Tractor Repair: injectors, john deere 1020, hose clamp

Question
QUESTION: i am working my 1972 john deere 1020 diesel i am trying to replace the injectors why are they so hard to get out i broke one of them off in the cylnder head will i have to remove the cylnder head.

ANSWER: You are going to have to take off the head. Unless there is enough material to weld something onto it and use a slide hammer. Good luck and happy wrenching

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QUESTION: i replaced the injectors but stil have the same problem when the tractor sets for awhile it will not start on its own you have to pull it or use start fluied but once it starts it runs fine no smoke or engine miss and has plenty of power.

Answer
You need to do a compression test. I think that it is your problem. You might have dirt in the intake tube, from having a loose intake hose clamp or dirty air filter. If you want to verify wait until it is hot outside and I bet it will start on it's own.