Shark Navigator Lightweight Upright Motherboard Replacement

Introduction

The motherboard serves as the command center for the vacuum's functions. Over time, components on the board may loosen or fail, requiring replacement. This guide provides the necessary steps for this procedure.

Tools Required:

• iFixit Opening Tools
• Metal Spudger
• Soldering Iron
• Tweezers
• JIS #1 Screwdriver

Step 1 — Head Shell

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

Visual Description: Two images show hands disconnecting a flexible hose from the vacuum's base.

Step 2

Lay the vacuum on its side.

Press the black rubber button located on the back of the vacuum to detach the vacuum head from the main body.

Visual Description: Two images show the vacuum being laid on its side and a hand pressing a button to release the head.

Step 3

Flip the vacuum head over so that the brush head is facing upwards.

Visual Description: An image shows the vacuum head flipped over, exposing the brush roller.

Step 4

Remove the small front wheels. Insert a metal spudger in front of each wheel and gently pry upwards. This action will release the wheel and expose the screw underneath.

Repeat this process for the other front wheel.

Visual Description: Three images demonstrate using a metal spudger to carefully lever the front wheels off the vacuum head, revealing screws.

Step 5

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

Visual Description: Two images show a JIS 1 screwdriver removing two 18mm screws from the vacuum head.

Step 6

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

Visual Description: Two images show a JIS 1 screwdriver removing four 18mm screws from various points on the vacuum head.

Step 7

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

Visual Description: Two images show a JIS 1 screwdriver removing two 18mm screws from the inner side of the vacuum's larger wheels.

Step 8

Remove the plastic cover by prying it upwards using a plastic opening tool. Prying in multiple locations may be necessary to create separation.

Visual Description: Three images illustrate using a plastic opening tool to carefully pry off a plastic cover from the vacuum head.

Step 9 — Motor

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

Visual Description: An image highlights the motor's position within the vacuum head shell.

Step 10

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

Visual Description: Three images show the process of sliding the drive belt off the motor's gear.

Step 11

Remove the white metal wire connector from the motor. The white cable is positive.

Visual Description: Three images show a hand disconnecting the white wire connector from the motor.

Step 12

Remove the black metal wire connector from the motor. The black cable is negative.

Visual Description: Two images show a hand disconnecting the black wire connector from the motor.

Step 13 — Motherboard

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

Visual Description: Two images show a JIS 1 screwdriver removing two 12mm screws securing the motherboard.

Step 14

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

Visual Description: An image shows a JIS 1 screwdriver removing a 12mm screw from the wire housing.

Step 15

Lift the wire housing from the plastic base using tweezers.

Visual Description: Two images show tweezers being used to lift the wire housing away from the base.

Step 16

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

Visual Description: An image shows hands freeing the motor cables from their retaining slot.

Step 17

Free the motherboard and its connecting parts from the rest of the vacuum. Turn the motherboard upside-down and spread the wires out.

Visual Description: Two images show the detached motherboard with its connected wires spread out.

Step 18

Heat the wire connection's solder joint until the joint appears molten.

While maintaining contact with the soldering iron, use tweezers to gently pull the wire away from the board, freeing the connection.

✔️ For detailed instructions on proper soldering techniques, refer to the guide: How To Solder and Desolder Connections.

? Remember the original position of each soldered cable to ensure correct re-attachment during reassembly.

⚠️ The soldering iron is extremely hot and requires careful handling. Always wear eye protection when soldering.

Visual Description: Two images show a soldering iron heating a wire connection on the motherboard and tweezers pulling the wire free.

Step 19

Completely free the cable by pulling it out of the board. Repeat this process for the remaining three cables, for a total of four.

To reassemble your device, follow these instructions in reverse order.

Visual Description: Three images show the final cables being disconnected from the motherboard.