Shimano reel part purpose

laneends · Post by **laneends** » Sat Sep 09, 2017 3:50 pm

I have been pulling apart some small shimano baitrunners and noticed there is a small spring and tooth arrangement on the underside of the oscillating gear. I believe this is called an Oscillating Gear Ratchet Spring, On some of the reels this spring is either missing or damaged.

What does this spring do and is it essential. Reels seem to operate without them. Is it just a baitrunner function or part of the standard reel operation?

Post by **Fish-cador** » Sat Sep 09, 2017 11:55 pm

That looks like bail arm spring.

What is the model of your reel?

Nude up · Post by **Nude up** » Sun Sep 10, 2017 2:16 pm

It does look Like a bail arm spring I thought the other springs had little loops at the ends to attach on.

laneends · Post by **laneends** » Sun Sep 10, 2017 11:02 pm

ST & DL Baitrunners. Its definitely not bail arm spring, it is inserted on the underside of the oscilallation gear in a recess to operate a ratchet arrangement. It works in compression. It is tiny. If you dont know it's there it will fall out and you will loose it when you lift the gear out.

Nude up · Post by **Nude up** » Mon Sep 11, 2017 3:50 am

just looked on google never seen one before but you are correct google your reel model plenty of parts diagrams they seem readily available

Post by **Fish-cador** » Mon Sep 11, 2017 7:11 am

Its the ratchet spring. Part # 13548

laneends · Post by **laneends** » Mon Sep 11, 2017 11:43 am

Fish-cador wrote:Its the ratchet spring. Part # 13548

Yep I know what the part is, photo of the part came from a seller, just want to know what it actually does, and how it affects the reels function if missing. Ie what is the purpose of the oscillating rachet?

Nude up · Post by **Nude up** » Mon Sep 11, 2017 1:26 pm

I have no idea but I am sure Alan Tani would know look him up on google or Facebook send him a message he will respond or mikesreelrepair I have bought bits from him before these guys live and breath reels. Even contact the shimano service in Sydney I bought some charter special parts from them before they will probably know.

Post by **Basti** » Mon Sep 11, 2017 3:46 pm

seems to only exist on the 4000 size D, OC and thunnus and not in the other sizes. both sizes of ST have it. very curious now.

barra mick · Post by **barra mick** » Mon Sep 11, 2017 7:41 pm

Basti wrote:seems to only exist on the 4000 size D, OC and thunnus and not in the other sizes. both sizes of ST have it. very curious now.

me 2

cheers bm

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Shimano reel part purpose

Shimano reel part purpose

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