[Jukebox-list] Help! Rock Ola Tempo 2 Jukebox speed is about 40RPM

[Bill Signor]

Ray,

Will get in there and check further. Will keep you posted.Thanks for your 
help.
Bill
----- Original Message ----- 
From: "John Travelletti" <johntrav at suddenlink.net>
To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
Sent: Sunday, November 04, 2007 8:02 AM
Subject: Re: [Jukebox-list] Help! Rock Ola Tempo 2 Jukebox speed is about 
40RPM


> Ray,
> One more suggestion. If your turntable motor does have a "stepped" 
> armature and the idler is running on the smaller diameter, the three 
> rubber motor mounts may be compressed from age, allowing the motor to drop 
> down. I find this to be the case with older Rowe jukeboxes. I haven't 
> located correct replacements yet, but a temporary fix is to remove the 
> e-clip retainers one at a time, push the motor up, and slip a 3/16" flat 
> washer under each e-clip to keep the motor where it belongs. The downside 
> may be an audible motor rumble. Rowe and Rockola turntable motors are 
> identical except for the step, and the rubber mounts are identical except 
> for the color.
> ----- Original Message ----- 
> From: "Ray Finch" <babylon at swcp.com>
> To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
> Sent: Saturday, November 03, 2007 6:10 PM
> Subject: Re: [Jukebox-list] Help! Rock Ola Tempo 2 Jukebox speed is about 
> 40RPM
>
>
>> Hi Bill,
>>
>> Funny it's called a Rock Ola Tempo and it's running slow! <G>  I pulled 
>> up a pic of it on Google - good looking machine!
>>
>> If it uses a 115V AC motor, then almost certainly the replacement idler 
>> wheel is the wrong size or has another issue.  The speed of an AC 
>> (brushless) motor is set by the frequency of the AC current (60Hz).  As 
>> long as the motor is getting 60Hz it can't go any faster or slower.  The 
>> only thing that could cause it to go slower is friction - or appear to go 
>> slower would be an issue with the idler wheel.  Does the motor spin 
>> freely by hand?  Have you tried putting the old idler wheel back on?  If 
>> the old idler wheel runs the turn table at the right speed then there is 
>> an issue with the replacement idler wheel.
>>
>> One other possibility: Does the motor shaft have two levels on it, one 
>> smaller than the other?  If so then perhaps the new idler wheel is 
>> elevated and riding on the smaller (33-1/3) level.  That would certainly 
>> make the turntable run slower even if everything else seems okay.  Check 
>> to see where the idler wheel lands on the motor shaft.
>>
>> Is there some space between the top of the new idler wheel and the "C" 
>> clip holding it on?  If so then perhaps the idler wheel is riding up when 
>> the motor is on causing it to run on the 33-1/3 level.  If that is the 
>> case then you might need some washers between the idler wheel and the "C" 
>> clip.  On a recent Rock-ola I put back together a replacement idler wheel 
>> _almost_ rode on the 33-1/3 level.  Putting a couple of washers on over 
>> the idler wheel fixed that.
>>
>> Does this jukebox support 45RPM and 33-1/3RPM?  Maybe it is stuck in the 
>> 33-1/3 mode?
>>
>> Ray Finch
>>
>>
>> On Sat, 3 Nov 2007, James McClave wrote:
>>
>>> Bill, a couple of possibilities here. Are you sure you replaced the
>>> idler wheel with the correct size ?  Also ,  you might try plugging in
>>> the turntable direct to 115V  to see if there is any change, thus
>>> eliminating anything in your power supply.  For a temporary fix you can
>>> increase the diameter of the motor end piece which engages with your
>>> idler wheel by neatly wrapping some cloth-type electrical tape around
>>> the end piece. To get 5 more rpm, one time around or two times around
>>> should get it.  You can achieve the same effect by putting a layer of
>>> the same type tape on the inside rim of the turntable itself.  These are
>>> just temporary "fixes" to get it up to speed. The motor itself may be
>>> going bad , possibly a complete dis-assembly of the motor , cleaning and
>>> lubing may be required.   Jim
>>>
>>> E-mail us at: trollmasters at webtv.net
>>>
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>>>
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>
>
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