Operating Instructions
Cold Weather
Starting
General Information
Follow the
“Normal Starting Procedure”
on page
4-4.
Refer to
the vehicle operator's manual
instructions for any additional cold
weather starting procedures.
If starting
a cold engine, slowly
increase the engine speed. This
provides adequate lubrication to the
bearings and gives ample time to allow
the oil pressure to stabilize.
The use
of cold starting aids are
not recommended for ambient
temperatures above 0° F (-18° C).
If an
engine must idle for an extended
period of time, it should be done at
a fast idle (1000 rpm maximum) at
coolant temperatures below 150° F
(70° C).
For coolant
temperatures below 150°
F (70° C), use a low gear and drive
at moderate engine speed until the
engine coolant has reached operating
temperature. Do not let the engine idle
longer than necessary.
CAUTION
Do not operate the engine at low
idle for long periods of time when
the coolant temperature is below the
normal operating range. This could
result in the following:
• Fuel dilution
of the lubricating oil
• Carbon buildup
in the cylinder
• Sticking of
the valves in the
cylinder head
• Reduced performance
• Damage to
aftertreatment
components
Starting Procedure After
Extended Shutdown or Oil
Change
General Information
Follow the
“Normal Starting Procedure”
on page
4-4.
4
4-5
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