Motion & Valves

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The compressed air motor on one of the wheel rollers used to turn the wheels through valve cycles.

After disconnecting the coupling rods to the back set of wheels, a set of rollers was introduced under the front and middle sets. These were turned with socket wrenches with long metal tubes to supply leverage, and an air pump between the middle set of wheels to assist. As weeks of valve setting went by, the wheels became significantly easier to turn