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Old 06-02-2019, 10:37 AM   #31
Raystar57
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Default Re: Another mysterious problem for the xperts

In response to the motor brushes as Fairtax stated the easiest way is to park the brushes with the spring on the side and then install the brush plate hold down.
Then ease off the spring, lower the brush and locate the spring on top of the brush.
Sounds like this is leaning to be a bad solenoid as stated but a good motor checkout and cleanup won't hurt.
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Old 06-02-2019, 12:53 PM   #32
Mooncarter
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Default Re: Another mysterious problem for the xperts

Quote:
Originally Posted by CP241 View Post
Maybe I'm under thinking it, but I'm still caught up on this. If the solenoid clicks, but theres no beeping (no continuity) between the 2 large posts, the solenoid is bad. Test the motor all you want, it's not going to change the fact that it's not getting the juice it needs to turn.

Am I missing something or just over simplifying?
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Old 06-02-2019, 01:54 PM   #33
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Default Re: Another mysterious problem for the xperts

Wow, Great you guys have been a great help. Yall have went over and beyond. I will check these today and check back with results.
John
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Old 06-02-2019, 02:26 PM   #34
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Default Re: Another mysterious problem for the xperts

Ok as per the instructions above,

A1 to A2 is NO BEEP<----
F1 to F2 is BEEP

Everything is checks out. I did not proceed to running power to motor as of yet. Assuming no beep from a1 to a2 is a problem.
John
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Old 06-02-2019, 06:44 PM   #35
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Default Re: Another mysterious problem for the xperts

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Originally Posted by sicrx69 View Post
Ok as per the instructions above,

A1 to A2 is NO BEEP<----
F1 to F2 is BEEP

Everything is checks out. I did not proceed to running power to motor as of yet. Assuming no beep from a1 to a2 is a problem.
John
Yes it is. The armature has an opening somewhere as you should have continuity there.
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Old 06-04-2019, 08:38 AM   #36
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Default Re: Another mysterious problem for the xperts

This could be a stuck wore out brush or a broken wire from stud to brush.
WalterM6 brought this up in post #3.
I would open the motor up and inspect it.
Best to remove it from the cart.
It will be dusty, use a mask when blowing it out.
Post some pics of the motor so we can evaluate.
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Old 06-04-2019, 02:18 PM   #37
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Default Re: Another mysterious problem for the xperts

I think this info Nole posted should be a sticky, clean and clear.
( PS: I hate to give a Nole credit, UofL Cardinal season ticket holder here. )


Quote:
Originally Posted by NoleFan4Ever View Post
Here are the instructions I give everyone for testing Sepex/Series motors. Place the Run/Tow switch in "Tow", (If you have one) then disconnect the pack and then all the cables from the motor. (Be sure to double wrench every motor post/stud when breaking them lose or you may break them off. Spray them down with penetrating oil prior to doing it). If you have a Series motor it will have S1/S2 in place of F1/F2.

Get out your DVM and set it to the Continuity setting and:
- Test between A1 and A2 (Beep)
- Test between F1 and F2 (Beep)
- Test between A1 and F1 (No Beep)
- Test between A1 to Motor Case (No Beep)
- Test between F1 to Motor Case (No Beep)

Now flip your meter to Ohms/Resistance and:
- Test between F1 and F2 and you should get 1.0 to 1.6 Ohms (Sepex only)

If all those are correct as stated above then you can test the motor:

To test run a Series motor:
With all cables removed from the motor, jack the cart up at the rear and connect a jumper from A1 to S1. Then connect 12 volts positive to A2 and 12 volts negative to S2. (swap S1 and S2 to change rotation direction) You may want to have a disconnect switch in-line with the power supply as some do and some do not....

To test run a Sepex (regen) motor:
With all cables removed from the motor, jack the cart up at the rear and connect a jumper from A1 to F1 and then a jumper from A2 to F2. Connect 12 volts positive to A1/F1 and 12 volts negative to A2/F2. (swap polarities to change motor rotation) You may want to have a disconnect switch in-line with the power supply as some do and some do not.... And remember that you are only "testing" the motor so you don't want or need to engage it very long.

This is applicable for either type motor as long as you pay attention to which you have.
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Old 06-04-2019, 02:29 PM   #38
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Default Re: Another mysterious problem for the xperts

Just one small clarification if anyone actually tries to switch rotation direction on the Sepex test.

You need to connect A1 to F2 and A2 to F1 in order to change the direction of rotation.

Like in a Series motor, where the positive and negative power goes does not affect the rotation direction, only the polarity difference between the winding.
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Old 06-04-2019, 11:32 PM   #39
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Default Re: Another mysterious problem for the xperts

Quote:
Originally Posted by swm63 View Post
I think this info Nole posted should be a sticky, clean and clear.
( PS: I hate to give a Nole credit, UofL Cardinal season ticket holder here. )
Well at least you are not a Gator...
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Old 06-05-2019, 01:52 AM   #40
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Default Re: Another mysterious problem for the xperts

Since we are on this topic. Has anyone ever had a motor that would run in one direction when testing and not the other? I have not.
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