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  1. Replies
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    What I see is a system that leaves you blind in...

    What I see is a system that leaves you blind in the apron. The half nuts oil passage clogs at the slide. The oil level in the worm drive sump is covered with a guard. You have a reservoir that...
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    With the worm drive gear set it's often found...

    With the worm drive gear set it's often found damaged after its to late . This is a easy way to easily check and add oil to that rear sump. With the original setup its a guess that its full. The...
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    That would let you see the oil level in the worm...

    That would let you see the oil level in the worm gear sump at a quick glance. Otherwise you really cant tell it's full until its running out. I like it.
    A return hole to the apron sump would keep...
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    I like the shutoff and the guard for the half...

    I like the shutoff and the guard for the half nuts.
    I don't think you would want constant pressure at the feed rod either.. Just that sump full. Once full an ocasionally drip to keep it full. My...
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    I know you mentioned failure of 10ee oil pumps,...

    I know you mentioned failure of 10ee oil pumps, and that may be, I'm not sure. Certainly the filters need to be serviced and oil changed maybe every couple/few years. But my knee jerk response is the...
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    Cal has a valid point about line pressure and...

    Cal has a valid point about line pressure and length. Lets say all the bejure valves were gutted. A few manual valves too choke down volume where needed will do the same thing.

    Break the oiling...
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    Modifying Monarchs problematic oiling system.

    I borrowed TGS's Post from another thread.

    Ill take a look at those links but first.
    That monarch apron oiling system is a cluster of potential failure.
    I agree. By time you discover feed...
  8. Replies
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    I had one that was clogged and used a heat gun...

    I had one that was clogged and used a heat gun and first smoke came out then hot dripping tar. If you are using anything like kerosene be careful with the heat. If its copper oil lines they get hot...
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    Measuring my keyway in the in the shaft I'm...

    Measuring my keyway in the in the shaft I'm getting an average of about .405. That may have some wear through the center of the shaft where it's used the most.
    The key started out at .375 when it...
  10. Replies
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    That chuck guard on that lathe may be made by...

    That chuck guard on that lathe may be made by monarch. I have only seen a couple guards like that on 10ee. 's.
    I don't stand behind the chuck and try to work safe but find chuck guards too...
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    That's a good analytical assessment of the cause...

    That's a good analytical assessment of the cause of the wear. It's contagious wear. You cant make a good repair without understanding why it failed.
    Does that worm gear shield cover it down close...
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    Those pins are short. Welding would be hard to...

    Those pins are short. Welding would be hard to do. Mahe o ne thats longer?
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    Thanks kirby I have decide not to try to hold...

    Thanks kirby
    I have decide not to try to hold the linkage open with the cable mechanism.
    I will try your method if the clutch sticks again.
    I don't like the way the hydraulic clutch linkage...
  14. Replies
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    That's a nice looking set of gears in there. They...

    That's a nice looking set of gears in there. They are a lot smaller in size than would you think needed but are just driving the feed screw. Although it works pretty hard driving the apron and feeds....
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    The old qcgb did rely on the pin for enga8gment....

    The old qcgb did rely on the pin for enga8gment. I also don't know how much gears try to separate.
    I did go out and look at the shifting mechanism.
    In the locked in position I pulled back on the...
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    I dont think so but I guess that's possible. My...

    I dont think so but I guess that's possible. My lathe hasn't ran but I worked the handles through their moves to learn their operation. My handle shifted easy without forcing anything.
    I removed my...
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    Hyster Hydraulic Cutch Question

    I recently put a clutch in my H80 challenger
    Well I am helping a widow with some of her husbands collection. She has a big hyster with the same transmission as mine only her lift has a hydraulic...
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    333884My handle has a set screw at 45 deg from...

    333884My handle has a set screw at 45 deg from the pin. I suspect Monarch did that to find and lock the correct position before drilling for the pin. Like in rimcanyons suggestion says. Otherwise its...
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    The handle doesn't take a lot of force to do its...

    The handle doesn't take a lot of force to do its job. A set screw with a small dimple in the shaft may hold fine. You may be able to tap the existing tapered pin hole in the handle. Run the proper...
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    You could tap for a set screw in the handle at 45...

    You could tap for a set screw in the handle at 45 deg position from the pin position. Use the set screw to set and lock your correct position of the handle . Then ream your pin taper.
    You could...
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    If the Series 61 had covers for the taper...

    If the Series 61 had covers for the taper attachment. Finding those or fabricating them may be worthwhile.
    Taper attachments by design collect swarf. The location doesn't help either.
    You may not...
  22. Monarch 12cx lath 14.5" swings 54 | eBay...

    Monarch 12cx lath 14.5" swings 54 | eBay

    He was close to scrap price. That may have happen.
    On e-bay I have hesitated and regretted. It may have been salvageable.


    The seller has zero sales...
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    In the first link the literature describing the...

    In the first link the literature describing the apron it appears that your apron has a built in oil pump. Monarch used this system on various models. That pump not only distributes oil to the apron...
  24. What Knipex has done with compound leverage and...

    What Knipex has done with compound leverage and locking position tools seems so basic but it's great.. For so many years for tools like crecent wrenches and channel lock plyers design stayed...
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    I did a google search as you probably already...

    I did a google search as you probably already have done finding this old Practical Machinist thread.

    First find out if the apron from other models would interchange.. Maybe that would widen the...
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