I have also cleaned the mushroom valve & replaced the o ring in the valve on the group-head.
On Monday, August 17, 2020 at 11:46:45 AM UTC+7 Jason Tran wrote: > Hi Expobar community, > > I have an old Expobar Brewtus IV, manufactured in 2013. Yesterday, I > installed a pressure gauge on the group head & I found that there is quite > a large gap between the pressure on the machine gauge & the group head, if > i adjust the OPV to 11 bar i will get 8 bar on the group head, if i want 9 > bar on the group head i have to adjust to 12 bar on the machine gauge ( but > at this pressure i have an extremely fast flow-rate & it will punch a hole > on my coffee) > > Also, i have measured the flow-rate as instructions on the video by Whole > Latte Love & i found out that my machine has an extremely fast flow rate: > 2oz per 10 seconds instead of the normal 1 oz per 13 seconds. > > Is this normal for this machine, anyway i can get an usable 9 bar pressure > on the group-head. Thank you for your help. Please find the video attached. > https://photos.app.goo.gl/zkonfhm8fPDFNpcaA > > Regards, > Jason Tran > -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/brewtus/eec9282a-5323-4804-beb5-986a54890e15n%40googlegroups.com.
