Tractor Repair: 1194 case tractor high low range, shift linkage, shift fork

Question
I can drive the tractor in high range but when i take it out of high range and try to put it in low range it won't go it grinds.can you tell me how to fix this problem.thank you

Answer
 There is probably a pin sheared in the shift linkage, or a broken shift fork.  Remove the transmission top cover first to see what the problem is.  But to fix it, the tractor may have to be split because the shift rails and forks can't be removed without splitting it.  If it is a sheared pin, you can probably fix it just by removing the top cover.