TM 10-6640-216-13&P
2-11. ASSEMBLY AND PREPARATION FOR USE - continued.
WARNING
Death or serious injury may result from connecting main power cable to
Airmobile Laboratory before grounding the laboratory
NOTE
The grounding rod, driver/puller, and grounding cable, are stored and
shipped in the overpack box.
(1)
Remove grounding rod, driver/puller, and grounding cable from overpack box.
(2)
Select an area as close to the laboratory electrical connector receptacle as possible
to install grounding rod.
(3)
Attach first grounding rod and coupling to the driver/puller rod (refer to Figure
2-11).
NOTE
Before driving rounding rod, be certain that driver/puller rod and
grounding rod are fully threaded into coupling. Be sure collar is hand
tight against coupling.
(4)
Place driver/puller on driver/puller rod and drive grounding rod into ground
approximately 30 inches.
CAUTION
Do not allow grounding rod to rotate when disconnecting the
driver/puller rod from the grounding rod. Grounding sections must be
kept screwed together to ensure a good electrical ground.
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Remove driver/puller rod and driver/puller from first grounding rod section.
Attach second section of grounding rod to first section and attach driver/puller rod
to second section and drive into ground.
Repeat steps (5 and 6) and drive third section of grounding rod into ground until
only 12 in. (30.5 cm) of rod is above ground.
Remove driver/puller and driver/puller rod from third section of grounding rod.
Place driver/puller and driver/puller rod in overpack box.
Slide grounding cable clamp over grounding rod.
Attach grounding cable to grounding rod with grounding clamp.
Attach grounding cable to grounding lug in laboratory electrical connector
receptacle (refer to Figure 2-12.)
2-31
