That there needs a new o ring that goes in the bottom. Also make sure the top of the actual spout says chai/frap roast on its neck and not mocha/white mocha

This also frequently happens when the chai inside the pump has spoiled. Make sure your pumps are being fully disassembled and cleaned through at turnover. chai has a 24h unrefrigerated shelf life because it begins to ferment, and it’ll foam up and clog the pump just like this, making it spray and leak. If consistent cleaning doesn’t fix the issue, you should start replacing parts, starting with the O rings like the other commenters suggested.

Chai and frappucino roast need a special o ring to prevent this. The o ring has 2 colour

Completely dismantle it and see if the various seals are ok if they are then I don't know just put a rag around it

if fixing the o ring doesn't work to fix this the only other way is to get a new chai pump. ours did this for months and after ordering it about a million times we finally got out new one

When this starts to happen I replace all the o-rings, I disassemble whole pump to make sure the spring isn’t rusting or broken, and I replace the white little cork things on the inside. My SM keeps all the metal pump parts on hand cause we all hate when this happens.

Make sure your store has some food grade lube. The pumps should be re-lubed (very tiny amount) every so often too.

A lot of people are mentioning but this problem usual has to do with the very bottom piece of the actual plunger part of the pump. It is different between the chai and the frapp roast: chai is clear with a rubber gasket and frapp roast is white and more fluted. The pump rabies usuallly means the piece is missing, inverted, the wrong type or old and inflexible.

There’s a gasket on the pumps that most partners don’t seem to know about. It causes this exact issue and will need to be replaced.

It’s not the black rubber one either. It goes on the base of the pump where the spring portion is. $1
The gasket goes right on that round end part and is thicker/harder (more like plastic than rubber) than the black or blue rubber o-rings.

Once you replace that piece it shouldn’t come out of the top anymore.

There also should be a washer and flange on bottom of the pump stem. If you look in your stores “cleanliness” manual it will show how to trouble shoot.

Definitely worth checking the o ring and cleaning but if you don't think that's it, what I've noticed after transferring to a busier location where people are rushing a lot more is that the top part of the pump will slowly start to untwist from the stem causing liquid to get into the pump. Normally removing that part and re tightening it helps a lot. This goes for anything and is not specific to the chai pump

Take the pump apart and wash it

I remember I was the only one that knew how to take this whole thing apart in my store until I got fired

Everything reminds me of him

Just take it apart and clean it over.

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