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  1. For anyone else ever looking for one of these...

    For anyone else ever looking for one of these belts, I was able to faintly see the original part number on the belt. It said "Dayco 64V70" and what looks like "2N" right after that. There is only...
  2. Iíll give that a try. Sent from my iPhone...

    Iíll give that a try.


    Sent from my iPhone using Tapatalk
  3. Upon closer inspection I see why it's slipping. ...

    Upon closer inspection I see why it's slipping. Directly above the sheave in the front is where the wiring conduit enters the casting base to take the wires up to the Forward/reverse/stop/fast slow...
  4. Rivett 1020S - varidrive belt replacement

    Anyone ever replace the belt on one of these? I have the version that uses a single belt and 2 pulleys. Don't see how it can even be done with the motor installed. Any way to spread the sheaves? ...
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    As much as I hate to come back here and admit...

    As much as I hate to come back here and admit this, whoever had ďbelt slippingĒ as the cause of the problem wins the prize.

    I remembered I had built a multi output tachometer for the lathe. I...
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    Doing some Googling it seems what TDegenhart is...

    Doing some Googling it seems what TDegenhart is describing is commonly done and is called a "part winding start." In typical applications one set of windings is energized first and then after a time...
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    Testing 3 Phase Motor Windings

    You just energize one set at a time. Theyíre already split out since itís a dual voltage motor.

    Iíll take current readings this evening and post that first.


    Sent from my iPhone using...
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    Never seen a data plate have specs for anything...

    Never seen a data plate have specs for anything other than both sets of windings either in serial for high voltage or parallel for low voltage.


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    Thereís is also an RPM rating in addition to min...

    Thereís is also an RPM rating in addition to min max but I canít read it. It is a motor controlled adjustable sheave belt. Itís on a Rivett 1020S.


    Sent from my iPhone using Tapatalk
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    The test I just posted? The resistance test in...

    The test I just posted? The resistance test in the first post?


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    Sounds fine, doesn't vibrate, comes right up to...

    Sounds fine, doesn't vibrate, comes right up to speed. Full data plate below. Very hard to read. It says:


    TYPE V0-J
    Volts 220/440
    Min RPM 500
    Max RPM 3470
    PH 3
    Code H
    Design B
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    Ripperj and SAF thanks. SAF I didnít realize...

    Ripperj and SAF thanks.

    SAF I didnít realize manufacturers didnít use those tags. I think as a first step Iím going to at least disconnect all the leads and verify that there isnít a gross...
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    Thatís a curious question you asking about 3 and...

    Thatís a curious question you asking about 3 and 6 being backward. If that were the case and I hooked up only a single set of windings as you suggest, what would the result be. I wouldnít think it...
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    I do find it odd that where the wires exit the...

    I do find it odd that where the wires exit the motor there are 3 rows of 3 holes for the 9 wires. I would expect the top right hole to have wire number 3 coming from it and itís got the tag for 4 on...
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    I agree. Canít hurt to pull the bundles apart...

    I agree. Canít hurt to pull the bundles apart and just verify that they are labeled correctly.

    Here are the tags and where the wires exit the motor.
    ...
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    Just went over and looked at the tags. Theyíre...

    Just went over and looked at the tags. Theyíre pretty darn clear. Definitely no way to mistake the 5 for a 6 or a 9. The 6 and 9 tags however do not have an underscore below the number so i...
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    Testing 3 Phase Motor Windings

    Below is the diagram. Itís pretty clear. There are 9 wires coming out of the motor. My understanding is that 10, 11, and 12 are permanently tied together inside the motor. I get that tying 4, 5,...
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    Testing 3 Phase Motor Windings

    Getting the motor out is the issue. On a lathe. Everything about it SEEMS ok except it bogs taking a .040 cut which seems light. It otherwise runs at the rated speed and makes no noise.

    Sent...
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    Thanks. Iíll try that. Sent from my iPhone...

    Thanks. Iíll try that.


    Sent from my iPhone using Tapatalk
  20. Any other L0 stuff? Sent from my iPhone...

    Any other L0 stuff?


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    What Iíve done wouldnít reveal a broken winding?...

    What Iíve done wouldnít reveal a broken winding?


    Sent from my iPad using Tapatalk
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    Testing 3 Phase Motor Windings

    I have a 5hp, 3 phase, dual wound motor. It has 9 leads. For 220, it is supposed to be wired

    L1, 2, 8 tied together
    L2, 1, 7 tied together
    L3, 3, 9 tied together
    4, 5, 6 tied together.

    I'm...
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    CR1 and CR2 are used solely for machines with the...

    CR1 and CR2 are used solely for machines with the stop rod circuit.
    CR3 and CR4 are used solely for machines with a 220V speed control motor.

    In the transformer section the forward (F) and...
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    Bought one of these a couple of months ago. ...

    Bought one of these a couple of months ago. Great quality. Was shocked at how large it was for an L0 spindle.


    Sent from my iPad using Tapatalk
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    Rivett 1020S- Wiring Diagrams

    Iíve been troubleshooting an issue with my lathe with regards to the main motor. I think Iíve likely narrowed it down to the motor itself but Iím unsure what the actual problem might be. Iím able to...
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