Tony Ingram Posted January 26, 2009 Share Posted January 26, 2009 I've recently been trying to get my 57 H-63 fired up. I got fuel to four injectors and it fired but was running rough, too be expected. There was no throttle response when I moved the linkage nor the fuel shutoff valve. I took the side cover off of the rack and noticed the #1 and #4 plungers and springs were stuck in the up/closed position. This would explain my fuel delivery issue. I hosed them down with some PB blast in hopes to free up whatever is holding them up. I don't want to bang on them to free them up. Any tricks? What could be causing my fuel shutoff valve to not be working. I would like to see a detailed schematic of the inner workings if any has one. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/8104-thermodyne-fuel-rack-sticking/ Share on other sites More sharing options...
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