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20 08 CONTESSA
CHASSIS INFORMATION — 10
DPF Light Warning System:
There are four stages of the DPF light warning
system. The CRS operates automatically;
therefore, operating the motorhome regularly
at speeds greater than 20 mph should keep the
emission system properly maintained.
If the DPF light does illuminate, the only
indication that the DPF is clear and in good
working order is the DPF light turning back off
at speeds less than 20 mph.
Stage One: The DPF light glows steady.
This means that an active regeneration
cycle is necessary but has not been able
to initiate. The CRS will now initiate
regenerations at speeds greater than 5
mph (as opposed to 20 mph when soot
levels are low).
Stage Two: The DPF light ashes. The
DPF lter has elevated soot levels and
requires regeneration. The CRS will now
initiate regenerations at speeds greater
than 5 mph (as opposed to 20 mph when
soot levels are low).
Stage Three: The DPF light ashes and
the Check Engine light turns on. The
engine will begin to derate. The CRS
will now initiate regenerations at speeds
greater than 5 mph (as opposed to 20
mph when soot levels are low).
Stage Four: The DPF light ashes and
Check Engine and Stop Engine lights
turn on. The engine will severely derate.
Regeneration is still possible at this
point by driving at speeds greater than
5 mph. If regeneration is not initiated,
soot levels will continue to increase.
If the CRS determines soot levels
are too high for mobile regeneration,
regeneration is locked out. Once locked
out, regeneration can be initiated only
by using the Caterpillar Service Tool.
The DPF will have to be serviced by an
authorized Caterpillar Service Center.
NOTE:
No indication is given when
regeneration is locked out.
LUBRICATION MAINTENANCE
Performing regular scheduled maintenance
ensures reliable operation and optimum service
life of the various chassis components. Completed
maintenance brings peace of mind knowing
the various components have received proper
service. Failure to follow maintenance guidelines,
or perform scheduled maintenance, results in
inefcient operation, premature component wear
or component failure resulting in breakdown.
Maintenance schedules are usually performed
at certain mile or time intervals. When
performing high level procedures, lower level
service should also be performed.
NOTE:
Maintenance schedules are based on
normal operating conditions and use.
Operating under unusual or adverse
condition shortens service intervals.
NOTE:
Engine and transmission service intervals
are listed in their respective manuals.
Proper Lubricant Waste Disposal:
When performing service maintenance on
the engine, transmission or rear axle, waste
uids and lters should be properly disposed of
or recycled. Package used oils, antifreeze and
other uids in sealed containers. In many cases
used oil is accepted free of charge at county
disposal sites. Waste uids are toxic to pets and
other animals. Waste uids should not be left in
open containers. The sweet odor of antifreeze is
attractive to pets, but highly toxic.
CAUTION:
Properly dispose of used antifreeze and
waste oil. Animals like the sweet odor
of antifreeze and may ingest it if left in
open containers. Wipe up any fluid spills.
Pets may lie in puddles of fluid, many of
which are irritants and can cause severe
chemical burns if not properly washed.
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