SOURCE: miller bobcat 250 welder with kohler lp gas engine
Make sure that the idle is set at 40Hz. You do this by placing a frequncy meter on one of the 120Vac outlets. If frequency is low, the engine will run rough at idle. There is a 3/8 nut next to carberator that needs to be turned to the right to increase the idle speed.
SOURCE: how to separate the kohler engine from the
The shaft is tapered and will have a bolt in the center, loosen the bolt enough so you can tap on the end of the bolt. This should release the shaft, if not there should be 2 hole that you can thread a bolt into to push the connection apart.
SOURCE: miller bobcat on propane surges when turned to idle
It might be missing a stabilizing spring on the the throttle shaft to eliminate accumulated play in the components.
Otherwise if no smell of leaking LP is noted, there may be a small vacuum leak in the induction system- can be found with carb cleaner on an idling engine- the area of such a leak when sprayed will smooth out the idle and speed it up momentarily.
If you do smell LP, the regulator likely needs repair or a hose needs replacement..
616 views
Usually answered in minutes!
×