Instructions – Hold bike in a Bike Stand or have someone hold the bike for you. Shift the gears to the smallest rear cog and the front middle chain ring. Ensure smooth back pedaling is possible. Fill sump with PREPSOL to the fill line. Fit sump section over chain and replace lid above chain. Slide handle into place. Spin pedals slowly whilst holding the tool. Remove tool and dispose of used PREPSOL (It is water based and can safely disposed of down the drain). Repeat as necessary.