TM 1-4920-500-13&P
ARMAMENT AND ELECTRICAL SHOP
MAINTENANCE INSTRUCTIONS FOR GROUND ROD
INITIAL SETUP
Tools And Special Tools:
References:
General Mechanics Tool Kit
N/A
(WP 0042 00, Table 2, Item 101)
Equipment Conditions:
Multimeter (WP 0042 00, Table 2, Item 106)
Functional
Materials/Parts:
Ground Rod (WP 0044 00, Figure 21 Item 1)
Electrical Clamp (WP 0044 00, Figure 21 Item 2)
Electrical Wire (Bulk)
(WP 0044 00, Figure 21 Item 3)
Personnel Required: (1)
CMF 15 Series Aircraft Electrician
WARNING
HIGH VOLTAGE exists in electrical system of shop. All electrical inspections,
repairs, or replacements will be performed with power OFF and only by a
qualified electrician. Serious shock hazards exist which could result in INJURY
OR EVEN DEATH to personnel.
1
2
3
4
SSAE153
INSPECT
1. Move main circuit breaker to OFF position.
2. Ensure ground rod (1) is firmly driven into ground.
3. Ensure Bayonet Neil Concelman (BNC) clamp (2) and screw (3) are securely fastened.
4. Ensure there is no sign of oxidation around clamp (2) or screw (3).
5. Ensure that ground cable (4) is not frayed or broken.
6. Move main circuit breaker to ON position.