D60x90 Navigator HDD Maintenance
Maintenance - 4500 Hours 55-1
Section 55: Maintenance - 4500 Hours
D
IESEL
P
ARTICULATE
F
ILTER
(DPF) - F
ORCED
R
EGENERATION
The DPF is self-cleaning and generally requires no operator action. Automatic
regeneration is the standard mode.
However, if the
Diesel Particulate Filter Light
(1)
is yellow, a forced
regeneration may be required.
Perform forced regeneration at 4500 hours regardless of whether warning
light is on.
Refer to the Engine Operation Manual for complete information.
NOTICE:
Failure to follow procedures specified in the Engine Operation
Manual may violate U.S. federal, state and local hazardous waste laws, and
may damage the DPF resulting in potential denial of the Diesel Exhaust Filter
emissions warranty. If this results in premature failure of exhaust system
components, an engine service technician will be required to perform a service
regeneration.
Step 1:
Park machine in a location so exhaust is not directed at any surface or material that could be
flammable.
Step 2:
Press
Request DPF Regeneration Switch
(2)
. The
High Exhaust System Temperature (HEST) Light
(3)
will turn red, engine RPM will increase, and a change to the sound of the turbocharger will occur.
Step 3:
Monitor machine and surrounding area for unsafe conditions. If necessary, shut off machine.
When DPF is regenerated, the engine will return to normal idle speed and
HEST Light
will shut off. Exhaust
temperatures will remain elevated for 3–5 minutes.
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