Yong Heng rebuild--Done!

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J

jmsdad

Member
Jul 15, 2022
54
46
FREMONT, CA, USA
Picked up this non-working Yong Heng pump a few months ago from a semi-local AGN member. A few weeks ago, I decided to tear into it and see what was wrong with it. Ordered new replacement parts from Aliexpress and they were delivered a few days ago. I put it back together yesterday and topped off two of my three SCBA tanks (30 min & 45 min) from 3300psi to 4300 psi. It's working great now and looking for a few more years of service.

Parts ordered:

- Piston assembly
- gasket set
- High pressure one way metal gasket


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Firewalker said:
Gotta love it when you can get an old bird up and running again!
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Yes..,feels great to breathe life into an old machine


oaks1450 said:
Where did you order your parts from? Your Air lab looks great bye the way.
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AliExpress ....China's version of Amazon. Took about a week for parts to arrive from mainland China



WorriedMan said:
jm,
Inexpensive, available replacement parts and ease of repair are good reasons to own a Yong Heng. Previous owner put the hurt on that one, for sure. WM
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Repair was simple even a caveman can do it. As with anything with gaskets, the most time consuming part was scraping off the old gaskets. Hopefully parts are available in the long run so we can keep these pumps running. I currently have three Yong Heng pumps---all running
 
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jmsdad said:
Picked up this non-working Yong Heng pump a few months ago from a semi-local AGN member. A few weeks ago, I decided to tear into it and see what was wrong with it. Ordered new replacement parts from Aliexpress and they were delivered a few days ago. I put it back together yesterday and topped off two of my three SCBA tanks (30 min & 45 min) from 3300psi to 4300 psi. It's working great now and looking for a few more years of service.

Parts ordered:

- Piston assembly
- gasket set
- High pressure one way metal gasket


vk2aS2C.jpg

RfPJwXw.jpg

OTGw0eD.jpg
Click to expand...
I've been trying to figure out how to pm you about the AEA HP carbine.its not letting me.
 
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