iiiFIELD SERVICE INSTRUCTIONS MN285009EN April 2019
Contents
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY ................................... II
SAFETY FOR LIFE .........................................................................iv
SAFETY INFORMATION ....................................................................iv
Safety instructions .............................................................................. iv
REQUIRED PARTS & MATERIALS ............................................................ 1
SUGGESTED TOOLS & SUPPLIES ............................................................ 1
PRE-ARRIVAL TASKS ....................................................................... 3
PROCEDURE .............................................................................. 3
1. PREPARE UNIT FOR SERVICE AND VERIFY PARTS ........................................ 3
2. PERFORM THE SWITCHGEAR APPARATUS FUNCTIONAL TEST ............................. 4
3. IF APPLICABLE: REMOVE THE CABLE CABINETS ......................................... 6
4. REMOVE THE SIDE COVER NUT-GUARDS ............................................... 7
5. REMOVE THE COVER FASTENERS ..................................................... 7
6. REMOVE THE COVER ................................................................ 8
7. REMOVE THE COVER GASKETS ....................................................... 8
8. CLEAN THE FLANGES ............................................................... 9
9. INSTALL NEW GASKETS ............................................................. 9
10. PREPARE THE COVER FOR REINSTALLATION ............................................11
11. REINSTALL THE COVER ............................................................. 12
12. PERFORM A LEAK TEST ............................................................. 13
13. APPLY TOUCH-UP PAINT TO THE COVER BOLTS ......................................... 16
14. REINSTALL THE SIDE COVER NUT-GUARDS ............................................ 16
15. IF APPLICABLE: REINSTALL THE CABLE CABINETS ...................................... 16
16. REPEAT THE SWITCHGEAR APPARATUS FUNCTIONAL TEST ...............................17