if oil pressure does not build within
approximately ten seconds. Check to determine
the cause of the problem. Operating the engine
with no oil pressure will damage the engine.
6.
It is not necessary to idle the engine before
engaging or starting the operation, but load
should be applied gradually during the warm-up
period until the oil temperature reaches 140°F
(60°C).
7.
Apply load gradually during the warm-up period.
NOTICE
If the oil pressure gauge indicates no oil
pressure, shut down the engine within
approximately ten seconds to avoid engine
damage.
8.
Check the oil pressure gauge for any drop in
lubricating oil pressure or mechanical malfunction
in the lubricating oil system. Minimum oil
pressure at idle is 7 psi (50 kPa).
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
inspections in Chapter 22.
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 internal 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
flammable 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 in Freightliner vehicles comply with the
requirements 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
jurisdictional emissions guidelines, vehicles that
are domiciled outside of the U.S. and Canada
may not have engines and/or emissions
aftertreatment systems that are compliant with
EPA10 or GHG21 regulations.
NOTICE
It is extremely important that the following
guidelines be followed for engines that comply
with EPA07 or newer regulations, or damage may
occur to the aftertreatment device, and the
warranty may be compromised.
•
Use ultralow-sulfur diesel with 15 ppm
sulfur 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%; API CJ-4, CK-4, and
FA-4 oils meet this requirement.
A Top Tier
™
compliant fuel is recommended. Look for
the symbol that denotes a Top Tier compliant fuel;
see
Fig. 9.3.
Engine Starting, Operation, and Shutdown
9.2
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