Kärcher ARMADA BRC 40/22 C Manual page 15

Brush motor removal and disassembly process
Rotate the head until the vac shoe hose is exposed. Remove
the hose from the mount by pulling it toward you.
Using a T-25 Torx driver, remove the 3 screws on the outer left
side of the upper deck housing.
Place the adjustment knob into position 1 and tip the machine
on its back, note the position of the cam. Using a 10 mm sock-
et on a 1/4" drive ratchet, remove the nut on the height ad-
justment screw.
Remove the 3 screws from the Right side of the deck housing.
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