Italo2275 Senior Member Joined: 9 Jan 2013 Posts: 96 Location: Toronto Expertise: Just starting
Posted Wed Feb 27, 2013, 9:47am Subject: Need Input from all Rocket R58 owners Please!!!
Hi Guys, I have recently got an R58 and have exchange it onece already, With both machines I am experiencing the same noise. Forthe people that own an R58 can you please let me know if you are experiencing the same noise.
I watched again with the volume turned way up and still only heard the motor and the pump, two different but normal noises. I did not hear anything that was abnormal or worried me. I have used lots of machines so this is not my first go round.
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Italo2275 Senior Member Joined: 9 Jan 2013 Posts: 96 Location: Toronto Expertise: Just starting
Posted Wed Feb 27, 2013, 1:57pm Subject: Re: Need Input from all Rocket R58 owners Please!!!
Sorry my friend but I am not the only one to hear it or think it is normal, many people on the forum thought was not normal noise. Plus on the Demo machine I did not hear it,i heard a quiet rotary pump.
germantownrob Senior Member Joined: 2 Dec 2007 Posts: 2,043 Location: Philadelphia Expertise: I love coffee
Espresso: Duetto 3, A Dead Oscar Grinder: Vario-W, Preciso w/Esatto,... Drip: Brazen Roaster: Diedrich IR-1, HT B
Posted Wed Feb 27, 2013, 1:58pm Subject: Re: Need Input from all Rocket R58 owners Please!!!
Roberto, it may be helpful to post in your first post the sound the first machine made, if I hadn't heard it there I would not have picked it up on the video of your second machine.
Jmanespresso Senior Member Joined: 18 Jan 2009 Posts: 2,108 Location: Westchester NY Expertise: I live coffee
Espresso: Alex Duetto II Grinder: Compak K10 - Vario Vac Pot: Yama-SY5/SY8/TCA5 Drip: V60, Beehouse, CCD Roaster: Hottop B
Posted Wed Feb 27, 2013, 4:12pm Subject: Re: Need Input from all Rocket R58 owners Please!!!
Definitely sounds to me like the motor for the pump. Maybe a bearing needing some lubrication? On the second video you posted(which is the original video?), if you listen carefully, when you stop the shot, you can hear the noise "slow down" slightly before it stops completely. Its subtle, but its there.
This is why I think its the pump motor. When it gets to a certain output, it makes the noise, but not all the time at all output speeds/currents.
Have you checked to see if maybe the pump/motor assembly is mounted improperly? Or had a look and seen anything out of the norm? Id open her up and have a look. Maybe its mounted improperly. Maybe the pump is slightly too tight on the motor. Or like said about needing lubrication.
Could be any of those, or none of them. First things first.. confirm without a doubt that the sound is coming from the motor/pump assembly by taking off the case and sticking your head RIGHT next to the pump/motor as you're pulling a shot. You could probably just use the backflush disk so you don't need to prep a basket with coffee every time you need to replicate the sound for diagnoses.
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