Gehl 5640 Engine Lope

jeudi 21 septembre 2017

Hello everyone, I'm new here and have an issue with a Gehl 5640 I recently purchased.
For some reason, whenever I start it and it's cold, the engine surges / lopes pretty bad. It doesn't miss at all, but the rpms fluctuate quite a bit. If I increase the throttle, it continues to surge / lope up until about 1/2 throttle then becomes smooth.
After 20 min or so when the oil reaches 140F it smooths out and idles normally.
I've been around diesels my whole life, but never messed with a Deutz...

Gehl 5640 Engine Lope

Gehl 5640 Engine Lope

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