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NEAT NP-801 Motor Issue

H

Humungus1138

New Member
Good Day,

Finally have the time to start fiddling with vintage equipment again!

I recently picked up a NEAT NP-801 in pretty decent condition. After cleaning it up and lubricating the motor I fired it up for this time. I am only getting about 25 rpm when set to 33 and there is a bit of rumble/grind sound to the motor.

The idler wheel seems to be in OK shape, a bit hard maybe but I dont think its slipping.

Any advice on what might be going on here? Just sat to long and there is corrosion that needs to be dealt with.

I'm willing to take a stab at it if I know what to look for.

Thanks,

Roger
 
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Sounds like a motor rebuild is in your future. Have not done one on a Neat table but experienced something similar on a TD124. Rebuilt it and now it’s spot on. My guess is gunked up lubricant.
 
What is involved in general in rebuilding an electric motor like this? I have rebuilt car engines but not electronics?

The motor actually seems fairly quiet, most of the noise is coming from engaging the idler wheel but the RPMs are too low at every speed.
 
I have no experience with the Neat NP801 but I have been a P58H user for over 15 years and have yet to encounter motor issues from the 2 units in my stash. Re: noise - since your motor is quiet check for excessive play in the idler wheel bearing. If not, clean, lubricate and/or install new phenolic washers (top and bottom).

Trouble-shooting would be much easier if you have access to a laser tachometer which cost $15-20 from the internet. Typically a good idler drive motor spins quietly at 1800 rpm. If your model is similar to mine, look into adjusting the tension of the idler wheel contact to the inner rim of the platter and motor pulley as pictured below.

P58H.jpg

Hope this helps!

JE
 
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make sure the inside of the platter where the wheel makes contact is clean, very clean
 
Also, there should be some sort of start up capacitor. Make sure you test it to make sure its still good. I had a Nivico SRP-371E and the startup capacitor would start the motor up but then would slow down half way through the first song to 32.9 and stay there. Once i changed it with something of equal value it functioned fine and has ever since.

They call it a start up capacitor but what it really does is keeps the motor running.
 
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