Apu generator overheating(Rigmaster)

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Osman87, Jun 8, 2019.

  1. Osman87

    Osman87 Bobtail Member

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    Jun 8, 2019
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    Hey guys,
    I am looking for suggestions on what courses and how to fix Rigmaster APU unit generator to overheat and pushing the coolant thru the coolant tank top every time the unit runs and shuts down after all coolant is on the ground. I kept filling but straight to the ground soon I place the safety cover on the unit. Any detail to help resolve is highly appreciated. Thanks
     
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  3. Heavy Hammer

    Heavy Hammer Road Train Member

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    Try the Garage Section, you'll probably get more help there.
    Your description is a little vague, but it sounds possibly like a stuck thermostat.
     
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