Accelerator pump check /checkball &weight

Hi, I bought a spare Holley 1945 to take along on my upcoming winter road trip. Donor car was a 75 valiant. I’ve only done three carb rebuilds, never seen this before so not sure how to proceed. Would appreciate any help.

Was about to test the accelerator pump without check ball and weight and realized I have the weight stuck in there. Barely getting any flow. It looks like the rod is solid in there. I can’t even get it to wiggle. Any suggestions to get this thing out?

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