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Hi all I've had my turntable now for about 2 years, hardly used it tbh. I've more recently been using it but it's has started being slow. I have took the table off cleand the belt and and removed any excess grease and it's perfect for about 5 mins and then it going slow again. Any ideas... maybe the belt ?
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It sounds more of a lubricant issue here as the bearings build friction and then get tight. Try spraying some WD40 into the tables bearings and the motor axial as well. These o,d units often have a speed regulator either friction or a centrifugal governor. See if they are clean nd might need lube as well.
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WD40 is a solvent with great short term use and effects.
I would personally go find an appropriate grease. It offers longer and better protection. It will not break down and dry out nearly as fast as any spray. And a toothpick for tiny component application trumps spraying solvent on everything.
I spray it on everything because i like the smell of WD40.
@thrasson - A car/truck axle uses grease, watches/cameras and turntables need very light oil, you don't want a thick viscose grease.
WD40 is a light oil it is not a solvent! Oils can act as a cleaner as then can displace other petroleum based materials.
And yes light weight oils do tend to evaporate over time and can get gummy as well.
There is one oil which is ideal for delicate mechanisms, Sperm Whale oil. While you can't legally buy it any more! But the synthetic version is quite good.
make sure your belt (if you have one) is not loose or incorrectly placed. These two faults cause slipping, and reduce speed.
Next would be the drive line for the belt turning, weak motor, dust/debris in your plater (you mentioned you took care of this but i have to add it again sorry.)
and on some turn tables there's an actual switch for adjusting the speed of your record (because not all are the same size and need to be played at different speed to have correct sound)
SP - short play
LP - Long Play
Know what size your record is, flip the switch to the matching label.
Power supply is weak - Like you mentioned, "starting fine, then slows down after 5 minutes." To me this sounds like your main culprit. It's like a short life battery. you turn on your record player and the charge is immediate so everything runs smooth, But as time goes by, the input charge is bleeding off somewhere and slowly slowing down your motor to cause your issue.
Lastly, for the love of cheese and fries, warped, damaged, dirty record. any one of these issues will further degrade the record itself, but also cause intermittent faults with your record player. Look at it before you paly it. make sure it is circular and flat. No gouges, dents or significant scratches on its surface. Get rid of the dust before and after playing the record. the nylon/ paper tissue they come with (they should come with) is your dust eliminator. Dust will stick to the paper instead of your record.
That's my blurb.
All of this should be general info in your user manual. anything outside of this would be technician diagnostics with multimeter leads and circuit board testes.
Cheers.
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