Sign in   |  Join   |  Help
Untitled Page

ARCHIVED FORUM -- March 2012 to February 2022
READ ONLY FORUM

This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

TX-2 subplatter scraping on plastic gear beneath

rated by 0 users
This post has 14 Replies | 3 Followers

tgiovanetti
Not Ranked
Posts 1
OFFLINE
Bronze Member
tgiovanetti Posted: Sat, Aug 29 2015 3:43 AM

On my otherwise perfect and delightful TX-2, the aluminum subplatter is scraping against a plastic gear beneath it. There is very close clearance apparently.

Seems that either the plastic bearing is worn down or the subplatter has become warped. It might be easier to have the subplatter machined than to find a replacement plastic bushing. I tried to get the bushing out but couldn't figure out how.

Any suggestions?

Thanks in advance.

  • Filed under:
McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member
McGruse replied on Thu, Aug 17 2017 10:49 PM

Hi

I have the same problem with my BG4500. Doesn´t seem to be adjustable? It also causes friction somewhere on the main spindle so the platter can´t spin freely. Is the bushing replaceable? It can be moved up and down but not pulled out of the "cylinder".

/Sven

joeyboygolf
Top 25 Contributor
Ely, Cambridgeshire, UK
Posts 4,188
OFFLINE
Bronze Member

McGruse:

Hi

I have the same problem with my BG4500. Doesn´t seem to be adjustable? It also causes friction somewhere on the main spindle so the platter can´t spin freely. Is the bushing replaceable? It can be moved up and down but not pulled out of the "cylinder".

/Sven

This is a common problem and is adjustable. Do not try to replace anything.

The procedure is explained in the service manual which is available on site to silver and gold members. 

 

Regards Graham

McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member
McGruse replied on Fri, Aug 18 2017 10:46 AM

joeyboygolf:

McGruse:

Hi

I have the same problem with my BG4500. Doesn´t seem to be adjustable? It also causes friction somewhere on the main spindle so the platter can´t spin freely. Is the bushing replaceable? It can be moved up and down but not pulled out of the "cylinder".

/Sven

This is a common problem and is adjustable. Do not try to replace anything.

The procedure is explained in the service manual which is available on site to silver and gold members. 

 

If you refer to "turntable height and centering" in the manual that does only adjust the platter in relation to the top plate. I need to adjust the height of the turntable in relation to the driving mechanism.

joeyboygolf
Top 25 Contributor
Ely, Cambridgeshire, UK
Posts 4,188
OFFLINE
Bronze Member

McGruse:

joeyboygolf:

McGruse:

Hi

I have the same problem with my BG4500. Doesn´t seem to be adjustable? It also causes friction somewhere on the main spindle so the platter can´t spin freely. Is the bushing replaceable? It can be moved up and down but not pulled out of the "cylinder".

/Sven

This is a common problem and is adjustable. Do not try to replace anything.

The procedure is explained in the service manual which is available on site to silver and gold members. 

 

If you refer to "turntable height and centering" in the manual that does only adjust the platter in relation to the top plate. I need to adjust the height of the turntable in relation to the driving mechanism.

I think you will find that it lifts the complete mechanism up or down.

http://archivedforum2.beoworld.org/forums/p/14885/130545.aspx#130545

 

Regards Graham

joeyboygolf
Top 25 Contributor
Ely, Cambridgeshire, UK
Posts 4,188
OFFLINE
Bronze Member

Does it rub all the time or only at certain arm positions i.e. towards the end of the record?

Regards Graham

McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member
McGruse replied on Fri, Aug 18 2017 11:03 AM

joeyboygolf:

McGruse:

joeyboygolf:

McGruse:

Hi

I have the same problem with my BG4500. Doesn´t seem to be adjustable? It also causes friction somewhere on the main spindle so the platter can´t spin freely. Is the bushing replaceable? It can be moved up and down but not pulled out of the "cylinder".

/Sven

This is a common problem and is adjustable. Do not try to replace anything.

The procedure is explained in the service manual which is available on site to silver and gold members. 

 

If you refer to "turntable height and centering" in the manual that does only adjust the platter in relation to the top plate. I need to adjust the height of the turntable in relation to the driving mechanism.

I think you will find that it lifts the complete mechanism up or down.

http://archivedforum2.beoworld.org/forums/p/14885/130545.aspx#130545

 

I have some problems explaining it but it is the fly wheel (the skeleton one) that touches the plastic gear, and those are both part of the driving mechanism that adjusts together in that procedure.

Even if i lift the top cover to "service mode" it doesn´t spin as it should.

McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member
McGruse replied on Fri, Aug 18 2017 11:04 AM

joeyboygolf:

Does it rub all the time or only at certain arm positions i.e. towards the end of the record?

It rubs all the time Sad

joeyboygolf
Top 25 Contributor
Ely, Cambridgeshire, UK
Posts 4,188
OFFLINE
Bronze Member

The plastic wheel that you are talking about is the one that drives the string?

Regards Graham

McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member

joeyboygolf:

The plastic wheel that you are talking about is the one that drives the string?

Yes, as seen on this pic I found on Google. My player doesn´t have as much clearance as the flywheel on the picture. That´s the problem.

joeyboygolf
Top 25 Contributor
Ely, Cambridgeshire, UK
Posts 4,188
OFFLINE
Bronze Member

Has your plastic cog still got a C clip holding it in place?

It is common for it to catch on the small metal plate that is part of the set down adjuster but I have never seen a deck where the skeleton rubs on the plastic wheel itself.

Regards Graham

baastad
Not Ranked
Posts 2
OFFLINE
Bronze Member
baastad replied on Fri, Aug 18 2017 11:00 PM

I think this is my exact problem. I have tighten the three screws, so the platter should be in highest possible position, but it still scraping at the end of the record. 

The scraping stops if I lift the back of the tonearm (when the needle if lifted) 

Help, please

baastad
Not Ranked
Posts 2
OFFLINE
Bronze Member
baastad replied on Sat, Aug 19 2017 12:25 PM

Update:

Went out today and bought washers 

Two M8 with some grease did the trick on my TX2

Got this and a Beomaster 1900 for £200 because of this problem

McGruse
Not Ranked
Sweden
Posts 27
OFFLINE
Silver Member
McGruse replied on Mon, Sep 4 2017 5:04 PM

For me it turned out to be nothing wrong but one little embarrassing thing. Since the previous owner took the RIAA card away the he had to connect the signal cable directly to the mute-card. This is a bit to thick to be placed there which can cause it to touch the flywheel. This was in fact the problem in my case - the flywheel got tilted which I didn´t realize right away. I pushed the cable away and now it plays perfectly.

Thanks for the help even though the problem only was me focusing on the wrong side of the player =)

 

/Sven

W.Frankenberg / Gandalf
Top 500 Contributor
Heilbronn / Germany
Posts 290
OFFLINE
Bronze Member

 

 

wilfried

Page 1 of 1 (15 items) | RSS