Hi, this is for a LW7, running a prince 7 gpm pump, fed with 1.25 inch hose, 3/4 inch outlet hose. It was 24 degrees this morning, 34 now, 10:45am, no power when I first started to dig, I let it high idle for about 45 minutes with the pump on, ran it at 1,200 RPM, I then had decent power to dig...