ITEM TOOLKIT

Chapter 10 MainTain 231
Defining the Maintenance Philosophy & Fault Isolation Resolution for Each Ri Set
1. Select the first RI (Replaceable Item) in the system and click the “Fault Isolation to a Group of RI’s in the General
dialog tab. The Maintenance Philosophy & Fault Isolation dialog tab becomes active.
2. Click on the Maintenance Philosophy & Fault Isolation dialog tab.
3. Click on New Group button (A) and the RI Group name will be set as “Group 1” (B) and tick Group Replacement in
the “Isolation to a Group of RI’s” section (C) to set the maintenance philosophy for the group.
B
C
A
4. Click the Add button (D) twice in the Fault Resolution section (still in the Maintenance Philosophy & Fault Isolation
dialog tab).
5. Click in the “Resolution %” for the first line just inserted (E) and change the number to 20%.
6. Leave the “No. of RI’s” set to 1 for the first line and click in the Resolution % for the second line inserted.
7. Leave the “Resolution %” at 100% and change the “No. of RI’s” to 2 (F).
E
D
F
8. You have now said that 20% of the time the operator/maintenance technician will be able to isolate the fault to 1 RI,
and for the rest of the time (100%), the operator/maintenance technician will be able to isolate the fault to 2 RI’s.