I have a New Holland TC45. Recently when lowering the backblade. I bounced it a litltle. The next time I used it, it would not lift. The front end loader works fine. After using the loader for an hour or so, w/ the three point lift control in the up position, the arms will be all the way up.I don't know if they will hold weight because I can't personaly lift any thing heavy enough to check it out. Any suggestions?