I swapped in the Coleman part and here is the result. I still have some leak hunting to do, but I do have a working lantern. Thanks guys! [ATTACH]
Here are some pictures of the pump piston, pump barrel, and the complete lantern. [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH]
Thanks, Neil. I'll try to get some pics up tonight. The gasket that seals the piston against the piston is badly worn and does not seal at all....
I recently acquired an American Gas Machine No 3927-A lantern that has a non-functional air pump. I am new to the world of old lantern repair and...
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