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I have a 14 SB and it gets grass build up around the drive pulley. How can I stop that? I use a plug and mulch my grass. It is completely open under the drive pulley.

Mow your lawn when grass is dry, preferably afternoon or evening.
I would purchase first two items non-stick mower protectant & scraper. Clean underside of deck with scraper first then apply protectant. Let us know how protectant works, may have to purchase some myself, thanks, Mark
You may have to fabricate cover for drive pulley.

I am not a rookie. The lawnmower is all open under that pulley and I think there should be a cover.

There is a cover over the pulley area, but not under it. Over time, debris will build up in this area. This is normal. Part of your maintenance is to blow that area out occasionally with a leaf blower or air compressor.

I do that and it packs in very quickly like 15 min. just thought mine might be missing a cover under there. I use a plug and mulch the grass

mechanic mark said:

Mow your lawn when grass is dry, preferably afternoon or evening.

John Deere Model 14SB Walk Behind Mower Parts

I would purchase first two items non-stick mower protectant & scraper. Clean underside of deck with scraper first then apply protectant. Let us know how protectant works, may have to purchase some myself, thanks, Mark
You may have to fabricate cover for drive pulley.

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I thought about fabricating something. When it packs in, then the spring that pulls the trans to neutral can't do it's job and hard to pull the mower backwards. I have put a new spring.

rtm1141 said:

I thought about fabricating something. When it packs in, then the spring that pulls the trans to neutral can't do it's job and hard to pull the mower backwards. I have put a new spring.

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A used inner tube from tire store are usually free, easy to work with, & will usually work when fabricating, just think about it for a while. I once fabricated a shift boot for a steel truck with a used tube from our tire bay at Ryder Truck Rental. The injector line at rear of International DT466 engine was loose & spraying diesel fuel directly onto shift boot with inside of cab reaking of diesel fuel. I first tightened injector line, removed old shift boot & drove truck into wash bay. I sprayed inside cab floor & engine with high pressure hot water & soap mixture to get rid of diesel fuel smell. I believe I used a 24.5 tire tube because shift boot area to cover was very large on steel truck. Anyway it worked covering hole completely & was a tight fit making driver happy.








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Did the plastic bottom of the discharge chute break off? It is screwed to the rear of the deck and directs the grass up into the discharge opening where your mulch plug is. I have seen the thin metal piece at the rear of the deck get broken off and the plastic piece fall out. Then, the blade will throw grass directly onto the transmission. The blue area is the metal piece that breaks. The red area is the bottom of the discharge chute. Maybe this is what you have going on?

Will1988 said:

Did the plastic bottom of the discharge chute break off? It is screwed to the rear of the deck and directs the grass up into the discharge opening where your mulch plug is. I have seen the thin metal piece at the rear of the deck get broken off and the plastic piece fall out. Then, the blade will throw grass directly onto the transmission. The blue area is the metal piece that breaks. The red area is the bottom of the discharge chute. Maybe this is what you have going on?

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I think you hit the nail on the head. Can it be replaced and would you have a part #

10A or 10B
https://photos.app.goo.gl/EZazJc9gghytHAiS8

If the blue circled area is broken off, there is nothing you can do except get the plastic piece and get a weld shop to fabricate a piece to mate up to it. OR get a used deck off eBay and swap everything over to it. That was the one weak spot on those decks, unfortunately.