Good homemade tools are a lifesaver. As mentioned above, a drag link socket is the tool you would need to buy if you couldn't make something. Here's what they look like ---
https://www.zoro.com/proto-drag-link...CABEgLjePD_BwE
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149, 2072, Original, 1772, 1782, #1 cart, Parker 48" sweeper,
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