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10-27-2018, 08:28 PM | #1 |
Junior Member
Join Date: Oct 2018
Posts: 13
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Steering worm gear install
Hello, does anyone have a good suggestion on how to install the steering worm gear back on it's shaft for a 1930 Ford. I was able to remove the old using my 30 ton press after I installed some cribbing under it to raise it about another 12" higher. This allowed the entire shaft to fit in place followed by a spacer under the hydraulic ram. I was then able to press the old one off. The problem is the press is not bolted down on my garage floor and when I go to press it on the whole press lifts up using the floor to hold the down the end of the shaft.
Thanks -Tom |
10-27-2018, 08:40 PM | #2 |
Senior Member
Join Date: May 2010
Location: Bismarck ND
Posts: 1,189
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Re: Steering worm gear install
Tap the inside of the tube with a 5/8 inch fine thread tap. No need to drill the shaft as a 5/8 inch tap will work with no further sizing. Then use a 5/8 fine thread grade 8 bolt and a stack of washers, and with the tube securely clamped in a vise, use an impact wrench to force the worm unto the shaft. Of course, you must align the worm splines with the grooves on the shaft. I have done many this way and it avoids bending the shaft. To remove the worm without damage to the shaft, I use a bearing puller and put the device in the press and push the shaft off with a properly sized bolt on the end of the shaft with the worm attached. Good Luck
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10-27-2018, 08:58 PM | #3 |
Senior Member
Join Date: May 2010
Posts: 226
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Re: Steering worm gear install
I place a piece of aluminum about 1/2 inch thick and about one foot square on a concrete floor.
I start the gear on the shaft with a brass hammer, I then hold the shaft a few inches above the gear and start slamming the gear into the aluminum as hard as I can, usually takes 20 or 30 hits. The gears are heat treated and very hard, the aluminum is very soft. It will not leave any marks on the gear, unless you miss and hit the concrete. This sounds very crude and crazy, but I have done several gears this way and it actually works very good. |
10-27-2018, 09:20 PM | #4 |
Senior Member
Join Date: May 2010
Location: Auburn Washington
Posts: 2,552
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Re: Steering worm gear install
I have a big heavy nut that slides down on the shaft about 1" up from where the worm ends up and put a couple tack weld on the upper side. press the worm on the shaft grind the tack welds off. and you are good to go.
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10-27-2018, 10:09 PM | #5 |
Senior Member
Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
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Re: Steering worm gear install
Take it to a machine shop, Then when everything goes wrong they have to fix it. That's what I did and everything did go wrong.
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10-27-2018, 11:28 PM | #6 |
Senior Member
Join Date: Mar 2013
Location: New Zealand
Posts: 366
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Re: Steering worm gear install
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10-28-2018, 02:04 AM | #7 |
Junior Member
Join Date: Oct 2018
Posts: 13
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Re: Steering worm gear install
This is exactly what I did and it worked.
Thanks again for the suggestion -Tom |
10-28-2018, 09:35 AM | #8 | |
Senior Member
Join Date: Jun 2015
Location: Red Deer, Alberta
Posts: 5,043
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Re: Steering worm gear install
Quote:
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10-28-2018, 09:57 AM | #9 |
Senior Member
Join Date: May 2010
Location: Stuart Florida
Posts: 148
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Re: Steering worm gear install
I have a press and fixtures for installing the worm on the shaft. If you are near Stuart, Florida I would be glad to do it for you.
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10-28-2018, 12:55 PM | #10 |
Senior Member
Join Date: May 2010
Location: Michigan
Posts: 580
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Re: Steering worm gear install
Look at my post on 2/21/2018. It shows pictures of James Rogers fixture and a explanation to install the worm. This picture is my fixture copying James idea. Works like a dream.
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