Mixer Grinder Repair,Part-5,mixer grinder's motor bush lubrication

In this video i am repairing a defective mixer grinder bought in very bad condition.
I am going to do following repair work on this mixer grinder
1) How to replace the Coupler of Mixer Grinder
2)How to lubricate the bearing and bush of motor of mixer grinder
3)How to replace the defective indicator (Current on) bulb of mixer grinder
4) How to reduce the vibration of mixer grinder
5)How to replace the defective safety circuit breaker of Mixer Grinder.
Please watch the whole video series over repairing Defective Mixer Grinder.