Hi Guys,
Has this ever happened to you? We have a Cat 312B excavator which we bought from some not so darling brothers! Proper scammed us. Anyways the engine and pump appear to have been overhauled with a brand new Zexel injector pump and all. However something weird happens to this engine when you apply a load at low rpms. I mean lets say you set the engine speed to 1-3 and try to do a spot turn, the engine sorta gets loaded up and then its sputters a bit and theres exhaust gasses been blown out the air filter! I checked and couldn't believe my eyes when i observed the cooling fan juste stutter and spin the other way round. DOesnt last much long like that, cuz it sputters a few seconds and dies.
But does anyone know whats wrong with this or how to fix it? The guys who sold it to us won't answer our calls as they probably knew the issue so they tried a new injector pump and just sold it off to gullible us!
Thanks
Has this ever happened to you? We have a Cat 312B excavator which we bought from some not so darling brothers! Proper scammed us. Anyways the engine and pump appear to have been overhauled with a brand new Zexel injector pump and all. However something weird happens to this engine when you apply a load at low rpms. I mean lets say you set the engine speed to 1-3 and try to do a spot turn, the engine sorta gets loaded up and then its sputters a bit and theres exhaust gasses been blown out the air filter! I checked and couldn't believe my eyes when i observed the cooling fan juste stutter and spin the other way round. DOesnt last much long like that, cuz it sputters a few seconds and dies.
But does anyone know whats wrong with this or how to fix it? The guys who sold it to us won't answer our calls as they probably knew the issue so they tried a new injector pump and just sold it off to gullible us!
Thanks
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