Secure the guard on to the fan unit by re-fitting the guard nut. Tighten the guard nut by
turning it clockwise.
Secure the fan blade on the motor shaft by re-fitting the blade cap. Tighten the blade cap by
turning it anti-clockwise.
Place the front guard onto the rear guard by positioning the top clip on the uppermost part
of the rear guard. Push the top clip down and press the rim of the front guard onto the rear
guard ensuring a tight fit all the way round.
Close the bottom clip. Tighten the bottom clip screw by turning it clockwise.