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willysmjeeps.com :: View topic - New Ross Worm Gear question
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New Ross Worm Gear question

 
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arisLgr
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Joined: Dec 25, 2016
Posts: 39
Location: Athens, Greece

PostPosted: Tue Nov 20, 2018 6:09 am    Post subject: New Ross Worm Gear question Reply with quote

Hi everyone!
I’m rebuilding my steering box, new Sector Shaft etc, as well as a new Worm Gear.
After shimming adjustment of the ball bearings, I oiled temporarily the unit and put the Sector Shaft in place, using hand pressure only, (i.e. without the cover on and with the adjusting screw).
I notice that there is some ‘roughness’ when turning the column, and while the Sector Shaft’s pins are shiny and good, the Worm Gear itself is not very smooth or shiny.
I'm afraid that the sector's pins will be damaged while running-in, so shall I very carefully wet-sand the worm by hand, or ‘run-it-in’ using my old Sector Shaft? Or should I mount the new sector shaft and let it ‘run-in’ by itself?
Any ideas?
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Aris
Willys M38
1936 Cord Phaeton
1954 Mercury Monterey
1968 Corvette Stingray
1973 Mercedes 350SE
1974 Montesa Cota 247T
1982 Kubota B7100
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wesk
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Joined: Apr 04, 2005
Posts: 13929
Location: Wisconsin

PostPosted: Tue Nov 20, 2018 10:12 am    Post subject: Reply with quote

1st: You should be using the two manuals available for overhauling the steering box. They are free and located in our "Downloads" pages.

The Ross Gear Factory Manual: http://willysmjeeps.com/v2/modules.php?name=Downloads&d_op=getit&lid=136

The TM 9-1804B: http://willysmjeeps.com/v2/modules.php?name=Downloads&d_op=getit&lid=125

2nd: The Ross Manual on page 14 left column par. (a) states the new cam is copper coated for initial service (Run-in).
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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arisLgr
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Joined: Dec 25, 2016
Posts: 39
Location: Athens, Greece

PostPosted: Tue Nov 20, 2018 1:28 pm    Post subject: Reply with quote

wesk wrote:
1st: You should be using the two manuals available for overhauling the steering box. They are free and located in our "Downloads" pages.

The Ross Gear Factory Manual: http://willysmjeeps.com/v2/modules.php?name=Downloads&d_op=getit&lid=136

The TM 9-1804B: http://willysmjeeps.com/v2/modules.php?name=Downloads&d_op=getit&lid=125

2nd: The Ross Manual on page 14 left column par. (a) states the new cam is copper coated for initial service (Run-in).


Yes I've used both manuals thanks to our downloads pages, but missed the brass coated point.

Now the 'cam' you mention I presume is the Worm Gear on the column (pls excuse my English..) and it is great to know it is brass coated, I never thought it, because my new one is just gray in colour!

I overhauled the steering box some time ago, and besides the 'play' when straight. almost everything else was in very good condition and I've always used the Penrite steering fluid.

Correct me if I am wrong, but I believe the 'play' must have been created because back then I had not read about and did not adjust the Stop Bolts at each end, so I am afraid I was pushing the sector pins all the way to the ends of the worm.....
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Aris
Willys M38
1936 Cord Phaeton
1954 Mercury Monterey
1968 Corvette Stingray
1973 Mercedes 350SE
1974 Montesa Cota 247T
1982 Kubota B7100
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wesk
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Joined: Apr 04, 2005
Posts: 13929
Location: Wisconsin

PostPosted: Tue Nov 20, 2018 1:34 pm    Post subject: Reply with quote

Yes the worm gear is properly labeled a cam in the service manuals.

Copper coated, not brass.

Anything that creates space between the cam and the sector shaft pins will cause play.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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arisLgr
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Joined: Dec 25, 2016
Posts: 39
Location: Athens, Greece

PostPosted: Thu Nov 22, 2018 4:29 am    Post subject: Reply with quote

Thanks Wes!!!!!
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Aris
Willys M38
1936 Cord Phaeton
1954 Mercury Monterey
1968 Corvette Stingray
1973 Mercedes 350SE
1974 Montesa Cota 247T
1982 Kubota B7100
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