alan tani @ alantani.com fishing reel repair rebuild tutorial Daiwa BG2500 troubleshooting
Reel Repair by Alan Tani
August 13, 2020, 06:19:53 PM *
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Author Topic: Daiwa BG2500 troubleshooting  (Read 571 times)
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Makz06
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« on: July 15, 2020, 05:23:06 PM »

Just ran across this web site.  What a great wealth of information.   Iíve done some searching and digging through the info here but so far havenít found an answer. 
Iíve got 4 Daiwa BG 2500 all purchased about a year ago. All used about the same amount and immediately rinsed after each use. One had started intermittently become difficult to turn. It will be running smooth and is easy to turn and all of a sudden will get very tight and hard to turn for part of the handle rotation. Then it will smooth out and every 3-4 turns get real tight and hard to push through. It does not happen at any particular point in the spool travel forward or backward (i.e. all the way out or all the way in). It doesnít happen at any particular point in the handle orientation.  It may work ok for 10-20 minutes and then problem reappears. 
Iím assuming I have a bad bearing but canít identify which one. I completely disassembled it and another. Both looked identical inside regarding lubrication, cleanliness, etc. I completely cleaned each gear and component and recoated with grease. The bearings were just wiped off and given a new outer coating of grease. All of the bearings seemed to turn smoothly and did not feel rough or gritty or tight...
Same problem again after reassembly. The problem actually went away for the better part of a day after a couple hours of use, and then returned again the next day. Iíve also noticed that when I take it off the rod and it has no tension on the line, I can reel for long periods of time and not replicate the problem. The problem only seems to occur occasionally and only when tension is on the line...  Roller bearing is turning ok.
This morning another one of the reels started doing the same thing...
Thoughts? Suggestions? yeah, I know I can take it to a repair shop but I hate not fixing stuff myself and not sure they could fix anyway if they canít reliably replicate the problem.
Thanks for any suggestions.
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philaroman
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« Reply #1 on: July 15, 2020, 09:31:51 PM »

swap shaft/pinion/main between reels & see where the problem goes
if it follows the shaft/pinion assembly, how straight is the shaft?
(roll it around on glass next to known "good" shaft)
how clean/smooth (pref., POLISHED) is the INSIDE of the pinion (shaft, too)?
significant problems w/ either would be more regular, but maybe you have
tiny issues with both, that only cause a problem when they "meet up"
« Last Edit: July 15, 2020, 10:49:26 PM by philaroman » Logged
Gfish
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« Reply #2 on: July 16, 2020, 06:17:37 AM »

Interesting. Sounds like maybe every now and then, something is moving out of alignment. What though? And what causes it?
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oldmanjoe
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« Reply #3 on: July 16, 2020, 06:55:09 AM »

  Sounds like you have a broken cage on one of the bearings , causing a ball to stack up once in a while .
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philaroman
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« Reply #4 on: July 16, 2020, 12:38:54 PM »

ok, swap bearings between two reels &
see if the problem follows the bearing(s) from the "bad" reel
I mean, you have 4 of the same model -- right?
you can do a whole lot to isolate the issue, just by swapping
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Makz06
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« Reply #5 on: July 16, 2020, 01:31:05 PM »

Thanks everyone for the great suggestions.  Iíll definitely check the shaft for straightness and can swap bearings.  Iím headed out of town this weekend but will report back once i figure it out (or not).
The biggest problem is that itís intermittent so may take a while after I swap to be sure itís actually resolved the problems.
Thanks for the quick responses.
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Makz06
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« Reply #6 on: July 27, 2020, 02:59:20 PM »

Well, nothing really to report that may help anyone with similar problems in the future.  Problem still unidentified.
I disassembled one of the problem reels and one that was running smooth.  Swapped the bearings and shaft from one to the other.  Re-lubed and assembled.  As before, I canít replicate a problem.  Have probably spent an hour or more just reeling each one while sitting in front of the tv at night.  Also made about 30 casts and retrieves with each one so there would be some tension on the lines.  Neither one exhibits any problems.
Beats me.  Will have to get them out for a full dayís fishing to see if problem returns.
Thanks for the help and suggestions. 
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Gfish
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« Reply #7 on: July 27, 2020, 04:11:02 PM »

How about something in the ossilitation system, even though it doesn't happen at any specific up/down spool shaft movement point. Could something there have broken or come loose? Could try swaping those parts to a functioning reel.
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Makz06
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« Reply #8 on: July 28, 2020, 02:02:25 PM »

How about something in the ossilitation system, even though it doesn't happen at any specific up/down spool shaft movement point. Could something there have broken or come loose? Could try swaping those parts to a functioning reel.
Yes, sort of what I was thinking it was coming from.   It felt like when that oscillating gear would bind-up when you donít have everything back in place and tightened down yet.  That rough/tight feel as the shaft is supposed to  roll over the extents at the far back or front of gear.  But like you say, I hadnít seen it happening at specific points in the travel. 
All those components; gear, washers, bearings, etc all looked fine.  I suppose something may have been out of whack and reassembly got it back like it should be.  I guess Iíll know after my next fishing trip. 
Thanks.
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Gfish
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« Reply #9 on: July 28, 2020, 02:40:34 PM »

You bet. I have the 5000 version of this reel. Afraid to dive fully into it, cause of how Allen Hawk described the difficulty of lining up all the gear box parts for reassembly. Very well lubed at the factory, so I'll wait on full disassembly.
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Fishing tackle is an art form and all fish caught on the right tackle are"Gfish"!
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