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Old 05-10-2015, 09:44   #1
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Diesel Fuel in T-handle Vacuum Gauge

Men,

Yesterday I noticed I had diesel fuel in my Racor T-handle Vaccum Restriction Indicator Guage.

Not certain, but I thought there should only be a vacuum here? I did pull
the fuel filters and they were getting cruddy... perhaps the fuel filter simply
"filled" up?

Any thoughts would be appreciated?

Thanks,

Marc
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Old 05-10-2015, 09:57   #2
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Re: Diesel Fuel in T-handle Vacuum Gauge

Perhaps there is a failure of the membrane in the gauge.
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Old 05-10-2015, 10:09   #3
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Re: Diesel Fuel in T-handle Vacuum Gauge

Can you show a picture? I'm not sure if you are confusing the bubble in the silicone oil of the gauge with something else.
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Old 05-10-2015, 10:09   #4
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Re: Diesel Fuel in T-handle Vacuum Gauge

Those gauges are/should be liquid filled.
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Old 05-10-2015, 10:47   #5
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Re: Diesel Fuel in T-handle Vacuum Gauge

From the Racor brochure: "... After September 1999, Racor converted many liquid filled gauges to new silicone dampened movement. This new (dry) technology provides a vibration resistant design that never leaks fluid or requires adjustments due to temperature or altitude variations."

Apparently the later versions of this guage should never have any liquid in side.

John
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