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Tech Tips & Tricks: Setting Expansion Valve
Jacob
Sep 09, 2018
Recommended steps to follow:
1. Insert blind portafilter
![](https://slayerespresso.com/wp-content/uploads/2018/09/ExpValve-2-of-4-200x300.jpg)
2. Loosen lock nut on pump adjustment and adjust pump to 11 bar
![](https://slayerespresso.com/wp-content/uploads/2018/09/ExpValve-1-of-4-200x300.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://slayerespresso.com/wp-content/uploads/2018/09/ExpValve-4-of-4-200x300.jpg)
4. Adjust your pump back to 10 bar and tighten the lock nut.
5. You have set your expansion valve!
![](https://slayerespresso.com/wp-content/uploads/2018/09/Uncrating-24-of-25-e1538158864788-240x300.jpg)
As always if you have questions or need assistance you can email support@slayerespresso.com or call 206-284-7171 ext: 5000