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Super c crank shaft pulley

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What is the best was on installing new crank pulley on super c
Farmall. I’m worried that if I heat it up hot enough that it will melt the seal for the front case cover
 
Heat it in an oven and it will not get hotter than the seal will permit. Be sure the crank and the pulley are clean and free from burrs or rust
 
Is the engine in or out of the tractor? During a recent overhaul of my Super C with the engine mounted on a stand, I found the best way was to use a pulley installation tool. As an alternative, a threaded rod screwed into the crankshaft, using a heavy duty washer and a nut should pull the pulley on. However, an installation tool usually has some type of a thrust bearing to reduce the friction between the pulley and the washer/nut. Use some type of a lubricant made especially for parts with an interference fit (e.g.Sunnen B200). It does take a lot of force. I don't think heat is the way to go. IMO, applying enough heat to expand the pulley would certainly damage the seal. Don't try to pound it on. I broke the tangs for the hand-crank slot on mine trying that method. Much easier to do if the engine is out of the tractor.
 
i'd advise to not heat the pully. even if you don't melt the seal you stand a good chance of getting it hot enough it will get hard and leak prematurely.
 
You can heat it in oil and keeping the oil around 200 degrees will be ok , will it just fall on , NO but it will get you started and depending on how fast you work is how far it will go . and the use of a installation tool and a impact makes it go faster .I use the heating in oil a lot . I carry and old deep fryer in my truck and i can set the temp. on the oil , i let the oil come up to temp that i want drop the part in that i want to heat and the oil temp drops the lite comes on and when the lite goes off the part is up to temp and remove and install . You do not need to BAKE a part to get it to expand enough to get it installed .
 


Engine is on engine stand
Neighbor already burnt one seal up by heating the pulley extremely hot. I am just worried that if I just barley heat it enough to get it started and let it cool then I can gently tap it the rest of the way idk I’m really puzzled about it
 
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