Dear Libra9, you, like many bloggers, are seeking help without providing much information. Where do you work and what sort of machines are you using? Maintenance requirements vary from machine to machine. Have you searched the net for material on Preventive Maintenance? I found over 240,000 hits for "preventive maintenance schedule template" using Google. Some of the discussions are an eye-opener.
Have a nice day.
Regards, Simhan