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Shimano Spheros 4000FA - Vibration/Grinding, and a Bail Question

post #1 of 8
Thread Starter 

I searched the forum and didn't find anything quite like this issue for a spheros so I gratefully ask for some insight.

 

Issue - well used but solid Shimano Spheros 4000FA has gradually developed a vibration the transmits down the handle while cranking.  I hesitate to call it grinding but if you crank very slowly you can feel, the tick, tick, tick, tick, of the gears going roughly together or, seems less likely, a bearing rolling roughly in its housing.  The reel is in very good shape otherwise but the vibration has gotten to the point where if you use it for even a few minutes your fingers start to go numb from the vibration/grinding.  Mixed into the vibration there is a light "clunk" each time the reel spool descends to its lowest point in its up/down oscillation then begins upward again.  There is also a faint "click" when the spool reaches the top of its oscillation.  In general, the reel spins freely if you give the handle a good spin, not like it is jamming up or anything like that.

 

Bail Question - both of my Spheros do this now: when the bail is flipped close (I do it by hand not by cranking) it often goes right past the normal stop point.  Evan after bail is closed and in correct position you can easily push the bail down 45 degrees.  More of an annoyance than anything major but I bet this is an easy fix, yes?

 

I know I could send it back to Shimano but I feel like trying to fix it myself.  And along this line for anyone out there who does all their own reels  - is there any real savings to repair your own reels when Shimano usually only charges around $25?  Or it is mostly a matter of satisfaction of being able to do it yourself?  Thanks for any assistance!


Edited by mumichog - 12/12/11 at 1:34pm
post #2 of 8
Quote:
Originally Posted by mumichog View Post

I searched the forum and didn't find anything quite like this issue for a spheros so I gratefully ask for some insight.

Issue - well used but solid Shimano Spheros 4000FA has gradually developed a vibration the transmits down the handle while cranking.  I hesitate to call it grinding but if you crank very slowly you can feel, the tick, tick, tick, tick, of the gears going roughly together or, seems less likely, a bearing rolling roughly in its housing.  The reel is in very good shape otherwise but the vibration has gotten to the point where if you use it for even a few minutes your fingers start to go numb from the vibration/grinding.  Mixed into the vibration there is a light "clunk" each time the reel spool descends to its lowest point in its up/down oscillation then begins upward again.  There is also a faint "click" when the spool reaches the top of its oscillation.  In general, the reel spins freely if you give the handle a good spin, not like it is jamming up or anything like that.

Bail Question - both of my Spheros do this now: when the bail is flipped close (I do it by hand not by cranking) it often goes right past the normal stop point.  Evan after bail is closed and in correct position you can easily push the bail down 45 degrees.  More of an annoyance than anything major but I bet this is an easy fix, yes?

I know I could send it back to Shimano but I feel like trying to fix it myself.  And along this line for anyone out there who does all their own reels  - is there any real savings to repair your own reels when Shimano usually only charges around $25?  Or it is mostly a matter of satisfaction of being able to do it yourself?  Thanks for any assistance!

Its satisfaction and a time saver by doing it yourself and most repairs and maintenance are super easy. First off i would open it up and take a look, you should have the schematics. with the side cover off observe it's operation and it should not be difficult to see where the trouble is. I have not worked on the Spheros models.
post #3 of 8
Thread Starter 

IMG_0819.JPGIMG_0818.JPG

 

Disassembled  reel, pretty easy really.  Anyway, bearings all feel smooth, the gears look decent but upon close inspection the tops of the gears are worn a little flat - could be the problem that's causing the light grinding/vibration?  The anti-reverse bearings didn't seem all that smooth but the way they are positioned under the rotor it doesn't seem they could be causing the problem plus it's hard to tell with them since they're meant to only turn freely in one direction - right?  Here are the best pics out of bunch that I took of the gears.  I hope they show enough.  Thanks.

post #4 of 8
New to the maintenance end of things, but needed badly ! Is there a trick to taking off the side cover plate ? screws are out, but wonder if the spool needs to come off.

Any help is appreciated
post #5 of 8
Thread Starter 

The side plate should come off by itself on most reels - it did on the Spheros (after taking handle off of course).  But to take anything apart inside in a meaningful way you usually have to remove the spool and then the rotor and sometimes the main shaft.  On the Spheros I discovered by experimentation that there is a split plate under the rotor mounted on a rubber strap that must be 'peeled' away from reel with half of the plate to get the gears to come out easily.  If you search youtube you can find several generic how to vids on dismantling/cleaning a spinning reel.  It the case of the Spheros there wasn't much to it really.  if you knew what you were doing you could have the whole thing apart in a few minutes.

post #6 of 8
Thanks ! I will have a go at it, and see what happens. I have heard of the same problem you mentioned, with the vibration / grinding and experienced it myself. It started happening after a good size fish was brought in, which I read about the same thing happened to another person with the 4000fa
post #7 of 8
Quote:
Originally Posted by Birdsnest View Post

Thanks ! I will have a go at it, and see what happens. I have heard of the same problem you mentioned, with the vibration / grinding and experienced it myself. It started happening after a good size fish was brought in, which I read about the same thing happened to another person with the 4000fa

It's a good idea to take it apart slowly if you have not done it before, and do it on a foam or soft surface because small parts will disappear if dropped. Have the schematics in front of you and go slow observing how everything fits together.

If any parts seem complicated you can draw on a piece of paper how they are supposed to fit so your not at a loss when reassembling. Clean all the old grease out of the reel and examine high wear parts and replace if needed, make sure you apply new grease to the parts that require it and oil for those areas that require oil. If replacing the main gear, then the pinion should always be replaced also, never just one.
post #8 of 8
Thanks for the information. Was able to take the advice, and not lose a single part. Probably not the best of jobs, but satisfying to do the work myself, and feel the improvement. All reels serviced, and even got to open up and re lube my Dad's old Garcia Mitchell.

The Spheros seemes much smoother, hope there will be another nice size fish on it to challenge it...
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