Dozer blade is missing a piece
Posted November 21, 2010 - 06:41 PM
Posted November 22, 2010 - 11:44 PM
Posted November 23, 2010 - 08:31 PM
The custom series don't have the same attachment points on the front.
The parts I'm looking for measurements on are #'s 27, 28, & 33 on the following exploded view.
27 & 28 are about 50" overall length
Here is a pic of the back end of #27
Front end of 27 & 28 sticking thru the bottom of the main plow frame.
Posted November 30, 2010 - 11:55 PM
This fall, I bought a late 60's Sears Custom 7. It came with a snowplow / dozer blade. Upon mounting the plow, it appeared I was missing a few pieces. I was finally able to find an exploded view and confirmed I was missing the lower support arms. These run from the bottom of the plow frame to the rear end of the tractor and provide much needed structure. The Custom Series tractors were the smaller siblings to the Suburban Series and the attachments were designed to bolt to the front axle. Without proper tie-in to the rest of the frame, all of the weight and work is on the front axle. Without these lower supports, you run a very good chance of breaking the steering gear, as the front axle twists while using the plow.
The following write-up relies on the reader referencing the attached pictures.
A few measurements, a picture or 2 found via Google, and mediocre exploded view in hand, I began to work out the details.
There are 2 holes in the side of the rear attachment plate behind the rear axle. These holes are just above the axle and are inline with the axle & lower plow attachment points. This makes the support have to bend below the axle before continuing towards the front of the tractor. Another obstacle is the brake assembly on the LHS of the tractor.
A little staring & an evenings sleep on it & the fabrication began. I apologize that I have no “during” or “Process” pictures, but my camera was MIA that evening.
(2) 1/2"ID x 48 3/4" long, thick wall "black" water pipe (If you use galvanized, do not breathe the fumes during heating)
(2) 5/8" x 3" bolts
(2) 5/8" x 1.5" bolts with nuts & lock washers..
(2) spring clips
The first step was to flatten the rear ends of the pipe. The Flattened area was to be the first 1.75” of the pipe & the pipe had to be flattened “off-set” so it would lay against the rear attachment points. In order to get the flattening offset correct, I marked where I was going to flatten to & heated the end with my rosebud. I then put the pipe & a 10” piece of 3/8 barstock in the vice & squeezed. The barstock forced the pipe to one side as I tightened instead of squishing to center. It worked like a champ.
Next was to figure the bend to swing under the axle & brakes. My best guess turned out right and a 30 degree bend, 4” from the end of the pipe put the hole 2” above center line of the rest of the pipe. This clears the axle by 3/4” and the brakes by 1/2”. Remember to make them equal & opposite so the flat side is against the attachment area.
It was at this point, I realized the front end of the pipe would not come into the bracket on a straight line. The front end of the pipe needs to be tapered. The top of the pipe needs to be 3/16 shorter than the bottom to fit correctly.
In the end of the pipe, I was stymied for a while as to how to put in a pin to go thru the lower support. I finally settled on running a 5/8” tap into the end of the pipe & screwing a 5/8” x 3” bolt into the end. This I cut off 1” longer than the end of the pipe. It sticks thru nicely and allows for a spring clip in the end to hold it in place. I also drilled thru the pipe & bolt & put a rivet in to be safe. This “pin” on the end of the pipe should have no other purpose than alignment, but I wasn't willing to take the chance on it working out.
The hole in the rear of the pipe should be a 5/8 hole with it's center 5/8” from the end of the flattened area. The last steps were to put the bolts in the rear attachment plate and drill the front pins for the spring clips.
When all was done, my son & I put them in place. They work as designed & I am 1 step closer to having video of me plowing with the Custom 7 this winter.
- Bolens 1000, KennyP and wbakunis have said thanks
Posted November 07, 2011 - 09:32 PM
Posted November 08, 2011 - 06:30 AM
Posted October 12, 2012 - 09:16 PM