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Shimano Tiagra Reel Breakdown and Maintenance Video

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Shimano Tiagra Reel Breakdown and Maintenance Video

Old 02-19-2019, 11:33 PM
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Default Shimano Tiagra Reel Breakdown and Maintenance Video

Aloha Everyone,
Here is a video I made the other day on How to break down and service a Shimano Tiagra reel. Hopefully this can help someone save a few bucks. If you have any questions let me know thanks.

C Skip R and luna sea II like this.
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Old 02-20-2019, 10:03 PM
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Any feedback?
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Old 02-20-2019, 11:18 PM
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Mahalo!
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Old 02-21-2019, 03:06 AM
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I'm a little surprised the bearings don't get grease instead of oil. No they won't spin free but every reel I've ever taken apart had grease on the bearings. I don't think a few drops of oil will still be there after even a little hard use.

I wasn't aware Corrosion Block also made/sold lubricants. You can bet I'll check those out.
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Old 02-21-2019, 06:47 PM
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Aloha from Acapulco, tank you for the video, is excellent, here is difficult to find good services, parts and references
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Old 02-21-2019, 07:40 PM
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I've always read (and have seen) the spool bearings get cleaned with brake cleaner (or equivalent) and then oiled. The main bearings (left/right) get packed with grease.

Any reason you don't pack with grease?
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Old 02-23-2019, 10:48 AM
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Originally Posted by Marlinmate1 View Post
I've always read (and have seen) the spool bearings get cleaned with brake cleaner (or equivalent) and then oiled. The main bearings (left/right) get packed with grease.

Any reason you don't pack with grease?

I used to pack them with grease before but i noticed they lost there smoothness pretty fast. I think the main reason for the grease is to just repel the salt if it gets in. Ive been using the corrosion block brand for a few years. Haven't had any problems yet with bearing corrosions. But it defiantly stayed a lot smoother longer. I also service my reels once a year minimum.
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Old 02-23-2019, 10:57 AM
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Morris, do you have videos for penn 50 and 80?
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Old 02-23-2019, 12:11 PM
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Any huge differences with the Tiagra 12’s?

Love this video, I subscribed and liked!

Last edited by CME; 02-23-2019 at 01:34 PM.
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Old 02-23-2019, 01:34 PM
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Love this! I like that folks maintain their own stuff and share how they do it. I have learned quite a bit from stuff like this and really appreciate it. I'm new to fixing and rebuilding reels.....but do have the same question as above. I always was taught that bearing packs get grease...cars, machinery, pulleys....everything i have ever worked on that had bearing sets or packs always got grease not oil. Anyone else us oil in the bearings of reels?

Thanks!
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Old 02-23-2019, 01:49 PM
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How much freespool do you need in a big trolling reel? I cant imagine chunking with a 50 series reel where you need a bunch of freespool to accomplish that.

Most all of us that do this work regularly will break the bearings down, and pack with grease. For smaller reels I have two soak bins....one with TSI-321and the other with CorrosionX.

When I service a Tiagra I use a lot of mineral spirits mixed with WD-40. I keep a six gallon parts washer handy that I will use for reels that have been submerged. That same liquid is used with a small bristle brush to remove all of the old grease from everywhere in and on the reel. The reel gets a light mist of WD40 to neutralize any of the spirits that might have been left behind. Wiped and cleaned and I begin the rebuild. Those bearings would have been brushed clean of all grease, soaked in a dish of CorrosionX, shaken dry and lightly packed with my choice of grease....Amsoil synthetic marine grease.I use a special tip on a 3oz grease gun to apply the grease and work it in with my fingers. That same grease is used in many parts of the reel. Especially anti-reverse pawls and clicker assemblies. There are also two drag lever tension pins, called "free spool detents" that are problematic in Penn Internationals...not so much in Tiagras or Avets, that I also make sure to grease..

Dont forget the handle assemblies. Those two small screws come out and the plate is removed to expose the stem. A few drops of CX and some light grease will do wonders to keep it from seizing...which many do. Tiagras don't, but many handles have two bearings holding the knob to the handle shaft..

A bearing in a heavy trolling reel only treated with oil will start to break down in a year or so. I have removed bearings from reels that have not had a service in 10-15 years that had the bearings packed with grease and they would still be free with no signs of corrosion...

That was a great video showing a lot of detail. Thanks for posting it up....
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Old 02-23-2019, 09:00 PM
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I clean the bearings with kerosene, then blow dry before packing with corrosion block grease.
After installing the bearing, I give it a good squirt of Reel X oil to thin the grease coating the ball bearings.
As Rick mentioned, you’ll never need to cast a heavy reel, so grease in the bearings is not an issue.

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Old 02-24-2019, 11:18 AM
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Originally Posted by Seakab View Post
Morris, do you have videos for penn 50 and 80?

No sorry I don't. Im sure its pretty similar inside. Just open it up slowly and keep notes of where everything goes.
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Old 02-24-2019, 11:19 AM
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Originally Posted by CME View Post
Any huge differences with the Tiagra 12’s?

Love this video, I subscribed and liked!

Im sure it would be pretty similar. Just take your time and go slow. If you have questions just message me.
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Old 02-24-2019, 11:24 AM
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Originally Posted by triumphrick View Post
How much freespool do you need in a big trolling reel? I cant imagine chunking with a 50 series reel where you need a bunch of freespool to accomplish that.

Most all of us that do this work regularly will break the bearings down, and pack with grease. For smaller reels I have two soak bins....one with TSI-321and the other with CorrosionX.

When I service a Tiagra I use a lot of mineral spirits mixed with WD-40. I keep a six gallon parts washer handy that I will use for reels that have been submerged. That same liquid is used with a small bristle brush to remove all of the old grease from everywhere in and on the reel. The reel gets a light mist of WD40 to neutralize any of the spirits that might have been left behind. Wiped and cleaned and I begin the rebuild. Those bearings would have been brushed clean of all grease, soaked in a dish of CorrosionX, shaken dry and lightly packed with my choice of grease....Amsoil synthetic marine grease.I use a special tip on a 3oz grease gun to apply the grease and work it in with my fingers. That same grease is used in many parts of the reel. Especially anti-reverse pawls and clicker assemblies. There are also two drag lever tension pins, called "free spool detents" that are problematic in Penn Internationals...not so much in Tiagras or Avets, that I also make sure to grease..

Dont forget the handle assemblies. Those two small screws come out and the plate is removed to expose the stem. A few drops of CX and some light grease will do wonders to keep it from seizing...which many do. Tiagras don't, but many handles have two bearings holding the knob to the handle shaft..

A bearing in a heavy trolling reel only treated with oil will start to break down in a year or so. I have removed bearings from reels that have not had a service in 10-15 years that had the bearings packed with grease and they would still be free with no signs of corrosion...

That was a great video showing a lot of detail. Thanks for posting it up....
Originally Posted by HughJazz View Post
Love this! I like that folks maintain their own stuff and share how they do it. I have learned quite a bit from stuff like this and really appreciate it. I'm new to fixing and rebuilding reels.....but do have the same question as above. I always was taught that bearing packs get grease...cars, machinery, pulleys....everything i have ever worked on that had bearing sets or packs always got grease not oil. Anyone else us oil in the bearings of reels?

Thanks!
Ive noticed it the past with the grease the bearings get a lot more sticky and not as smooth. With the brand of oil I use I have never had any issue with corrosion or bearing breakdown. Nothing wrong with packing it with grease if that is what you choose. I just prefer to do it this way, works best for me.
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Old 02-24-2019, 04:56 PM
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Hey Morris, thank you for taking the time to show how the reel came apart, that was very informative, some would clean and greese alittle different, and some have favorite materials but for me seeing how easy it was to disassembly will defiantly help me out , thanks for sharing
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Old 02-24-2019, 07:13 PM
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Originally Posted by Morris_Lures_Hawaii View Post
Ive noticed it the past with the grease the bearings get a lot more sticky and not as smooth. With the brand of oil I use I have never had any issue with corrosion or bearing breakdown. Nothing wrong with packing it with grease if that is what you choose. I just prefer to do it this way, works best for me.
I get what you are saying. Modern lubricants wouldn't dry out like the old waxy greases of 50 years ago. I guess if you break a reel down every year it might not matter. I don't even know how many reels I own much less have the time to break them all down every year.

Greasing screw threads works but for a long time I've used SWAK (Teflon pipe dope) on pretty much all threads that don't need red loctite. It keeps the threads clean and dry, won't gaul, just enough sticky to keep the screws from back8ng out, comes apart so easy with tools you will think they are never tight.

I buy used reels sometimes. Some are ready to fish. Others need some love.
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