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| Tool Talk Discussion Forum |
Pittsburgh 63726 diesel compression gage
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a1cnc
01-09-2021 12:47:10
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Recently bought this set at harbor freight.
1st time I try to use it it doesn't seem to work right. On each compression stroke the pressure builds and drops off immediately. Thought it might have been the engine but it definitely is building pressure.
I went to remove the pressure relief valve but it twisted right off due to being very thin metal and loctited in place.
Is there supposed to be a check valve? I definitely don't have one on this set.
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a1cnc
01-10-2021 07:52:48
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Re: Pittsburgh 63726 diesel compression gage in reply to a1cnc, 01-09-2021 12:47:10
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Quoting Removed, click Modern View to see
Thank you, I thought it needed one.I can't see how this is supposed to work without one
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rustred
01-10-2021 07:48:29
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Re: Pittsburgh 63726 diesel compression gage in reply to a1cnc, 01-09-2021 12:47:10
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yes it needs a check valve, like a tire valve stem has. once you give it 5 puffs then take the reading and release the pressure.
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a1cnc
01-09-2021 13:59:17
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Re: Pittsburgh 63726 diesel compression gage in reply to a1cnc, 01-09-2021 12:47:10
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Quoting Removed, click Modern View to see
It was the only one they had and they were discontinuing it :(
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504
01-09-2021 13:03:15
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Re: Pittsburgh 63726 diesel compression gage in reply to a1cnc, 01-09-2021 12:47:10
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Take it back and try another,if the second one doesn't work, take it back for a refund.
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