TM 1-4920-500-13&P
ARMAMENT AND ELECTRICAL SHOP
OPERATION UNDER USUAL CONDITIONS
EXTERNAL GROUNDING OF SHELTER
NOTE
Shelter is grounded through an externally connected power supply. Consult a
qualified electrician for proper grounding procedures required for surrounding soil
conditions.
1
3
4
5
6
2
7
SSAE020
1. Remove ground rod assembly (2 and 3) from shelter BII box (WP 0002, Figure 2, Item 12).
2. Obtain slide hammer from shelter BII box (WP 0002, Figure 2, Item 12).
NOTE
Ground rod location should permit ground cable lug to reach ground stud on
power entry panel.
3. Drive ground rod (2) into earth using slide hammer.
4. Remove nut (4), lock washer (5), and flat washer (6) from ground stud (7) on power entry panel (1).
5. Connect ground cable lug (3) to ground stud (7).
6. Secure with flat washer (6), lock washer (5), and nut (4).
7. Ensure all connections are secure.