![](https://www.espresso.net/wp-content/uploads/2019/08/p9.jpg)
22 Aug Tech Tips & Tricks: Setting Expansion Valve
Recommended steps to follow:
1. Insert blind portafilter
![](https://www.espresso.net/wp-content/uploads/2019/08/p9-1-150x150.jpg)
2. Loosen lock nut on pump adjustment and adjust pump to 11 bar
![](https://www.espresso.net/wp-content/uploads/2019/08/p9-2-150x150.jpg)
3. Adjust your expansion valve to leak one drop every 2-3 seconds at 11 bar. Right increases the tension, left decreases the tension.
![](https://www.espresso.net/wp-content/uploads/2019/08/p9-3-150x150.jpg)
4. Adjust your pump back to 10 bar and tighten the lock nut.
5. You have set your expansion valve!
![](https://www.espresso.net/wp-content/uploads/2019/08/p9-4-150x150.jpg)
As always if you have questions or need assistance you can email support@slayerespresso.com or call 206-284-7171 ext: 5000
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