art 444 #1039983 07/04/2014 3:37 PM
Joined: Dec 2003
Posts: 1,061
M
'Bolter
'Bolter
M Offline
Joined: Dec 2003
Posts: 1,061
Bearing retainer pushed to the back? Guess what I found in there when I looked. I never knew, my life just became a good bit easier on the next rebuild!


THANK YOU!


1946 1-ton Panel
1952 1-ton Comml. W/Grain Body

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