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Cummins/Onan OHV Engine Engine

The Cummins/Onan OHV is an engine. It powers generator sets from Cummins/Onan, including the PX7500.

Also known as: Cummins Onan OHV

Engine specifications

Generator sets powered by this engine

1

Common problems

3
  • When No Electricity Is Generated at Receptacle
    Fix: Check if AC circuit breaker is in the "ON" position. Check AC receptacle and DC terminals for loose connection. Check to see if engine starting was attempted with appliances already connected to generator.
  • When Engine Fails to Start
    Fix: Check if choke lever is in its proper position. Check if fuel cock is open. Check fuel level. Check to make sure generator is not connected to an appliance. Check spark plug for loose spark plug cap. Check spark plug for contamination. Check if engine switch is in OFF. Set the choke lever to "CLOSE" position. If closed, open fuel cock. If empty, refill fuel tank making sure not to overfill. If connected, turn off the power switch on the connected appliance and unplug. If loose, push spark plug cap back into place. Remove spark plug and clean electrode. Turn engine switch to ON.
  • Low power
    Fix: Carbon brushes are excessively worn

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan OHV.

Common questions

Which generators use the Cummins/Onan OHV engine?

The Cummins/Onan OHV powers 1 generator set(s), including Cummins/Onan PX7500.

What is a common problem with the Cummins/Onan OHV engine?

A commonly reported issue on generators using the Cummins/Onan OHV is: When No Electricity Is Generated at Receptacle. Fix: Check if AC circuit breaker is in the "ON" position. Check AC receptacle and DC terminals for loose connection. Check to see if engine starting was attempted with appliances already connected to generator..