6. Remove the L-shaped DC busbars at the top of the module. Make note of the
orientation of the screws as well as the order of the washers.
7. Close the inlet valve (a) and outlet valve (located on the right-hand side of the
cubicle). Lead the drain hoses (b, on both sides of the cubicle) into a suitable
container. Open the drain valves (c, on both sides of the cubicle). This will drain
all modules in the cubicle.
106 Maintenance