Master Lock #175

The boat's Master Lock (model #175) internal lock mechanism froze/jammed after I opened it yesterday.

I tried flushing it with WD-40
- No Joy.

I soaked it in hot soapy water.
- No Joy.

I tried hammering it.
- No Joy.

I dried it out - and filled it with 3-in-1 oil
- No Joy.

Tried using the master key to reset the combination.
- No Joy.

Dejected, and resigned to the conclusion that I would have to throw it away and buy a new one - I set it down on the table in the main cabin.
- I heard a distinct "click"

I tried closing it one more time...
- Joy Found.