Define Maintenance Time Unit
Explanation
Use this activity to define maintenance time units. These defined time units
will secure selection of valid time units for maintenance planning. 
Prerequisites
  - The time units must be predefined in the Units of Measure 
	window.
System Effects
  - Execution of modifications can be based on the maintenance time unit.
- Preventive checks can be based on the maintenance time unit.
Window
Maintenance Program Basic Data
Related Window Descriptions
Maintenance Program Basic Data/Maint Time
Unit
Procedure
  - Open the Maintenance Program Basic Data window and click the 
	Maint
    Time Unit tab.
- Create a new record or query for an existing one.
- In the  Maint Time Unit field, click List of Values and select a  Unit
    Code. Once saved, the field
    cannot be modified.
- In the  No of Days field, enter the number of days the Unit Code equals.
    E.g. 1 year = 365 days. The following Maint Time Units are predefines in the
    application: Day, Hour, Week, Month, Year.
- Save the changes.