DIY Series 83: Fixing PerySmith Smart Cordless Vacuum Cleaner (Ai.9 Lite)

Fixing PerySmith Smart Cordless Vacuum Cleaner (Ai.9 Lite)

Symptoms:

• Vacuum cleaner brush roller unable to rotate, thus it is not working at all

Findings:

• Teardown to check the motor and rubber belt, everything is running smoothly
• The roller holder is not rotating only when having a load, means unable to drive at high torque
• Identified loosen screw unable to drive the roller holder due to wear and tear at screw hole
• Unable to find any replacement parts (roller holder) online locally, thus trying on fixing it without involving any new parts

Videos:

1. Video from the vacuum cleaner's owner. Brush roller is not working.
2. Teardown the roller head module and check the motor & rubber belt, no abnormality found.
3. Use hand to hold the roller holder while motor is operating, found the culprit (loosen screw)
4. After fixing (using epoxy resin), test the roller holder operation
5. After fixing (using epoxy resin), test the brush roller operation

Photos:

1. Example of Epoxy Resin (1:1 ratio) solution kit
2. Pour same amount of resin and hardener into a container, stir and mix it with wooden stick.
3. Use the dropper to drop the epoxy resin into the roller holder (where the loosen screw located)
4. Let the epoxy resin to be harden overnight (recommended at least 24hrs)
5. Use the leftover epoxy resin to make some wildflower keychains (byproducts)

Tools:

• Screwdriver
• Epoxy Resin Solution Kit

Cost Involved:

• Epoxy Resin Solution Kit: USD$6.00 ~ USD$8.00