Major oil spill after refilling 10EE for first time - Page 2
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  1. #21
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    While you have the gearbox out take it apart and replace all the gaskets and bearings and oil seals for the gear change shafts. I don't what kind of seals there are for the two output shafts, but on my square dial I replaced the steel labyrinth seals with modern oil seals.

  2. #22
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    And in case it isn't obvious, you don't need to remove the headstock to remove the quick-change gearbox.

    Cal

  3. #23
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    Rakort is indeed right. There are three socket head screws visible from the outside of the "front bearing" housing, and three more that can only be accessed after the gearbox is pulled away from the body of the lathe. Also, he is right in that the pins are straight, not tapered.
    Here's a photo of the three hidden screws.

    img_6468.jpg

    Actually, it isn't necessary to entirely remove the gearbox to get at these. It can be unbolted and twisted to expose them.

  4. #24
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    Quote Originally Posted by focusrsh View Post
    Actually, it isn't necessary to entirely remove the gearbox to get at these. It can be unbolted and twisted to expose them.
    Yes you could access the screws by twisting the gearbox within the bed casting (after it has already been largely removed) and save the removal of the gearbox input shafts which is required to actually extract the gearbox from the bed.

  5. #25
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    Don't have a round dial, but here is a caution based on the square dial. The leadscrew output is above the oil level, so on the square dial there is a little oil reservoir on the opposite side of the gearbox that is filled by unrelated gears, and then travels through a steel tube, along the removable rear plate, through a hole in a gasket and then into a passage in the end plate to provide steady oil to the bearing for the leadscrew output. The bearing for the power feed rod is low enough so that it gets oil directly.

    When you are examining your end plate be on the lookout for an oil passage to the upper bearing and make sure to put a hole in a gasket if necessary for said passage.


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