Prepare and Plan WO for Execution Logic Structure—Exercises

Main Exercise

Purpose: The purpose of this lesson is to show you how to sort and order the work orders in a work order structure that was created for an Execution Logic Structure (ELS). The work order structure for an ELS is created when a maintenance order with the Execution Logic Structure distribution type is released. It is a structure of work orders containing operations based on predefined grouping criteria. The grouping criteria is defined per product and model, selected on a maintenance order and functions as a template when generating the work scope for the maintenance order.

In this lesson you will learn how to,

                - Change the start and end dates for a work order and/or an operation

                - Move operations between work orders

                - Use the different options for defining dependencies between the operations of a work order

                - Use the different options for defining dependencies between the work orders in the work order structure

                - Sort duplicate operations for one or more work order, automatically or manually

                - Remove Master/Slave definitions from one or more work orders

                - Calculate and view the critical path

                - Cancel an operation on a work order, including the steps for cancelling a master operation

Once you have finished updating the ELS work order structure (e.g., sequencing, defining dependencies and sorting duplicates), you can continue with the normal work flow for processing work orders. For instance, you can start with the Prepare and Plan WO exercise. To conclude the work order, refer the WO Concluding exercise.

Prerequisites: In order to perform the exercises in this lesson, the Releasing a Maintenance Order exercise must have been completed.

Windows:
Work Order Execution Logic

Change Start and End Dates

  1. Open the Work Order Execution Logic window and query (F3) for the necessary work order structure. Hint: The top work order number is displayed on the maintenance order at the time the order is released.
  2. Click the Gantt chart.
  3. In the chart, select the activity bar for the work order or operation for which you want to change the dates.
  4. Drag the bar forward in time or back in time to set the new dates.
  5. Save your changes (F12).
  6. Verify that the start and end dates have changed for the work order or operation.

Move Operations between Work Orders

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Gantt chart.
  3. Select the activity bar for the operation you want to move, right-click, and then click Move Operation. The Move Operation dialog box opens.
  4. In the editable WO No field, use the List of Values to select the work order to which the operation is to be moved.
  5. Click OK.

Note: The Move Operation dialog box can also be opened from the graphical object structure by right-clicking on the operation node.

Define Dependencies between Operations - 1

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Gantt tab.
  3. Right-click on the graph, and then click Create Dependencies Mode.
  4. Draw dependencies between the operations of the selected work order. Note that any dependencies defined when performing sequencing of the ELS is transferred to the corresponding work order at its creation.
  5. Save the information (F12).

Define Dependencies between Operations - 2

Predecessor:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure select the operation for which you want to define a predecessor.
  3. Click the Dependencies tab and then click the Predecessors sub tab.
  4. Create a new record (F5).
  5. In the Predecessor Operation No field, enter the operation that is to be the predecessor. Use the List of Values to select a valid value.
  6. Save the information (F12).

Successor:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure select the operation for which you want to define a successor.
  3. Click the Dependencies tab and then click the Successors sub tab.
  4. Create a new record (F5).
  5. In the Successor Operation No field, enter the operation that is to be the successor. Use the List of Values to select a valid value.
  6. Save the information (F12).

Define Dependencies between Operations - 3

Predecessor:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Operations tab.
  3. Select one or more operation lines for which you want to define predecessors. Right-click and then click Predecessors.
  4. The Predecessors dialog box opens.
  5. Select the check box against the operation line that should act as the predecessor.
  6. Click Apply and then select another operation for which you will define predecessor information.
  7. Click Save and Close.

Define Dependencies between Work Orders - 1

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Gantt tab.
  3. Right-click on the graph, and then click Create Dependencies Mode.
  4. Draw dependencies between work orders.
  5. Save the information (F12).

Define Dependencies between Work Orders - 2

Predecessor:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure select the work order for which you want to define a predecessor.
  3. Click the Dependencies tab and then click the Predecessors sub tab.
  4. Create a new record (F5).
  5. In the Predecessor WO Number field, enter the operation that is to be the predecessor. Use the List of Values to select a valid value.
  6. Save the information (F12).

Successor:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure select the work order for which you want to define a successor.
  3. Click the Dependencies tab and then click the Successors sub tab.
  4. Create a new record (F5).
  5. In the Successor WO Number field, enter the operation that is to be the successor. Use the List of Values to select a valid value.
  6. Save the information (F12).

Define Duplicate Operations for a Work Order

Automatically Sort Duplicates into master and slave operations:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select a work order, right-click, and then click Set WO Master/Slave.
  3. Duplicate operations will be updated with master and slave definitions.
  4. View duplicate operations by selecting the master operation in the structure, and then clicking the Duplicate Operations tab.

Manually Sort Duplicates into master and slave operations:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select the master operation on a work order, and then click the Duplicate Operations tab.
  3. Select the relevant row, right-click, and then click Set Master Operation or Set Slave Operation.
  4. The Duplicate Type field will be updated with values Master or Slave.

Define Duplicate Operations for multiple Work Order

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select a work order, right-click, and then click Set WO Structure Master/Slave.
  3. The duplicate operations for each work order will be updated with master and slave definitions.
  4. View duplicate operations by selecting the master operation in the structure, and then clicking the Duplicate Operations tab.

Remove Duplicate Operations from Work Order

Automatically remove master and slave definitions from the operations:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select a work order, right-click, and then click Remove WO Master/Slave.

Manually remove master and slave definitions from the operations:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select the master operation on a work order, and then click the Duplicate Operations tab.
  3. Select the necessary slave operation, right-click, and then click Remove Master/Slave Definition.
  4. To remove the master operation, right-click on the row, and then click the same option.

Remove Duplicate Operations from multiple Work Orders

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select a work order, right-click, and then click Remove WO Structure Master/Slave.
  3. All master and slave definitions for the duplicate operations on each work order will be removed.

Calculate Critical Path

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Gantt tab.
  3. Right-click on the graph, and then click Plan/Calculate Critical Path.
  4. To view the critical path, right-click on the graph, and then click Show Critical Work Orders.

Cancel Operation

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. Click the Operations tab.
  3. Select the necessary operation line, right-click, point to Operation Status, and then click Cancel. The Cancellation dialog box opens.
  4. In the Cause field, enter the canceling cause. Click List to select a valid value.
  5. Click OK.

Master Operation:

  1. Make sure that you are in the Work Order Execution Logic window, and that your work order is retrieved.
  2. In the graphical object structure, select the master operation, and then click the Operations tab.
  3. Right-click on the operation, point to Operation Status, and then click Cancel. The Cancellation dialog box opens.
  4. In the Cause field, enter the cancelling cause. Click List to select a valid value.
  5. To cancel all slave operations, select the Cancel All Slave Operations check box.
  6. To define a new master operation, select the Select New Master Operation check box.
  7. In the New Master Operation No field, enter the operation you want to have as the new master operation. Click List to select a valid value.

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