Machining a new key slot in a ball valve – the $2,400 mistake.

When the boiler on the Reading 2100 steam locomotive (soon to be American Freedom Train 250) is fired up again, instead of coal, it will be running on oil. As a result, there needs to be a way to regulate the flow of oil into the firebox using a new valve that will be controlled by a power quadrant. The ball valve for the oil flow has a specially designed ball to feather the rate of oil flow at the low end of the curve. The problem is the valve opens counter clockwise, and ASR needs it to open clockwise. This entails machining a new key slot in the opposite side of the valve. This is a special valve that you can’t just buy a replacement ball, so if I screw it up, it’s a $2,400 bill to replace it.

Anchorlube: https://amzn.to/3Y8LmLz

@midwestrailway
@AmericanSteamRailroad

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