Each cummins generator has a model spec number description which is shown on the serial number tag attached to the generator.
Onan diesel rv generator overheating.
This handbook is a general supplement to the more specific information contained in the operator manual that comes with every new cummins generator.
Why is overheating a dangerous thing.
Here is a representation of the tag on onan qg 4000.
The onan power generator is a solid machine specifically designed to meet the energy demands of the average house owners as well as rv enthusiasts.
Though diesel generators are known for their efficiency and long life span they can also undergo different problems being a mechanical equipment like generator overheating wear tear lubrication loss and decrease of overall efficiency overtime.
If your onan generator runs fine then stops this is likely the free simple fix.
Note the highlighted letter code in this case p which denotes the specification type of the particular generator which can then be referred to as spec p.
Includes helpful tips for operation along with maintenance parts and service information.
Onan 12 5kw generator overheat fix i hope my issue had been an overheat shut down with attendant single blink code and no secondary code.
Onan cummins microquiet generator has a hidden defective part.
The single module is a customer voice driven design that combines the gas oxidation driver doc fuel particulate filter pdf and selective catalytic reduction scr systems into a single cylinder.
The overheat would not happen until about 2 3 hours of operation and i only had to have one ac running so it wasn t near full load 12 5kw.
Onan diesel generator and the single module after treatment system is up to 30 percent lighter and approximately 70 percent smaller sized than present after treatment options.
Know how to sustain maintain and repair common issues with the generator to minimize trips to the mechanic and maximize the running life of the most important equipment in the rv aside from the car motor.