POWER TRAIN RT765E-2 SERVICE MANUAL
7-6
Published 9-04-2014, Control # 422-08
Inhibit Regeneration Indicator
The Inhibit Regeneration indicator is located in the steering
column gauge display. When the Diesel Particulate Filter
Regeneration switch is in the inhibit regeneration position,
this amber indicator is illuminated.
High Exhaust System Temperature
The High Exhaust System Temperature (HEST) indicator is
located in the steering column gauge display.
During regeneration it is possible for the engine exhaust to
reach temperatures exceeding 1200°F. The HEST indicator
will illuminate red to warn the operator of when temperatures
reach 1247°F (675°C) and will stay on until the temperatures
fall below 1157°F (625°C).
Warning lights near the tailpipe will flash during regeneration
when high exhaust temperatures exist.
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