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Sorry for the delay and thank you for your patience. My name is Michael. I will be helping you with your question today. Please let me know if there as any additional information that you feel might be pertinent to your question. If I don't hear back from you, I'll provide the best answer I can based on the information you've given so far. You will still be able to reply with additional information or questions at any point during our conversation, and I'll revise the my answer accordingly.
This model has a secondary lock where you operate the release lever... it's small - it looks like a tiny lever - you have to push this to allow the primary lever to completely release. When you do, it should pop that thing right off... in fact, be careful when you do, because it can pop up like it's spring loaded.
Let me know if that addresses your question or if you need additional information.
There is not an adjustment for the lever, but WD-40 would be OK to use on it.
It's not actually supposed to be taken apart. As I said, it's not something you can adjust. But if you can send attach a picture here of what the head of the screw looks like, I can tell you what you need.
Are you kidding? Guys don't wait for directions. Ironic that he's breaking it as you're investigating (I'd be doing what he's doing, too).
Fantastic! This doesn't happen all that often, but you that number that happens to be on there is and ISO standard number, meaning is a 010.9 class hex bolt. You will need a hex socket to screw it back in. Actually, any "hex" head driver will do it... whether it's on the end of a screwdriver, or just a piece of metal. Here's what they look like:
I'm guessing your husband already has these around somewhere because the are used on a LOT of things around the house... nothing special. If you have a hardware store near you, you can get a cheap set for a few dollars. You'll notice that the "nut" part will stay in place if you just put it on the screw part and turn - the nut fits into the plastic firmly, so with a hex wrench/socket/screwdriver, putting it back together will be a simple task.
Let me know if you have any other questions about doing it. BTW... the hex drivers/wrenches that I gave you a link to are around $20... if you get them locally, you probably won't have to pay more than around $10. One is just as good as another for your purposes.