Shark Navigator Lightweight Upright Motherboard Replacement

Detach the hose connected on the bottom of the vacuum by pulling it out of the casing.

Lay the vacuum on its side.

Press in the black, rubberish button located on the back of the vacuum to detach the vacuum head from the body.

Flip over the vacuum head so the brush head is facing up.

Remove the small front wheels with a metal spudger by inserting the metal spudger in front of the wheel and slowly prying up. This will free the wheel and reveal the screw beneath it.

Repeat this for the other wheel.

Remove the two 18mm screws with a JIS 1 screwdriver.

Remove the four 18mm screws located on the top corners and the bottom/middle of the vacuum head using a JIS 1 screwdriver.

Remove the two 18mm screws located on the inside of the large wheels using a JIS 1 screwdriver.

Remove the plastic cover by prying the plastic cover up using a plastic opening tool.

Locate the motor on the top right corner of the vacuum head shell.

Remove the belt from the motor gear by sliding the belt to the right.

Remove the white metal wire connector from the motor.

Remove the black metal wire connector from the motor.

Remove the two 12mm screws using a JIS 1 screwdriver.

Remove the wire housing by removing one 12mm screw using a JIS 1 screwdriver.

Lift up the wire housing from the plastic base using tweezers.

Free the black and white cables that were previously attached to the motor from their slot.

Free the motherboard and its connecting parts from the rest of the vacuum.

Turn the motherboard upside-down and spread wires out.

Heat the wire connection's solder joint until the joint looks wet and liquidy.

While maintaining contact with the solder iron, free the wire end by pulling the wire away from the board with the tweezers.

Completely free the cable by pulling it out of the board.

Repeat for the remaining cables. There are 4 total.