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cooltrain
30-08-2003, 08:04 AM
Hi!

A Bitzer screw comp'r. running on R22 in an aircooled chiller called for malfunctioning of unloader mechanism.

Opened at the shop, we found ruptured oil filter. What could be the cause?

Please refeer to the attached pic.

cooltrain
30-08-2003, 08:30 AM
Attached Picture? Sorry, here is it anyway.

Peter_1
30-10-2003, 08:02 AM
Sugestion because we had the same with an oil filter in an oil separator of AC&R
1 st almost completly clogged due to dirth on the filter element itself (paper/mesh..)
2nd rupture of the casing due to excessive out-of- design pressure.