Operation and maintenance manual

SEBU8601-01 89
Maintenance Section
ARD Spark Plug - Clean/Inspect/Replace
i03975571
ARD Spark Plug -
Clean/Insp e c
t/Replace
•
ARD Aftertreatment Regeneration Device
NOTICE
If the engin
eisrunning,orthekeyswitchisintheON
position the ARD spark plug will continue to fire. Turn
the keyswitch to the OFF position before servicing the
ARD spark p
lug.
g01947378
Illustration 46
1. Ensure that the power is in the “OFF” position and
that the engine was stopped. Remove any dirt
or debris from the area around the spark plug.
Remove wire harness (2) from spark plug (1).
2. Use a T40006 Socket in order to remove the
spark plug. Loosen the spark plug and use the
socket to remove the spark plug by hand in order
to detect problems with the threads. Discard the
spark plug.
g02148769
Illustration 47
3. Use T400005 Plug Bore Brush in order to clean
the ground electrode (3).
4. Install the new spark plug by hand. Tighten the
spark plug to a torque of 47 N·m (34 lb ft).
5. Connect the wiring harness (2).
i01807350
Aftercooler Core - Clean/Test
(Air-To-Air Aftercooler)
The air-to-air aftercooler is OEM installed in many
applications. Please refer to the OEM specifications
for information that is related to the aftercooler.
i02322295
Aftercooler Core - In spect
Note: Adjust the frequency of cleaning according to
the effects of the operating environment.
Inspect the aftercooler for these items: damaged fins,
corrosion, dirt, grease, insects, leaves, oil, and other
debris. Clean the aftercooler, if necessary.
For air-to-air aftercoolers, use the same methods that
are used for cleaning radiators.