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engine stuck D4
|Rich Molacek||I got the pony engine started. Carb overhaul Magneto, Starter, and it runs great. Problem is cat set for 2 years outside I had it covered with tarp. But when I tried to turn diesel it was stucK. Full throttle on pony diesel just stopped it. What can I do. I have to travel 4 hrs from my home every time I work on cat. Its in a remote area. I poured a lots of marvel mystry oil down exhaust and Intake of diesel engine when I left last night.. Will that help?? Decompression lever is on decompress. If its stuck is it done for. I had new track pins roller put on 4 yrs ago lots of investment Now is the cat scrap iron??
|hector gemme||Make sure your master cluch is in neutral and not freese on flywell and make sure your hydrolic lever is't angaged
|steven||--I have a 3204 caterpillar 953 with the same problem.
--I would put a socket on the crank shaft with a long breaker bar. but you can only put as much force on it as the bolt head will take before it loosens up or breaks.
--I want to put a wrench on the crank pulley, or take the crank pulley off and put a modified pulley on it that will allow more force to rotate the crank.
--you need to remove the injectors before you try to rotate it too. so that the piston can go all the way to the top of the cylinder.
--cover the engine and the top of the tractor too.
Using a breaker bar to turn a frozen engine over by the crankshaft bolt is not recommended. The acceptable method involves turning the engine from the flexplate/flywheel, or by using a crankshaft socket that fits over the snout of the crank or bolts to the damper. Exceeding the torque rating of the crank bolt can - and will - snap it off, costing a lot of time and trouble to fix.
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