TM 10-6640-215-13
2-7. ASSEMBLY AND PREPARATION FOR USE - continued.
Raise ECU maintenance platform by removing two center key and retaining pins. Lift platform to operating
position and reattach cable with pins and cotter key.
d.
Drain Hose Connection. Connect drain hoses to the sink deck drain located adjacent to the curbside storage
box, and to the forward deck drain located on the roadside beneath the mechanical room. Dig a drainage ditch or
sump, and place the ends of the drainage hoses in it.
e.
Laboratory Grounding. The following procedure is used to properly ground the Petroleum Laboratory.
WARNING
Do not connect main power cable to the Petroleum Laboratory before
properly grounding the laboratory. Failure to comply with this warning
could result in serious injury or death.
NOTE
The grounding rod driver/puller, and grounding cable are stored in the
roadside storage box.
(1)
Remove grounding rod, driver/puller, and grounding cable from storage box.
(2)
Select an area as close to the power input panel as possible to install grounding rod.
(3)
Attach first grounding rod and coupling to the driver/puller rod. (Refer to Figure 2-16).
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.
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.
(5)
Remove driver/puller rod and driver/puller from first grounding rod section.
(6)
Attach second section of grounding rod to first section and attach driver/puller to second section and
drive into ground.
(7)
Repeat step (6). Drive third section of grounding rod into ground until only 12 in. (30.5 cm) of rod is
above ground.
(8)
Remove driver/puller and driver/puller rod from third section of grounding rod.
2-43
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