Garrard 2025TC speed problems - UK Vintage Radio Repair and Restoration Discussion Forum

RojDW48 · 27th Jul 2022, 4:37 pm

The idler wheel appears to be way out of alignment with the drive spindle - eg - to get 33rpm it is set to 75rpm! I can't see any way of adjusting the alignment. Hopefully that's just me being dim - advice very welcome.

Roger

peter_sol · 27th Jul 2022, 5:35 pm

I expect it is the usual problem of the motor being too low due to the grommets sagging.

electrogram · 27th Jul 2022, 6:51 pm

It looks Asif the idler wheel is not parallel to the motor pulley, the arm on which the idler wheel is mounted is twisted out of true ?

John10b · 27th Jul 2022, 7:07 pm

That was my first impression.
John

Audio1950 · 27th Jul 2022, 7:10 pm

Quote:

Originally Posted by John10b

That was my first impression.
John

And mine!

Barry

teetoon · 27th Jul 2022, 9:12 pm

Hi Roj. There is a spring steel adjuster on the part in your first picture.
You slide it up or down to make the wheel line up with the centre of the pulley step.

Having said that, in the second picture it looks as though the pulley bracket may be bent upwards.
If you take the wheel off you will be able to see if it's straight or not.

David.

john600601 · 28th Jul 2022, 5:19 pm

I have seen this before, I always assumed they'd been dropped or bent in transit, on the ones I've had I've carefully bent it back into position (so the wheel should be totally horizontal) and nothing ever snapped and it was ok thereafter.

vidjoman · 28th Jul 2022, 6:09 pm

Bent bracket often caused by just pushing the turntable down without gently lowering and turning to allow the idler wheel to slip underneath.

RojDW48 · 28th Jul 2022, 8:58 pm

Thank you chaps. I think the bent bracket is an optical illusion - it looks quite square in the flesh. I shall investigate David's suggestion soon as poss.

RojDW48 · 4th Aug 2022, 11:58 pm

Spot on David - the spring adjuster is quite weak, but just about holding. Also - yes the bracket was a little bit bent - how that happened is a mystery - it's not at all feeble. All lined up now, but a bit slow at all speeds - I guess it's just worn out.

joebog1 · 5th Aug 2022, 12:12 am

That could be lubrication of both motor AND idler wheel. Also make sure the idler is not slipping on the motor pulley.

Joe

27th Jul 2022, 4:37 pm	#1
RojDW48 Nonode Join Date: Jun 2014 Location: Bristol, UK. Posts: 2,074	Garrard 2025TC speed problems The idler wheel appears to be way out of alignment with the drive spindle - eg - to get 33rpm it is set to 75rpm! I can't see any way of adjusting the alignment. Hopefully that's just me being dim - advice very welcome. Roger Attached Thumbnails __________________ '....don't go mistaking Paradise for that home across the road!' (Bob Dylan)

27th Jul 2022, 5:35 pm	#2
peter_sol Octode Join Date: Aug 2003 Location: Welwyn Garden City, Herts. UK. Posts: 1,906	Re: Garrard 2025TC speed problems I expect it is the usual problem of the motor being too low due to the grommets sagging.

27th Jul 2022, 6:51 pm	#3
electrogram Heptode Join Date: Jul 2008 Location: Hereford, UK. Posts: 719	Re: Garrard 2025TC speed problems It looks Asif the idler wheel is not parallel to the motor pulley, the arm on which the idler wheel is mounted is twisted out of true ?

27th Jul 2022, 7:07 pm	#4
John10b Nonode Join Date: Nov 2016 Location: Aberaeron, Ceredigion, Wales, UK. Posts: 2,882	Re: Garrard 2025TC speed problems That was my first impression. John

27th Jul 2022, 9:12 pm	#6
teetoon Heptode Join Date: Dec 2010 Location: Barnstaple, N.Devon, UK. Posts: 557	Re: Garrard 2025TC speed problems Hi Roj. There is a spring steel adjuster on the part in your first picture. You slide it up or down to make the wheel line up with the centre of the pulley step. Having said that, in the second picture it looks as though the pulley bracket may be bent upwards. If you take the wheel off you will be able to see if it's straight or not. David.

28th Jul 2022, 5:19 pm	#7
john600601 Pentode Join Date: Nov 2003 Location: Craven Arms, Shropshire Posts: 111	Re: Garrard 2025TC speed problems I have seen this before, I always assumed they'd been dropped or bent in transit, on the ones I've had I've carefully bent it back into position (so the wheel should be totally horizontal) and nothing ever snapped and it was ok thereafter.

28th Jul 2022, 6:09 pm	#8
vidjoman Dekatron Join Date: Jun 2013 Location: East Sussex, UK. Posts: 3,325	Re: Garrard 2025TC speed problems Bent bracket often caused by just pushing the turntable down without gently lowering and turning to allow the idler wheel to slip underneath.

28th Jul 2022, 8:58 pm	#9
RojDW48 Nonode Join Date: Jun 2014 Location: Bristol, UK. Posts: 2,074	Re: Garrard 2025TC speed problems Thank you chaps. I think the bent bracket is an optical illusion - it looks quite square in the flesh. I shall investigate David's suggestion soon as poss. __________________ '....don't go mistaking Paradise for that home across the road!' (Bob Dylan)

4th Aug 2022, 11:58 pm	#10
RojDW48 Nonode Join Date: Jun 2014 Location: Bristol, UK. Posts: 2,074	Re: Garrard 2025TC speed problems Spot on David - the spring adjuster is quite weak, but just about holding. Also - yes the bracket was a little bit bent - how that happened is a mystery - it's not at all feeble. All lined up now, but a bit slow at all speeds - I guess it's just worn out. __________________ '....don't go mistaking Paradise for that home across the road!' (Bob Dylan)

5th Aug 2022, 12:12 am	#11
joebog1 Banned Join Date: Jun 2015 Location: Mareeba, North Queensland, Australia Posts: 2,704	Re: Garrard 2025TC speed problems That could be lubrication of both motor AND idler wheel. Also make sure the idler is not slipping on the motor pulley. Joe