Getting the broken bolt out took ages. Steel in aluminium gets stuck real good. My usual tricks failed and I had to drill it out. At least it wasn't stainless steel. Then some recutting of mangled threads and finding a replacement bolt.
Not done, but meanwhile I threw some phophoric acid on the steel parts.
Fixing up this diesel hand pump I found in the garage/barn a while ago.
The leather seal around the piston was slipped out of place, but it was fixable - hope it'll stay in place. Apart from that, just one bolt broke and some rust, mostly on the outside, as the fuel inside had preserved it.
The aluminium parts are a really bad sand casting job, but it should hold anyways. May need some metal epoxy putty.
Cleaning up the parts now. Then test before painting.
G.
Industrial Heart.
Industrial Heart is a minimalist, semi abstract, gouache painting.
[ Prints : https://james-mccormack.pixels.com/featured/industrial-heart-james-mccormack.html ]
New video! The pump in my ZD-915 desoldering station stopped working! Let's investigate and try to fix it!
YouTube: https://youtu.be/QP5PTcFVfT4
PeerTube: https://makertube.net/w/g2iCf6nb8ZMmDwwf14FC6U
ZD-915 Desoldering Station Pump Repair
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Hydrogeologic Investigation, Framework, And Conceptual Flow Model Of The Antlers Aquifer, Southeastern Oklahoma, 1980–2022
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https://doi.org/10.3133/sir20255013 <-- shared USGS publication
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https://waterdata.usgs.gov/nwis <-- shared USGS National Water Information System (NWIS) database
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https://doi.org/10.5066/P14C6QFS <-- shared associated USGS open data release
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@USGS
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Estimation Of Groundwater Storage Loss Using Surface–Subsurface Hydrologic Modeling In An Irrigated Agricultural Region
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https://doi.org/10.1038/s41598-025-92987-6 <-- shared paper
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