terry
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Everything posted by terry
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Don't know about thread locker on the rod bolts, but on head bolts be sure to run a bottom tap in head bolt holes, and blow out with air, and a die on headbolt threads and , oil threads and washers as you said. terry
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It's terrible how all this newer stuff is a POS! -
Might need a little heat or as I call the blue wrench! Terry
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I think a G733 was originaly a cummins engine with a turbo. terry
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Learn something new every day! Guess i just never heard it called that. terry
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What are you referring to when you say pinion gear in a transmission? Maybe I’m missing something? Terry
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I know it’s your transmission but with .002 endplay I would call it good, the only place I have set gear backlash is on PTO’s, different gasket thickness’s, there is no way to set backlash between main and countershaft gears. Terry
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It is definitly set on the rear of back countershaft. terry
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237 hp engine. Terry
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Also run a die on both ends of studs, and a bottom tap down block stud holes. Terry
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But when you preload does that take all your end play away? Yeah them figures for new and used bearings are right on, I never used the string and scale, I used the dial indicator, don’t remember how many thousands though. Terry
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Joey I looked in one of my old Mack manuals it says on reassembly leave top main shaft out of back box bolt cases together and wrap string around counter shaft and set at so many pounds pull, I never done that to much crap! I used the dial indicator after assembled and set at so many thousands but I don’t remember the exact number. Terry
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Yeah rear box will work to, some don’t have PTO openings, the rear bearing on rear countershaft is held in by a tapered bearing towards the front, the rear cover and shims press on the bearing outer race to set endplay. Hope I’m explaining this so you understand? Terry no snap rings
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For some reason I thought the PTO gear was fixed, if nothing else it can be done on the tail end of countershaft with the rear cover off. But I think the PTO gear is pressed on so tight you don’t have to worry about it moving to check this. Terry
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Been along time since i have done this, but take a dial indicator with a magnetic base and mount it somewhere around PTO , find a fixed gear on countershaft , configure indicator to touch it, take a small pry bar to slide fixed gear forward and back to check end play, then there are shims under countershaft rear cover piece to add or take out shims for desired endplay. Joey might have a different way to measure this. Hope this helps terry Think i used the PTO gear to do this
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As far as telling a duplex, triplex or quad. Back box length will tell you. Terry
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When you set the endplay on the countershaft both boxes need to be bolted together, there is a tapered bearing between them, so when you check end play it is for both countershafts, it would be the last thing to do on reassembly. Terry
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should be aluminum rear box, and direct in the front box, be sure to check countershaft end play, dial indicator through PTO opening, there are shims under back box cover plate on the end of countershaft. Terry I think i used the PTO gear to do this.
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Look on left side of front box, right behind fill plug, might have to wire brush it real good to see, duplex will be a Trd 72 direct or a 720 overdrive, triplex will be a trt 72 or 720. Terry
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Did you ever get these lenses? terry
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I had an overdrive 12 spd in a DM dump with 4.17 rears, had the engine where I could turn 2300 RPM if I wanted, it could bury the 80 MPH speedometer! Terry
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Yeah i have seen alot of them used with small cracks there. terry
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Biggest problem with them heads are cracks between valve seats and between injector hole and valve seat. terry
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Just checked your profile says you’re in Utah, I might know of some of them here, but you’re a long way from Omaha.🤷♀️. Terry
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That rebuilt head from Vander Haggs didn’t work out? Terry
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