Mack458 Posted December 22, 2011 Share Posted December 22, 2011 Finishing a rebuild of a 1965 Mack 707C Gas Engine and need to know how any advise on setting the Thrust Buttons on the front gear plate. The engine was completely torn down and reassembled and looking for suggestions as the manual does not address this.Many thanks in advance,Mark Quote Link to comment https://www.bigmacktrucks.com/topic/22271-advice-needed-for-707c-gas-engine-thrust-button/ Share on other sites More sharing options...
Art Posted January 2, 2012 Share Posted January 2, 2012 Do you have the spec? If so, the technique used to set the free-play with the thrust buttons was relatively simple and actually became part of our PM at one point.So, to set the free play, gently screw the thrust button in removing all free play. Set the lock nut snug to the front cover. Back the thrust button screw and lock nut assembly out from the cover, checking the distance with a feeler gauge. Once the proper dimension is achieved, hold the thrust button screw and tighten the lock nut to the cover.If you need the spec, I can look it up once I'm back to work.Hope this helps a bit. Quote Link to comment https://www.bigmacktrucks.com/topic/22271-advice-needed-for-707c-gas-engine-thrust-button/#findComment-96426 Share on other sites More sharing options...
theakerstwo Posted January 11, 2012 Share Posted January 11, 2012 On the 707 711 and 673 diesel engine we always set by screw in and bottom up and back off 1/4 turn.If i build one today i would still set same way. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/22271-advice-needed-for-707c-gas-engine-thrust-button/#findComment-97505 Share on other sites More sharing options...
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