Connect grounding cable from loading rack or stand to any of three grounding studs (1) on
Connect any of three M969A3 static reel cables (2) to a facility earth ground (metal rod or metal
If no suitable ground exists at facility:
Remove portable grounding rod (3) from M969A3.
Insert portable grounding rod (3) in accordance with FM 10-67-1 into the ground a short
distance from M969A3.
Connect closest static reel cable (2) to portable grounding rod.
REMOVING GROUNDING CABLES
Disconnect static reel cable (2) from M969A3 portable grounding rod (3) or facility ground and
secure on semitrailer.
Reinstall semitrailer portable grounding rod (3) to semitrailer if used.
Disconnect static reel cable (2) and return from loading rack or stand.
OPERATION UNDER USUAL CONDITIONS--Continued
DISCONNECTING NEGATIVE BATTERY TERMINAL
When performing maintenance on any of the M969A3
systems, the negative battery terminal should always
be disconnected to prevent against possible electrical
shocks or damage to equipment.
Remove wingnut (3) from negative battery terminal (2).
Remove cables (1) from terminal (2)