Ground Rod/Strap - Inspect - TM-55-4920-439-13-P0066

TM 55-4920-439-13&P

3-15. Ground Rod/Strap - Inspect

3-15

This task covers: Inspection of ground rod and strap

INITIAL SETUP

Tools:

Tool Kit, Electrical Repairer, Army Aircraft, NSN 5180-00-323-4915

Personnel Required:

68F Aircraft Electrician

Reference Information:

TM 55-1500-04-25/1

TC 11-6

INSPECTION

WARNING

HIGH VOLTAGE exists in the electrical system of this shop. All electrical

inspections, repairs or replacements shall be performed with the power OFF and

only by qualified electricians. Serious shock hazards exist which could result in

serious injury or death to personnel.

1. Check ground rod.

a. Ensure ground rod (1) is firmly driven into

ground.

b. Ensure that clamp (2) and screw (3) are

securely fastened.

c. Ensure there is no sign of oxidation around

clamp (2) or screw (3).

d. Check that ground strap (4) is not frayed or

broken.

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