Valve specs for DT466
Valve specs for DT466
HI all,
I recently bought a 1981 Internnational 1854 Series Medium duty stake body dump Truck. I bought the truck in a non running state with the previous owner stating that the engine had been recently rebuilt and that the only reason for its non-use (about a year and a half) was the fact that the water pump locked up. A Buddy of mine and I put a new water pump on and the engine fired with just a little bit of grinding to a start (a little starting fluid also....done properly!)...
The engine idled fine but and oil pressure was good but there was a noise that my frieds dad thought was the result of out of adjustment valves.....Where can I find the specs for the valve adjustment and procedure for adjusting them?...I would really like to know by tomorrow if possible otherwise I'll have to wait another 2 weeks until my friend has off again (yes, he works alot!).
Thanks in advance for any and al help on this.
Andrew
I recently bought a 1981 Internnational 1854 Series Medium duty stake body dump Truck. I bought the truck in a non running state with the previous owner stating that the engine had been recently rebuilt and that the only reason for its non-use (about a year and a half) was the fact that the water pump locked up. A Buddy of mine and I put a new water pump on and the engine fired with just a little bit of grinding to a start (a little starting fluid also....done properly!)...
The engine idled fine but and oil pressure was good but there was a noise that my frieds dad thought was the result of out of adjustment valves.....Where can I find the specs for the valve adjustment and procedure for adjusting them?...I would really like to know by tomorrow if possible otherwise I'll have to wait another 2 weeks until my friend has off again (yes, he works alot!).
Thanks in advance for any and al help on this.
Andrew
DT 466 and DTA 466, series A and B are both set intake at .020 cold, and exhaust at .025 cold. This does mean cold, not lukewarm!
If the engine has been sitting for a long time, do not try to adjust the valves until you have run it enough to work the rust out of the valve guides. Change to fresh engine oil, something along the order of Delo 15-40. Then what I would recommend is popping the valve cover off and squirting each and ever valve stem, down through the springs, with a good blast of Kroil and then let it set for a few hours before starting. Then let it run at least 45 minutes with a decent load on the engine to scrub down the guides. I would suspect the valve noise will go away.
If the engine has been sitting for a long time, do not try to adjust the valves until you have run it enough to work the rust out of the valve guides. Change to fresh engine oil, something along the order of Delo 15-40. Then what I would recommend is popping the valve cover off and squirting each and ever valve stem, down through the springs, with a good blast of Kroil and then let it set for a few hours before starting. Then let it run at least 45 minutes with a decent load on the engine to scrub down the guides. I would suspect the valve noise will go away.
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PourinDiesel
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