Kärcher ARMADA BRC 40/22 C Manual page 16

To access the screws holding the electrical cover and upper deck cover, you must remove the pump per the pump removal
procedure starting on page 13.
With the screw access holes in the bottom of the pump housing exposed, Rotate the head to align the screws. Using a T-25 Torx
driver, remove the 4 screws.
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