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oldman

91760618 1961-Sears/David Bradley Update

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oldman
Posted (edited)

Recently picked up a near complete 61 db and although it was repowered, began the trouble-shooting process and replacement parts search. Many thanks to Jabelman for technical assistance and providing a key element to fitting this engine correctly. See the main obstacle is carburetor base. Shame, the prior owner replaced the original engine and didn't keep the sheet metal, not the hood bracket, or even the carb/offset! Just tossed all So here's a few pictures of the progress made. The old recoil & shroud were toast. I rebuilt a pull and rustled up a vertical 7hp shroud. Just enough to to test for spark. Removed the drive belts. (This thing has no neutral) engine does have spark! Thank God!

Magnetron Ignition are amazing! The whole unit will be gently disassembled and put back together as per the manual. I have just enough of the implements to hurt myself! Lol

 

It's no Wheel Horse by no means, but a challenging and rewarding endeavor......

 

Regards,

Oldman

 

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Edited by oldman
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oliver2-44

Cool project, keep us posted

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jabelman

it's great project, glad to help!

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ebinmaine
10 hours ago, oliver2-44 said:

Cool project, keep us posted

:text-yeahthat:

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oldman

I converted the vertical shroud.

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oldman

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oldman

The drawing used for the offset from the carburetor base to the oil bath assembly. This is a must have to assure clearance for the barrel shaped hood. The elusive 90 degree also is a must have part. Again, many thanks to Jabelman for this contribution. Finally the desired result isn't as fancy as the factory set-up but should fit and function! Let's see how the welder does on this part. (I couldn't weld this thin material as nicely as the professional!)

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oldman

Here are the parts thus-far. Expensive little offset! The 2" end had to be so to make the required spacing on the rods and reduce to 1-1/8. I tried the part and it fits nicely.

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oldman

Parts fitment. the welder for the offset was salty! the hood stand I did myself! rusty on the welder!

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oldman

the color test and kill switch. fun getting the kill switch in without snapping the plastic stays!

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oldman
Posted (edited)

drained the ancient oil. removed the muffler. made hood frame brkt and hood pin.

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Edited by oldman
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ebinmaine
2 hours ago, oldman said:

ancient oil.

Wow.

Delicious.

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oldman

tried the parts on for size! Happy all looks good so far. now it's drilling out the right lower 1/4-20 bolt for the shroud.......

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ebinmaine

Looks fantastic sir

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classiccat

360 degrees of air travel accomplished!!   I have a soft spot for the old updraft carbs!

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oldman

Here's an update, I decided to try and squeeze a 6 qt tank, combined two brackets, fits good. The hood clears nicely while closed. The muffler will exhaust straight out the front oval. The offset & carb clear the left side by 3/16th's! Lol.1641643309_BriggsStratton.gif.e53c93a2b79b08aeacad826457ee5044.gif

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