Reel Repair by Alan Tani

General Maintenance Tips => General Questions and Trouble Shooting => Topic started by: pachuc on October 25, 2020, 03:21:08 PM

Title: [SOLVED] STL 4000FD rotor problem
Post by: pachuc on October 25, 2020, 03:21:08 PM
Hi,

i couldn't find any topic about this..

It's about STL 4000FD.. bought it used as a training object.. was a bit broken.. replaced main gear, pinion, idle gear, bearings around pinion/main gear... (parts mostly not available.. but got them anyway! :) )

Every part got grease/oil.. Everything is fine .. as soon as i get to put rotor on and screw it on... then reel gets really crappy... it's hard to turn the handle...  rotor without the screw spins just fine.. but when i tighten the screw so there is something wrong.. did check schematics.. and there is no part missing at this area..

Did remove bail assembly (it's still broken.. need some more parts.) and friction ring (heard it may give some problems if it's broken.. but it's not) ... and it's still the same :(

Any ideas, help please :)
Title: Re: STL 4000FD rotor problem
Post by: philaroman on October 25, 2020, 05:03:08 PM

I play w/ older lower models...  had what you're describing -- I think -- trying to remember how/why
maybe that's the one time I had to shim a Stradic main "from behind", AWAY from the pinion ???
in general:
Title: Re: STL 4000FD rotor problem
Post by: pachuc on October 25, 2020, 05:14:00 PM
Thx philaroman,

yes it's obvious that there is maybe something missing (spacer etc.).. or tighted to much...

And it's true.. f.eks. JDM schematics  (japanese) shows some differences than this normal i use...

Need to study them good...

Title: Re: STL 4000FD rotor problem
Post by: philaroman on October 25, 2020, 05:41:36 PM
sometimes JDM is just different color/handle; sometimes mechanical differences (esp., baitcaster)
this is better for later JDM schematics:
http://www.shimanopromotions.com.au/schematics/
this is easier to navigate & better for older US models:
https://www.reelschematic.com/reel-schematics/shimano-reel-schematics/#gsc.tab=0

Title: Re: STL 4000FD rotor problem
Post by: boon on October 26, 2020, 07:16:49 AM
Stellas are individually shimmed. The number shown on the schematic doesn't necessarily reflect your reel, and the configuration may have to be changed now that you've put new gears in.
Title: Re: STL 4000FD rotor problem
Post by: pachuc on October 26, 2020, 10:36:56 AM
Thank You boon,

and how do i find out about this..? some numbers etc. .. but where...?

it's quiet interesting... because when i put the rotor nut on.. so there is really very little place for it.. and i think that it presses rotor to much.. and that's why it's working so bad.. (hard)

So as philaroman says.. i should try to giv some shim before pinion... so it sticks out a bit more.. ?

right?
Title: Re: STL 4000FD rotor problem
Post by: boon on October 26, 2020, 10:37:34 PM
Hmm, some pictures would probably help?
Title: Re: STL 4000FD rotor problem
Post by: philaroman on October 26, 2020, 11:36:00 PM
like I said, I play w/ older, cheaper models -- I can only imagine more precision in a Stella
rotor should seat securely & nut should screw down easily by hand;
then another 1/4 - 1/3 turn with a tool (NO FORCE!!!); and this makes
the top of the pinion flush with the top of the rotor nut
IF SOMETHING ELSE IS HAPPENING, STOP!!!
DON'T EVEN TURN THE HANDLE -- start over & look for missing/damaged/misaligned parts
Title: Re: STL 4000FD rotor problem
Post by: pachuc on October 27, 2020, 03:23:20 PM
SOLVED!

it's UNBELIEVABLE !!

One shim between part 63/64 was missing! the one that sits on pinion... it has no part number .. it's just visible on the schematics..

https://www.plat.co.jp/parts/SHIMANO-Spinning/STELLA-SW/07STELLA4000-02087.pdf

Thank you everyone for your input :)