Cold-Weather Starting
See the engine manufacturer’s operation manual for
starting aids that are approved for specific engines.
Starting After Extended Shutdown
Before engine start-up, complete the engine pretrip
and post-trip inspections and maintenance proce-
dures in
Chapter 19 and Chapter 20.
NOTICE
Failure to eliminate water-diluted lubricating oil
may lead to serious engine damage at startup.
An engine in storage for an extended period of time
(over winter, for example) may accumulate water in
the oil pan through normal condensation of moisture
on the interanal surfaces of the engine. Oil diluted by
water cannot provide adequate bearing protection at
start-up. For this reason, change the engine oil and
filters after extended storage.
Engine Operation
Safety and Environmental
Considerations
WARNING
Do not operate the engine in an area where flam-
mable vapors such as gasoline or diesel fumes
are present. Shut off the engine when in an area
where flammable liquids or gases are being
handled. Failure to observe these precautions
could result in serious injury or death.
All Freightliner diesel engines comply with the re-
quirements of the Federal (U.S.) Clean Air Act. Once
an engine is placed in service, the responsibility for
meeting both state and local regulations is with the
owner/operator.
IMPORTANT: Depending upon local jurisdic-
tional emissions guidelines, vehicles that are
domiciled outside of the U.S. and Canada may
not have engines and/or emissions aftertreat-
ment systems that are compliant with EPA10 or
GHG14 regulations.
NOTICE
It is extremely important that the following guide-
lines be followed for engines that comply with
EPA10 or newer regulations, or damage may
occur to the aftertreatment device, and the war-
ranty may be compromised.
•
Use ultralow-sulfur diesel with 15 ppm sul-
fur content or less.
•
Do not use fuel blended with used engine
lube oil or kerosene.
•
Use only engine lube oil with a sulfated ash
level less than 1.0 wt%; currently referred
to as CJ-4 oil.
Adequate maintenance of the engine and the diesel-
particulate filter are the responsibility of the owner/
operator, and are essential to keep the emission lev-
els low. Good operating practices, regular
maintenance, and correct adjustments are factors
that will help to stay within the regulations.
The driver should be familiar with the vehicle warning
system in order to bring the vehicle to a safe stop if
the engine malfunctions. If the driver doesn’t under-
stand how the warning system works, an engine
shutdown could occur, causing a safety hazard. See
Chapter 10 for information.
Engine Break-In
Each engine must pass a full-load operating test on
a dynamometer before shipment, thereby eliminating
the need for a break-in. Before running the engine
for the first time, follow the instructions in the engine
manufacturer’s operation manual specific to your
engine.
Normal Operation
WARNING
Do not operate the engine in an area where flam-
mable vapors such as gasoline or diesel fumes
are present. Shut off the engine when in an area
where flammable liquids or gases are being
handled. Failure to observe these precautions
could result in serious injury or death.
All engines have an operating range specific to that
engine in which the engine performs most efficiently.
Engine Starting, Operation, and Shutdown
9.2
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