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The capstan drive roller on my tape deck fell apart. Spindle is .0975" dia. Pinch roller is .862" dia. All other belts and rollers seem OK. Where can I find a replacement capstan roller? Thanks.

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  • Don Whiteman Oct 06, 2010

    Didn't realize I needed to put model in 2 places. It's a Realistic SCT-24.

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You need to locate the supplier of pinch rollers that will fit your tape deck. If that fails, you have a useless piece of gear. If the unit is of decent quality, you should be able to locate a supplier. You didn't include the make or model, so good luck.

Posted on Oct 07, 2010

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1 Answer

After belt replacement and head cleaning it sounds like a warbled and slow running tape deck


Belts are not the only things needed as this question points out. The capstan bearing needs oil, the motor bearings need oil, the Pinch Roller pressure needs to be right and the pinch roller clean. Capstan shaft has to have some grip and can not be glazed when it is suppose to be matte surface to start. What is the model number?

Feb 12, 2016 | Audio Players & Recorders

1 Answer

Tape not turning. How to fix


There are several things in a tape deck that move when it is playing or recording. There are wheels on the spindles that take up the tape and those wheels are run by rubber belts. The belts get old, break or stretch. The other thing is the capstan. The capstan is a pinch roller that presses against a metal post. That post is the drive motor for the tape. The capstan roller can be worn or cracked, the motor might also not be working,

Jan 30, 2015 | Audio Players & Recorders

1 Answer

Capstans


The problem sound like a slipping belt but also the flywheels are expected to be oiled as in taken out and oiled then the Pinch Rollers too.

Feb 17, 2014 | Audio Players & Recorders

1 Answer

Reel to reel will not play


You do not mention the brand or model number which to answer the question effectively is needed- different machines are designed in different ways. The function of the fast wind and the play mode only differs in that in play a capstan is involved that regulates the speed and the reel motors just do the take-up of taper and a little back tension for the supply reel. You may have either a sticky Pinch Roller linkage or a non- rotating capstan shaft that might point to a loose or broken capstan drive belt. There are also the condition of the Pinch Roller surface and the surface of the Capstan shaft that can be glazed or rubber hard and non-compliant. The rubber Pinch Roller can be re-rubbered, the capstan shaft can be reconditioned and the Capstan Belt can be replaced. Capstan bearings and motor bearings need oil once a year as well. I hope this helped to some extent- I have been working on decks now for better than 40 years.

Dec 12, 2012 | Audio Players & Recorders

1 Answer

Thaks for helping. My tape deck door has suddenly stopped working. the tape is inside and when i turn on the wpower there is a clicking sound. it is a TEAC AD-500 CD player/reverse cassete deck


Without physically looking at the cassette deck myself, I cannot be 100% sure the tape is wrapped around the pinch roller and capstan. The capstan is the chrome rod which the rubber pinch roller pushes to regulate the speed of the tape moving across the head. However it is approximately a 90% chance the take up reel for the tape stopped working from a bad tape or a loose belt which drives the tape take up reel. The clicking sounds like it could be the auto reverse solenoid because it thinks the tape has reached the end of play. The fun part is to remove the tape which you may have to disassemble the front panel if you cannot gain access to the tape from the top or bottom. You will need to cut the tape and remove it from the capstan and pinch roller to open the cassette door. Sometimes you can remove the capstan to free the tape. Once you have cleaned all the tape out of the unit make sure the belt for the take-up is good. If it is glazed, cracked, loose or broken order a belt. Clean all the pulleys and capstan and replace the belt. Your unit should be functional after the above procedure.

Jul 14, 2011 | Teac R-H300 Dual Cassette Deck

3 Answers

My Nakamishi Cassette Deck 2 is eating tape. It switches off when it does, but how can I fix this? From the look of it this cassette deck has the same cassette drive as the DR-8. Is that correct?


It could be the take up spindle does not have enough torque causing the tape to bunch up after the capstan. If you open up the unit you will notice ether belts or rollers for the tape drive. If it has belts you can replace the belt after cleaning the pulleys. If it has rollers you may be able to clean them with a rubber cleaner (not alcohol which will dry the rubber and cause glazing). Make sure the capstan and the pinch roller is clean using a rubber revitalizing cleaner on the pinch roller. "Goof off" from a hardware store is great for the capstan if it has a lot of metal oxide on it.

Feb 24, 2011 | Nakamichi DR 8 Single Dual Cassette Deck

1 Answer

I have TEAC A 4010. Motors are running, belts are ok, but tape does not turn. When I push on the capstan the tape wants to turn, but stops.


Ensure the rubber pinch roller presses the tape against the capstan drive shaft....ensure the capstan drive motor is turning..and the belt to the flywheel is snug, and not slipping. the tape transport engage relay might be stuck...a relay maybe corroded ...may need cleaning. Without seeing it cant say clearly what may be the problem. also ensure the tape tension/shut-off arm is under tension by tape that is correctly installed.

Oct 27, 2009 | Audio Players & Recorders

1 Answer

Eating tapes


Chances are that that "milky substance" has gummed up the works. Sounds like the pinch roller (the rubber wheel that draws the tape through the machine) may have gunk on it, so when you put a tape in and push play, the tape sticks to it, and simply wraps the tape rounmd and round.... eating the tape - as you say. The capstan SHAFT (see below) could also be dirty. Another possibility is that the take up spool (in the machine) is gunked up so it won't turn - so that the tape is spooled OUT of the cassette and is scrunched up inside the machine and the machine eats it.

There are OTHER scenarios, BUT ALL (including the above) require taking the machine apart and throughly cleaning it with alcohol (or - depending on what you're cleaning - even soap and water!).

Cleaning the capstan pinch roller and the capstan SHAFT concievable could solve your problem. The capstan shaft is the shiny metal shaft that pulls the tape through; the pinch roller "pinches" the tape AGAINST the capstan shaft which is how the tape plays.)

It's hard to "get in there" to do this cleaning (not to mention even SEE what's going on) short of taking the mache apart.

Mar 15, 2008 | Audio Players & Recorders

1 Answer

Noisy capstan which runs continously


most tape decks are designed so that the spindle will run when powered on. when you press play or record, the pinch roller elevates the tape to the spindle, tape starts to travel.

noise is basically from the mechanism, or deteriorated in time as yours is an used one. if you are lucky to find some good pinch roller rubbers of same diameter, replace them.

pc-cook

Jan 15, 2008 | Audio Players & Recorders

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