Maintenance of, or to Change a faulty MCB (motor control board) презентация

Turn machine on to its side
When you turn the machine onto its side place a rug or polystyrene to protect the frame. Make sure it lies on its right side so the console pole attachment is on the upside.
Console attachment on upside

Remove motor cover
Carefully remove the motor cover by unscrewing 5 screws on the front and 3 on the back. If maintenance is not carried out monthly during heavy usage, this is what it will look like. Gently hoover hair away. Then clean inside of motor cover.

Once all Hair is removed
Use a fast drying electrical contact cleaner. Spray into MCB connections and areas with dust or residue on.
Then LET IT DRY

Now connect power lead to mains. A good working MCB will show 2 green lights.

Another view of good MCB

Bad MCB showing red lights

Another faulty MCB

Changing the MCB
Disconnect power lead from mains. Disconnect all cables circled in red.

Another view
4 connectors
2 pin,3 pin,
6 pin, 9 pin
2 cables
Red and Black
2 cables
White and Black
1 connector

Next disconnect the Torque board
Undo 2 crews

Next disconnect the earth wire

Finally unscrew the MCB
Only two screws under choke.