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Western Snow Plow Stub Shaft Repair

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  • Western Snow Plow Stub Shaft Repair

    My customer just purchased a used Western snow plow. The pump worked fine, the blade had a lot of life left and the hoses were new last year. The only problem was that the stub shafts that attach the upper plow bracket to the truck frame bracket were cut off for some reason.
    The location for stub shaft that needed to be repaired can be seen in the following exploded view.
    Click image for larger version

Name:	0. Exploded view showing stub shaft.jpg
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    The 1st stub shaft was so short that it even lost the cross hole for the cotter pin, so there was no way to keep the truck frame bracket link from falling off the stub shaft of the upper plow bracket.

    To get the plow to my house, my customer had to ratchet strap around the truck frame bracket link to hold it onto the stub shaft. As you can see in the following picture the stub shaft is just barely flush with the truck frame bracket link.

    Click image for larger version

Name:	1. Strap holding upper plow bracket to 1st stub shaft.JPG
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    in the second picture truck frame bracket link was removed so that you can see the end of the first stub shaft, which was so short that there was no longer a hole for the cotter pin.

    Click image for larger version

Name:	2. Truck frame bracket link removed from 1st stub shaft.JPG
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    On the 2nd stub shaft there was only a little bit of shaft beyond the hole to support the cotter pin. My customer wanted this shaft also built up because he was worried that the cotter pin might pull out through this thin wall on the end of the stub shaft. This picture shows the truck frame bracket link on the 2nd stub shaft.

    Click image for larger version

Name:	3. Pin close to end of 2nd stub shaft with truck frame bracket link in place.JPG
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    The next picture shows the truck frame bracket link removed.

    Click image for larger version

Name:	4. Link on 2nd stub shaft removed.JPG
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    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Lincoln 210 MP
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  • #2
    The next picture shows grinding the stub shaft to clean it up in preparation for welding.

    Click image for larger version

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    The following picture shows wire brushing the stub shaft to remove the rust.

    Click image for larger version

Name:	6. Wire wheel brushing stub shaft.JPG
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    I built up the ends of both of the stub shafts with weld.

    Click image for larger version

Name:	7. Welded extension on the stub shaft.JPG
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    I dressed the weld in preparation for drilling.

    Click image for larger version

Name:	8. Shaft ready for drilling.JPG
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    Then I drilled a new hole for the cotter pin.
    The following picture shows the cotter pin in place in the new hole of the newly built up shaft.

    Click image for larger version

Name:	9. Cotter pin in place.JPG
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ID:	593206
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Lincoln 210 MP
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

    Comment


    • #3
      The last step was mounting the plow back on the truck.
      The large cotter pin on the right attaches the lower plow frame to the truck frame bracket. The cotter pin to the left goes in the stub shaft, which is the one that we repaired. This cotter pin keeps truck frame bracket link from falling off the stub shaft on the upper plow bracket.

      Click image for larger version

Name:	10. Pin in place under bumper.JPG
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      I did have trouble opening up the existing hole in the shaft after I got some weld on the entrance to the hole on both sides.
      My first approach was trying to drill the hole open.
      The drills caught and broke.

      Click image for larger version

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      My next attempt was a carbide burr.
      The burr caught and broke.

      Click image for larger version

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      My final approach was to use a small grinding stone on my Foredom shaft grinder.
      This worked fine, but I did wear out the stone.

      Click image for larger version

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      I can be quite competitive repairing parts of snow plows, because the parts are pricey.
      My customer did want it in service as soon as possible with snow predicted for the next weekend.
      A new lift frame costs $366.69, but you would still have to strip the lights, hydraulic hoses and cylinder from the old one.

      Click image for larger version

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      Miller Thunderbolt
      Smith Oxyacetylene Torch
      Miller Dynasty 200DX
      Lincoln SP-250 MIG Welder
      Lincoln LE 31 MP
      Lincoln 210 MP
      Clausing/Coldchester 15" Lathe
      16" DuAll Saw
      15" Drill Press
      7" x 9" Swivel Head Horizontal Band Saw
      20 Ton Arbor Press
      Bridgeport

      Comment


      • #4
        So I'm gonna say $225 ish?

        www.facebook.com/outbackaluminumwelding
        Miller Dynasty 700...OH YEA BABY!!
        MM 350P...PULSE SPRAYIN' MONSTER
        Miller Dynasty 280 with AC independent expansion card
        Miller Dynasty 200 DX "Blue Lightning"

        Miller Bobcat 225 NT (what I began my present Biz with!)
        Miller 30-A Spoolgun
        Miller WC-115-A
        Miller Spectrum 300
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        Miller Digital Elite Titanium 9400

        Comment


        • #5
          Originally posted by FusionKing View Post
          So I'm gonna say $225 ish?
          I charged about half of that. Keep in mind that you are the master who works on high end stuff. I am the apprentice that works on low end stuff. By the way I really like your swim platforms and tuna towers.

          -Don
          Miller Thunderbolt
          Smith Oxyacetylene Torch
          Miller Dynasty 200DX
          Lincoln SP-250 MIG Welder
          Lincoln LE 31 MP
          Lincoln 210 MP
          Clausing/Coldchester 15" Lathe
          16" DuAll Saw
          15" Drill Press
          7" x 9" Swivel Head Horizontal Band Saw
          20 Ton Arbor Press
          Bridgeport

          Comment


          • #6
            If you're the apprentice of low end stuff, that must make me the pee-on of junk....

            Comment


            • #7
              Originally posted by ryanjones2150 View Post
              If you're the apprentice of low end stuff, that must make me the pee-on of junk....
              BAHAHAHA

              www.facebook.com/outbackaluminumwelding
              Miller Dynasty 700...OH YEA BABY!!
              MM 350P...PULSE SPRAYIN' MONSTER
              Miller Dynasty 280 with AC independent expansion card
              Miller Dynasty 200 DX "Blue Lightning"

              Miller Bobcat 225 NT (what I began my present Biz with!)
              Miller 30-A Spoolgun
              Miller WC-115-A
              Miller Spectrum 300
              Miller 225 Thunderbolt (my first machine bought new 1980)
              Miller Digital Elite Titanium 9400

              Comment


              • #8
                Originally posted by Don52 View Post

                I charged about half of that. Keep in mind that you are the master who works on high end stuff. I am the apprentice that works on low end stuff. By the way I really like your swim platforms and tuna towers.

                -Don
                I just looked and figured it would take about 2 hrs. fooling around and then added 25 for good measure on junk like grinding wheels and drill bits or whatever. You're too cheep.
                Thanks for the kind words, but I really could use a guy like you here.

                www.facebook.com/outbackaluminumwelding
                Miller Dynasty 700...OH YEA BABY!!
                MM 350P...PULSE SPRAYIN' MONSTER
                Miller Dynasty 280 with AC independent expansion card
                Miller Dynasty 200 DX "Blue Lightning"

                Miller Bobcat 225 NT (what I began my present Biz with!)
                Miller 30-A Spoolgun
                Miller WC-115-A
                Miller Spectrum 300
                Miller 225 Thunderbolt (my first machine bought new 1980)
                Miller Digital Elite Titanium 9400

                Comment

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