Ian
Notorious member
Like most of my projects, this one has turned into more than I bargained for. However, I'm finally starting to get the upper hand. I didn't take pictures of the paint scraping or wire-wheeling, but we all know what that looks like anyway.
Here's what I started with:
Someone had painted it with an emerald green metallic automotive paint without disassembling much, so it was rough in places. They did a good job masking it, but painted over all the gib screws and lock nuts and painted things like the top rails of the tower which are supposed to be in the white.
My first concern was the condition of the ram ways. Almost no lubrication was getting to them from the oil pump and the ways were coated in a grey paste of old oil and stuff that should be part of the machine and not the contents of the sump. So I know the ways need work and so does the oil pump.
Once I got the machine stripped down I found the left way oil tube plugged up at the pump manifold and the right way tube plugged at the orifice that lubricates the gib. The oil pump was bypassing most of its oil through the pressure relief valve and not much was getting to the gears and none was getting to the funnel that lubes the sliding block. The bronze sliding block is severely galled and the way arm is worn wider in the middle from the block not being lubricated. The machine's design allows chips to get inside the tower where they get run through the gears, through the sliding mechanism, and collect in the sump where the oil pump can siphon them up.
Here are the bug chunks after being washed in my varsol vat:
Here's what I started with:
Someone had painted it with an emerald green metallic automotive paint without disassembling much, so it was rough in places. They did a good job masking it, but painted over all the gib screws and lock nuts and painted things like the top rails of the tower which are supposed to be in the white.
My first concern was the condition of the ram ways. Almost no lubrication was getting to them from the oil pump and the ways were coated in a grey paste of old oil and stuff that should be part of the machine and not the contents of the sump. So I know the ways need work and so does the oil pump.
Once I got the machine stripped down I found the left way oil tube plugged up at the pump manifold and the right way tube plugged at the orifice that lubricates the gib. The oil pump was bypassing most of its oil through the pressure relief valve and not much was getting to the gears and none was getting to the funnel that lubes the sliding block. The bronze sliding block is severely galled and the way arm is worn wider in the middle from the block not being lubricated. The machine's design allows chips to get inside the tower where they get run through the gears, through the sliding mechanism, and collect in the sump where the oil pump can siphon them up.
Here are the bug chunks after being washed in my varsol vat: