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1940s Blackhawk hydraulic jack Model AA8.5 – 5 ton capacity Dramatic proof that Blackhawk jacks are your best buy. Clevis pin. Clevis pin number 2. Missing clevis pin someone replaced with a carriage bolt. I'll have to make a new one. Release valve screw. A little bent. Will need to be straightened. Stuck! Impact driver. Greatest tool ever! acetone Foaming degreaser. Like regular degreaser, but more fun! I'll probably need to buy a new toothbrush after this.
The extension screw is totally seized up in the ram. The bent relief valve screw. I need to fabricate another one of these. One new clevis pin. The rivet heads snapped off. Not much left on the name plate. Ready for reassembly. Anti-seize compound. A little tight without any oil in there yet. Couldn't rind a replacement piston seal, so I'm making one from an O ring. Hydraulic oil. The nameplate is beyond repair so I decided on a simple decal of the logo. It needs a handle. Let's make one. Knurling the handle. Rilling out to reduce the weight.
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