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Thread: Drying the knuck

  1. #81

    Re: Drying the knuck

    By the way: heating is best done with a heat gun, isn’t?
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

  2. #82

    Re: Drying the knuck

    Ok - the mainshaft gear assembly is finally out!

    Until now I had little success to press out the mainshaft outer (clutch side) bearing and seal... any advice?

    Heating is clear, but how to hold the gear housing? Needs to be pressed out towards the clutch, isn’t? The housing was stamped to keep the seal “trapped”, I may need to recess the aluminum a little bit to give free way to the seal... Where to apply the force to press out is also unclear to me...
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

  3. #83

    Re: Drying the knuck

    Use .375" rod from inside, knock seal out, heat not needed.

  4. #84

    Re: Drying the knuck

    Quote Originally Posted by 1950panhead View Post
    Use .375" rod from inside, knock seal out, heat not needed.
    Mmh... Will need to understand that one before. I was thinking to use an inverted (hooks outwards) puller... This is the current status of things. Lockring is out. Removed slighly aluminum in 3 spots were the housing was stamped to retain the seal:

    https://photos.app.goo.gl/Lz5jRNktJVx2qm5H6

    https://photos.app.goo.gl/guhHtc51hnxAjD8H6
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

  5. Re: Drying the knuck

    You do not need to remove the main drive gear case race to get the seal out. The race is the part you removed the retaining ring from. 1950pan was suggesting to use the 3/8 rod to tap against the seal spacer flange from the inside of the case to remove it and the seal together.

  6. #86
    Join Date
    Jan 2009
    Location
    Patten,Maine
    Posts
    1,299

    Re: Drying the knuck

    Using the sleeve with the notch in it, take a screw driver going in under the lip of the seal and use the notch for prying.Just work it around a little at a time. The manual states using a couple of wood screws, drill a pilot hole to accept the screw.The screws when turned into the seal act as a puller. I like to use 3/4 drive sockets,one to go inside and one to surround the seal on the outside using a piece threaded rod through the sockets.

  7. #87

    Re: Drying the knuck

    Now I got it!

    Kozy shared with me also a great video showing step by step the disassembly and reassembly of a shovelhead's tranny. So useful to get a visual understanding of what is being recommended here anyway. THANKS to all!!!

    I will now finish the stripping down, will clean everything and next step will be a photo session for each gear, dog and shaft to get a feedback if the pitting & wear (the dogs looks suspect to me) need a mandatory rechange or not.

    However it is, spare parts will be needed: gaskets, lockrings, bearings & seals are a must. Bushings & dogs my add to the list. I am located in continental Europe. Would you recommend a single good source one in the US and one in Europe to buy all this replacements? Is Willem Boon in Holland a good spare parts source? A good source in US is also wished - shipping to Europe is astronomic but if I place a single bundled order, then it will be fine. Glad to hear names of those with a wide & good quality. and of course keen to ship abroad.

    We keep in touch!
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

  8. #88

    Re: Drying the knuck

    Gentlemen. I ignore if someone will have the patience to check the pics below but these are close ups of all the hardware with the hope to get any advice on anything you see needs mandatory replacement. Thanks!

    https://photos.app.goo.gl/s22KCT4AdCzN6zBV6
    https://photos.app.goo.gl/RNQimsupKs6xogYE8
    https://photos.app.goo.gl/Chmj7dqmoKgZkLrRA
    https://photos.app.goo.gl/8Hax7kKLJ1bZpiaYA
    https://photos.app.goo.gl/bWjmPQTU9rTGPpYg7
    https://photos.app.goo.gl/zXhnEnxfos92Rujs6
    https://photos.app.goo.gl/h2ttSECkCBeNjGgh8
    https://photos.app.goo.gl/KHUvuqYGsw5vQ5Cq9
    https://photos.app.goo.gl/K8Vr28xCrQgjUxv79
    https://photos.app.goo.gl/aARD8eu2P3tWScsD7
    https://photos.app.goo.gl/251n2qgb6kzcVtBV6
    https://photos.app.goo.gl/Lzdpz5qxGd2TArKP8
    https://photos.app.goo.gl/Rq6ce3kbUweu64Ex5
    https://photos.app.goo.gl/88gb9Vqx9iejoTATA
    https://photos.app.goo.gl/XKdUxChp6ZTGmLWUA
    https://photos.app.goo.gl/ym3i5fARt4AFb5Ty6
    https://photos.app.goo.gl/45U499A5ttQiiLUt6
    https://photos.app.goo.gl/w9hEg2skVuekc6aQ8
    https://photos.app.goo.gl/LnptM1onq4bwkWku9
    https://photos.app.goo.gl/NT1CUtCVVFhUEQV2A
    https://photos.app.goo.gl/j7PNdov4qJUt8k178
    https://photos.app.goo.gl/WnP5Ww27DaxtahS48
    https://photos.app.goo.gl/tD9zDpBrVCVje3uv8
    https://photos.app.goo.gl/BFWEJnAfyMognFcb9
    https://photos.app.goo.gl/9E6A5xiMpbt7KcfH9
    https://photos.app.goo.gl/QC99jk7dNAF6RHFP8
    https://photos.app.goo.gl/EMuMiJ4tL2AMUPq19
    https://photos.app.goo.gl/RKFptARUApsvM6dX7
    https://photos.app.goo.gl/Y4mXKazWrCjxpGWZ6
    https://photos.app.goo.gl/jFFZr22ChBpRQq8n6
    https://photos.app.goo.gl/aVGJqARsrNecE9MG8
    https://photos.app.goo.gl/WorJiZTaxPKgYMDa8
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

  9. #89
    Join Date
    Mar 2008
    Location
    Beautiful Northern NM
    Posts
    12,645

    Re: Drying the knuck

    Anything with pits in the bearing surface needs replacement, especially since it is all easily available. What do the bearing surfaces of the countershaft look like, they are the most important part of that gear. The main drive gear is likely toast as well. The countershaft is junk, the high and 2nd shift clutch is no good. The whole internal assembly is pitted and worn. Which brings you to a threshold, 3 speed parts are tough to source, so do you keep it original or build a 4 speed? Tough questions....
    Friends help friends move,
    Real friends help friends move bodies!

  10. #90

    Re: Drying the knuck

    Transmissions are well known to be boring, so while waiting for my spare parts and inspired by the „generator meltdown“ thread, the time has come to check my „electronics“ before get also toasted! A benefit was immediately found: the third brush adjustment plate was fully loose: do the screws feature pressure washers (unsure about the right name in English)?

    https://photos.app.goo.gl/WkobbN4wCh4dk4fg8
    1918 "Motorcyke" HD
    1947 F w/1948 LE HD
    1951 FL HD
    1970 FLH HD

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