randypick Posted June 21, 2019 Share Posted June 21, 2019 Hi I have a 1993 RD688 with a Mack E7-400 that I need to replace an injector in. I don't have a book for this model and am looking for the lash settings for the Jacobs engine brake. And if anyone has an further information that would be pertinent to know such as other settings or torque settings it would be appreciated. Quote Link to comment https://www.bigmacktrucks.com/topic/57792-injector-replacement/ Share on other sites More sharing options...
Ahubbard Posted June 22, 2019 Share Posted June 22, 2019 Here is a picture from the book. I imagine that one that is underlined is yours. I don’t have the book in front of me right now for any torque numbers. This was a picture I sent my buddy last winter. If you need anything else I can look it up in a bit. Sent from my iPhone using Tapatalk Quote Link to comment https://www.bigmacktrucks.com/topic/57792-injector-replacement/#findComment-425904 Share on other sites More sharing options...
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