Extended shutdown needs preparation to prevent corrosion, moisture and flat spots. A proper storage procedure protects the machine while idle.
Drain and Protect
Drain condensate from the receiver, separators and lines to prevent rust and freezing.
Preserve the Air End
Follow the maker guidance for adding preservative oil or periodic rotation of the air end.
Protect the Drive
Keep the cabinet dry and warm; periodically energize the drive or use a heater to prevent condensation.
Before Restart
Check oil, filters and rotation, then start under the normal sequence.