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GasBoy 72 pump

Sumboodie

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Joined
Mar 20, 2021
Messages
11,143
Location
AK
Have an older GasBoy 72 pump on a 1000 gallon diesel tank.

I put it in service a few weeks ago, hadn't been used in probably 10+ years and it fired up without issue aside from a leak leaking between the pump and motor that was getting worse with use.

Think it was just 2 hardened orings, but I bought a full service kit for it as I wasn't sure what it would need and didn't want to tear it apart and wait several weeks if I needed parts.

Kit was new orings, gaskets, rotor, vanes, check valve, etc.

Put it in this morning and can't get the pump to pump. (Lovely)

Have spent easily 4+ hrs screwing with it. Tried priming it with engine oil, reviewed the IPL, pulled away to make sure I didn't goof anything put old parts back, even bypassed parts.
I'm at a loss. Don't have time to be dealing with this, just need it to work. A new one is about $1800, so not happening.
 
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Sumboodie

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Joined
Mar 20, 2021
Messages
11,143
Location
AK
Got it working. Put together a garden hose to pipe adapter and stuck my M18 pump on it.

No idea what its deal was, but working fine now. They aren't supposed to need priming, tank about 1/3 full so only ~2. 5ft of lift too so dunno.
 
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B_Bimmer

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May 7, 2015
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1,872
Location
Eastern Iowa
I would have suggested dipping vane parts in motor oil. They aren't supposed to need priming but all dry can still make it tough after a rebuild.
 
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Sumboodie

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Joined
Mar 20, 2021
Messages
11,143
Location
AK
I would have suggested dipping vane parts in motor oil. They aren't supposed to need priming but all dry can still make it tough after a rebuild.
I filled the whole pump several times with oil.

Thought it was fixed but had to reprime a few days ago. Makes no sense, has 2 check valves
 
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