Operating Instructions - Overview C8.3 Commercial Marine and Ind [...] Page 1-2 Section 1 - Operating Instructions Check the oil pressure indicators, temperature indicators, warning lights, and other gauges daily to make sure they are operational. Check the oil pressure, coolant temperatures and other engine parameters daily via the PCS front panel to make sure they are operational. Check the panel daily for any new alarm messages. Take appropriate action to rectify the alarm condition or contact your nearest Authorized Cummins® Distributor.