Questions & Answers for: Ingersoll Rand ar 500

...AR model IRN11K-10-500-H, the machine has got brake down due to some electrical fault and the technician reported that there is an electronic drive failure and need to replace new. These VFD or VSD ...

low sump air pressure See other post. Check sump vent controls.

low sump air pressure Check the sump vent and controls for it, sounds like it is vented to atmosphere all the time, should be closed when loaded.