• Mar 20, 2026 Cummins Onan C33d5 C38d5 C30d6 C35d6 Generator Set With Power Command 1 1 Controller Service Repair Manual Instant on usage and operating conditions 3 What are the common causes of failure in Cummins Onan Cseries generators Common issues include fuel system problems worn components and electrical faults The service manual By Mellie Yost