There is no service manual pages on this car for one reason or another. This is a hard car to work on. It was not one of Lionel's best operating cars. There was a 'finger' that is easily broken off if adjusted 1 too many times that drops down in the cutout on the ratchet wheel. That opens and closes the door. The car takes more voltage on the first cycle to open the door. Then drop the voltage for the next 5 cycles so the crates don't fly 3 feet from the car. I have successfully soldered on a short piece of brass rod to replace the broken stamped finger. It has to be a strong solder connection as it is load bearing. When the mechanism is fully tuned, I can get the car to work properly 98 percent of the time. The mechanism works similar to an American Flyer reverse unit with large geared cog.
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