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Type: Posts; User: rabler

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  1. Replies
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    Obviously the motor no-load current sets a bottom...

    Obviously the motor no-load current sets a bottom end to how far you can push this. AC motors in particular tend to use reactive power running no load. Basically this means they are drawing power...
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    Should be worth a try. Results may not be...

    Should be worth a try. Results may not be satisfactory, but unlikely to damage anything as long as an appropriate circuit breaker is in use. You’d need documentation on the drive to see if...
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    My guess is you would need to, at the very least,...

    My guess is you would need to, at the very least, re-tune the drive/controller to not try to deliver full current (horsepower). Otherwise the drive is going to ask for that current (horsepower)...
  4. Electric brakes on the trailer usually requires...

    Electric brakes on the trailer usually requires an electronic brake controller installed in your truck. If you don't have that, surge brakes is the only realistic option.
    Your truck should haul...
  5. That would depend a bit on where the 1300 miles...

    That would depend a bit on where the 1300 miles took you. Through Chicago? Probably not. Decent roads and no big-city traffic, I'd consider it. Get the load right on the trailer, well secured,...
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    Just a bit comical that Monarch lumped the 612 in...

    Just a bit comical that Monarch lumped the 612 in as a "Small and Medium Swing lathe" in that publication. I know they built some truly monster lathes (like the Missile Master series), but I still...
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    The rapid motor reduction gearbox on the front of...

    The rapid motor reduction gearbox on the front of the motor also has an oil reservoir that likely gets overlooked.
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    Check this:...

    Check this: http://www.vintagemachinery.org/pubs/2103/18297.pdf pg 44.
    Looks like the cam (part V59) for the oil pump is associated with the power traverse clutches in terms of parts location. I...
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    Mike Not sure about the pump. On my 612 (1967),...

    Mike
    Not sure about the pump. On my 612 (1967), the rapid motor operates all the time that the main motor is on, clutch engaged or not. The 612 is wiredso the overload “heater” for the rapid motor...
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    Got the spacer plate under the toolpost,...

    Got the spacer plate under the toolpost, including new shaft and T-nut. Made the plate 1/2” wider on all four sides than the CA post base. Toolpost is offset to the front of the 2.25” slot to put...
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    Welcome to the Monarch ... addiction. We have a...

    Welcome to the Monarch ... addiction. We have a 5 step program for such problems. It involves buying tooling ;)
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    Looks very similar to my CK, including tailstock.

    Looks very similar to my CK, including tailstock.
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    One of the diagrams you posted is a layout of the...

    One of the diagrams you posted is a layout of the "transformer compartment". That will give you an idea of T4.

    "Continuity" means use your multimeter on the resistance/ohm-meter setting and...
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    Maybe running in circles myself, lol. I'm trying...

    Maybe running in circles myself, lol. I'm trying to get my 612 functional so I can then take the CK apart and work on scraping the cross slide and compound on there, and turcite or such on the...
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    T4 looks suspicious. I'd check continuity...

    T4 looks suspicious. I'd check continuity through both the primary and secondary, obviously with the machine powered off & unplugged, and if at all possible with T4 disconnected. Possibly just a...
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    I would ready those as check across R14 with the...

    I would ready those as check across R14 with the black (negative) lead on pin 29 and the red (positive) lead on 29A. Note that for VAC readings it doesn't matter which way the meter leads are...
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    Since you quoted my post before this I am going...

    Since you quoted my post before this I am going to assume this is in part aimed at me. I think you need to consider that there are cases in medicine that a professional is not going to be willing to...
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    Yes, that is what I was thinking of.

    Yes, that is what I was thinking of.
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    Debugging gets more complicated than simple...

    Debugging gets more complicated than simple rewiring.

    If you have a good voltmeter and some experience with measuring potentially lethal voltages, one starting approach is to measure all of the...
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    "All of the dials name plate high low shifter...

    "All of the dials name plate high low shifter Plaque and the original power button are all made from bronze on this machine "

    I know copper and the like have gotten expensive, but your not fooling...
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    Also curious about the large round collar behind...

    Also curious about the large round collar behind the carriage handwheel. Looks like the handwheel has some extra bolts added, probably associated with that collar.
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    Doesn't look like a factory "feature" to me. I'd...

    Doesn't look like a factory "feature" to me. I'd take the three screws off that round plate and see if it come off with the plate or not.
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    1" piece of 4130 arrived today for that purpose. ...

    1" piece of 4130 arrived today for that purpose. Not really needing different threads but need about another 1/2" in length.
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    Managed to get a few hours a day for the last few...

    Managed to get a few hours a day for the last few days to work on the 612.

    The apron needed some work before putting it back on the carriage. The lever to close the half nuts only moved a few...
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    Use an ohmmeter to check what that pin connects...

    Use an ohmmeter to check what that pin connects to externally to the module. If it matches the pin 29 connections, you know you’re right.
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