Purge with Thermostasis unit

by Jeffrey P Reuschle in General Tech Discussion 4 years ago

What is the best way to purge the engine oil system which has not been started before if I have a thermostasis unit that isolates the oil cooler at the beginning of the engine startup?

Re: Purge with Thermostasis unit

by Bill Hertzel » 4 years ago

Bill Hertzel

13 1.95k 7.98k

It does NOT "Isolate" the Cooler.
the thermostat partially bypasses the Cooler.
The Oil flow will split and fill the cooler and all the hoses.
Just purge as you normally would.
On the first start, the pressure might fluctuate momentarily but should stabilize above 30psi(2bar) within 5-10 seconds.

Bill Hertzel
Rotax 912is
North Ridgeville, OH, USA
Clicking the "Thank You" is Always Appreciated by Everyone.

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Re: Purge with Thermostasis unit

by Jeffrey P Reuschle » 4 years ago

Jeffrey P Reuschle

2 1 3

OK, Thanks Bill

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Re: Purge with Thermostasis unit

by Garrett Wysocki » 4 years ago

Garrett Wysocki

1 572 1.45k

When I installed the Thermostasis unit I pre filled the oil lines the cooler and unit as much as I could with oil. I purged and cranked the engine with ignition modules off and got oil pressure almost immediately. No Issues.

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Re: Purge with Thermostasis unit

by Ken Ryan » 4 years ago

Ken Ryan

28 369 968

I did not have any problem purging with the Thermostasis installed, once I applied shop air.

Without shop air, though, I could not get pressure.

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Purge with Thermostasis unit

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