Lubrication should include

shutting off the power to the motor
checking the manufacturer's maintenance manual for lubrication points and recommended lubricant and amounts
selecting the lubricants
checking oil wells and grease cups
filling the oil wells to half depth
filling the grease cups if they are less than half empty
screwing the grease cups down slightly, forcing grease into the bearings
screwing the cups back to their original positions
wiping the motor and motor parts clean of oil and grease
turning on the power to the motor
checking the performance.

Process/Skill Questions:

What are the relevant safety precautions/procedures for lubricating an electrical motor?
What are the characteristics of different lubricating materials?
What tools and materials are used for lubricating an electrical motor?