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Cracftsman 3.7 parts and questions....

Discussion in 'Technical Area' started by dangerousatom, Mar 26, 2020 at 8:52 PM.

  1. dangerousatom

    dangerousatom Active OPE Member

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    Just ripped into my friends fathers old Craftsman 3.7/18 as it seems to have given up the ghost a few years ago. After getting a general comp on it 130-140 it loses psi in 2-3 seconds. I can hear it hiss out somewhere, Im assuming the crank oil seals. The piston and jug look to be in good shape, minimal visible lines no scratches at all. All the bearings are in great shape, with zero build up in the crank housing or even on the pistons underside. No cracks or visible leaks in the body seal after being split either.

    After poking around on here and other online info areas it seams parts are few, but the seals are available along with the bronze thrust bushings ( would love to toss a new piston-crank in it ) My question is do the crank oil seal hold compresion? The seals seem awful spindly compared to the 340 husky I just redid . I dont mind spending a few bucks on seals n bushings if thats all it is???

    Bronze Bushings = Poulan 530015354
    Seal = 19097
     
  2. countryhog

    countryhog BTDT

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    Yes
     
  3. dangerousatom

    dangerousatom Active OPE Member

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