On the V8 903 the injectors sit on a copper chronicle sleeve. I found a few that were cracked and had I replaced them. Can only be done with Cummins special tools. These are: a sleeve extractor, clamp to pull and hold new sleeve into head, swager with expanding rollers that squeezes the copper sleeve to lock it onto head and reamer to align injector tip to correct protrusion below head surface. Injector seat is checked with engineering blue.
Large journal camshaft. Not familiar with this model but 903V8 and others, the injectors seal the cylinder during ignition. To seal the injector the camshaft exerts a force of 30ton. Essential to use DTI to set the injector height. Make sure there is no damage to Injector cam lobes or rollers. On the older 903V8s they had a 10mm steel collar with a taper and oil ring to seal the oil passage between the head and block. It looked like this had 2 and when you took the gasket off you may have dropped one. Not sure if these are just dowels on yours. Newer gaskets on the V8s did away with the tubes.
Could it be that the scissor gear was still engaged with the gear below it until you pulled it out far enough that the outer ring lost engagement and could slip, letting the springs loose?
850hp from a 14.9l isx,,,I doubt that is even possible ,,,And if so,,The engine wouldn't last more than 5 minutes ,,Even 700hp from one of these is really pushing it,,
The knowledge you both provide and the anecdotes Tony tells are GOLDEN!!!
Very enjoyable video!
Man I wish I could just take engines apart for my job , awesome video as always , any engine tear is a good video 🤌👌
It is a good alternative to a desk job or working on roofs.
On the V8 903 the injectors sit on a copper chronicle sleeve. I found a few that were cracked and had I replaced them. Can only be done with Cummins special tools. These are: a sleeve extractor, clamp to pull and hold new sleeve into head, swager with expanding rollers that squeezes the copper sleeve to lock it onto head and reamer to align injector tip to correct protrusion below head surface. Injector seat is checked with engineering blue.
Loving the MCM T-Shirt.
So am I. Actually really good shirts had it for ages
Excellent and very interesting, thanks and all the best from Panama.
Another video, happy times! :)
Awesome content guys I learned a lot thanks ❤
Hi guys love the videos, dare i ask what happened part 5 of the tank engine ?
We hope to get it out very soon!
Large journal camshaft. Not familiar with this model but 903V8 and others, the injectors seal the cylinder during ignition. To seal the injector the camshaft exerts a force of 30ton. Essential to use DTI to set the injector height. Make sure there is no damage to Injector cam lobes or rollers. On the older 903V8s they had a 10mm steel collar with a taper and oil ring to seal the oil passage between the head and block. It looked like this had 2 and when you took the gasket off you may have dropped one. Not sure if these are just dowels on yours. Newer gaskets on the V8s did away with the tubes.
Very cool
Could it be that the scissor gear was still engaged with the gear below it until you pulled it out far enough that the outer ring lost engagement and could slip, letting the springs loose?
Yes you are correct - we realised this afterwards. Thanks for noticing also
850hp from a 14.9l isx,,,I doubt that is even possible ,,,And if so,,The engine wouldn't last more than 5 minutes ,,Even 700hp from one of these is really pushing it,,
Sounds about right. I haven't seen anyone actually measure their true power on an engine dyno, so its all speculation.