 FI Parts Ultrasonic Cleaning |
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| slapshot |
 Nov 29 2023, 11:27 AM
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#1
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Member  Group: Members Posts: 58 Joined: 11-June 23 From: Utah Member No.: 27,409 Region Association: Rocky Mountains 
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Anyone know if any of these parts should NOT be cleaned in an ultrasonic cleaner? I picked up these parts to convert back to FI. I don't want to ruin any of them but need them to be in good working order.
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| Zuffenwerker |
Nov 29 2023, 11:52 AM
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#2
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Newbie Group: Members Posts: 5 Joined: 18-March 23 From: Arkansas Member No.: 27,233 Region Association: None |
I would exclude the bottom photo from the bath. Also exclude the tps, and the air valve.
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| rudedude |
Nov 29 2023, 12:44 PM
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#3
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Senior Member Group: Members Posts: 510 Joined: 1-January 05 From: minneapolis, mn Member No.: 3,387 Region Association: Upper MidWest
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I don't put anything electrical in my ultrasonic.
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| 914sgofast2 |
Nov 29 2023, 01:03 PM
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#4
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Senior Member Group: Members Posts: 622 Joined: 10-May 13 From: El Dorado Hills, CA Member No.: 15,855 Region Association: None |
I agree that nothing electrical should be put in the ultrasonic cleaner. All the hard parts can go in it. Also put the oil filler "chimney" assembly in the ultrasonic cleaner. You will be very surprised about the amount of crud that comes out of the oil filler baffles in the oil filler chimney assembly.
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| slapshot |
Nov 29 2023, 05:34 PM
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#5
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Member Group: Members Posts: 58 Joined: 11-June 23 From: Utah Member No.: 27,409 Region Association: Rocky Mountains
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QUOTE(914sgofast2 @ Nov 29 2023, 02:03 PM)  I agree that nothing electrical should be put in the ultrasonic cleaner. All the hard parts can go in it. Also put the oil filler "chimney" assembly in the ultrasonic cleaner. You will be very surprised about the amount of crud that comes out of the oil filler baffles in the oil filler chimney assembly. Thanks for the tip! My pics were very vague, they were just some I had available. Parts still in question would be fuel pressure regulator Aux air valve Injectors Thanks |
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| 914sgofast2 |
Nov 29 2023, 06:21 PM
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#6
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Senior Member Group: Members Posts: 622 Joined: 10-May 13 From: El Dorado Hills, CA Member No.: 15,855 Region Association: None |
The Aux Air Valve has a thin, fragile heating element wire inside of the bottom of it. Unless you are going to disassemble it for repair, I would not put the entire valve into the ultrasonic cleaner.
As to a fuel pressure regulator, it has a rubber diaphragm inside of it and rubber seals. I would not put that into the ultrasonic cleaner either. The fuel injectors are another item I would not put into the cleaner because I think they have rubber seals inside of them to seal the body parts to each other, as well as an electrical solenoid which opens and closes the pintle valve. I know some fuel injection cleaning services might put the injectors into an ultrasonic cleaner, but I would not chance it. The ultrasonic cleaning action tends to break down the molecular bonds of petroleum based items, and many rubber seals have petrochemicals in them. |
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