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Disc-spin (turntable) motor (lubrication and procedure)
Disc-spin (turntable) motor (lubrication and procedure)
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Old 11th August 2019, 02:53 AM   #1
hollowman is offline hollowman  United States
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Default Disc-spin (turntable) motor (lubrication and procedure)

A question arose on another forum regarding a YouTube video instructing "students" on ways to lube disc-spin motors (aka turntable motor).
The vlogger used a modern Sony DVD player as an example. He simply used hypodermic-needle oiler with common 3-In-One machine oil.

Let's re-phrase the issue in a context more relevant to DIYA. E.g., turntable motors of classic Philips, Sony, etc. CD players. Namely, WHAT to use and WHEN to use it.
Looking at the Service Manual of myriad Philips CDPs, I see no mention of a turntable-lube procedure. Was there special service bulletins on this topic?
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Old 11th August 2019, 03:19 PM   #2
hollowman is offline hollowman  United States
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Just to clarify ... it's the spindle motor:

Click the image to open in full size.
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Old 11th August 2019, 10:49 PM   #3
ianp is offline ianp  United States
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I have heard that some folks use sewing machine oil on turntable motors. Generally, this is not for routing maintenance though, but after they have used something like switch cleaner or are otherwise trying to help a motor.

I imagine that all of the service manuals are going to treat the motors as self-lubricating and disposable, so they will likely instruct to replace rather than try to repair.
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Old 16th August 2019, 09:08 PM   #4
hollowman is offline hollowman  United States
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I suspect that smooth rotation STABILITY of that spindle motor is somewhat important to error correction and jitter.
High end players used Hall-effect motors for that reason.
For motors such as those found in computer cooling fans, I've had very good results with 3-in-One oil (sewing machine oil?)
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Old Today, 09:09 AM   #5
Mike P is offline Mike P  England
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I just use a very small o amount of light oil on the top bearing, very occasionally.

On better players with Hall-effect motors it is easier to strip the motor, clean it and re-lubricate it.

I use a high quality synthetic air compressor oil for motor bearings as it doesn't contain any additives which could be harmful so sintered bronze bearings.

A precision oiling pen makes life much easier:
Watch Oiler 6g precision lubricating oil pen INCLUDES SPECIALIST OIL | eBay
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