84 300D door wont lock

[HughO]

Hello Folks.My 84 300 wagon has the driver door which wont lock manually. The vacuum locks are long gone along with the actuators. All of the doors will lock manually but the driver's door. The key will try to lock but stops before letting the plunger descend. It turns fully to unlock. I removed the panel and could see that the lock mechanism stops after about 1/4". It is clean and lubricated. I have converted this wagon from complex to simple removing the broken hydraulic suspension and converting power windows to roll up. This is my last job. Any ideas? I hate to pull out a working latch. I have no nearby recylers in my remote area of Wyoming.