Posted by Ken Macfarlane on December 09, 2014 at 13:56:31 from (142.166.168.2):
Working on a friends JD 120 excavator, he blew a hose down in the bowels of the machine. Of course its in a clearcut, far from the road, and its been -20 C the last few days.
Nut on the hose thats in the way to the one we are trying to remove is 1.25" on the flats - jic I think onto a metric adapter.
He tried to get at it from the top by feel with a crowsfoot on 36" of extensions.
My other friend and I tried for an hour as well before deciding to fire it up and swing it so we could get it in the bottom. After an hour of breathing and drinking dripping hydraulic fluid underneath we can get on the nut with a combination wrench but can't break it loose before wrench hits other components.
My buddy wants to heat it with a torch. I've explained what the results of a wood and oil soaked compartment meeting torch looks like.
I can't get a mini sledge into the space to beat on a cut off open end wrench. Heading tonight to look for a breaker bar with micro fine rachet that I can bend or weld into a shape that works on a crowsfoot.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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