2 0 0 8 K n I G h t
chassIs InformatIon — 10
211
CAUTION
Upon cranking an engine in cold
temperature, the starter may rapidly
engage and disengage. If this occurs
STOP attempting to crank the engine
to prevent starter damage. Pre-heat the
engine before making further attempts
to start.
Block Heat:
The block heater is rated
between 850 and 1500
watts, depending on engine
size. For efficiency, hook
to shore power or plug
the block heater cord to a
separate power cord rated
for 15 Amps and a GFCI
protected outlet rated at
20 Amps. The engine may
require several hours of pre-
heating before starting.
It is recommended to start preheating the
engine the night before departure.
To Use the Block Heater:
Hook to shore power and plug the
block heater cord into the block heater
receptacle (both are located in the
roadside rear compartment).
Tips:
1. When operating below 32º F, the
Aqua-Hot and/or block heater preheat
can enhance engine starting by easing
cranking and helping to prevent
engine misfire and white smoke during
starting.
2. Always follow the recommended oil,
fuel, and coolant specifications as
outlined in the OEM Engine Manual.
Proper oil viscosity and coolant
concentration eases engine starting and
helps to avoid engine damage.
3. Allow the engine to idle until it
sufficiently warms for operation.
Utilize the fast idle feature to quicken
the process. Wait to operate the
motorhome for at least three minutes or
until the coolant temperature begins to
rise.
4. Check the air inlet and filter daily, or
as necessary, when driving in snow
conditions.
5. The demand on batteries increase
during winter; check and service the
batteries frequently to help ensure
trouble-free starts.
6. Start out slowly with the motorhome
to allow the transmission and axle
lubricants time to circulate and warm
before putting them under full load.
WARNING
Use of ether starting fluids may cause an
explosion upon grid heater activation.
engIne oIl
Cummins Engine Requirements:
Maintenance guidelines and requirements
are located in the Cummins Operation &
Maintenance Manual. These recommendations
for the engine will extend engine life and
improve performance, resulting in cost efficient
operations. A good maintenance schedule begins
with a daily awareness of the engine and its
various systems.
A high grade 15W-40 multi-viscosity
heavy duty lubricating oil meeting American
Petroleum Institute (API) specification
CJ-4
is
recommended. A critical factor in maintaining
engine performance and durability is the use of
high grade, multigrade lubricating oil and strict
adherence to the maintenance service intervals.
A straight weight or monograde lubricating oil
is not recommended. Shortened drain intervals
may be required as determined by a close
monitoring of the lubricating oil condition by
means of an oil sampling program. The use
of oil analysis to extend drain interval is not
recommended. There are numerous variables
which is the basis of the recommendation.
Synthetic oils API category III specifications
are recommended for extreme cold temperatures
only. Low viscosity oils used for winter
operations will aid in starting. Synthetic oils,
or oil with adequate low temperature properties
used for Arctic operations where the engine
cannot be kept warm when shut down, will aid
in starting. The use of synthetic oils should not
be used to extend drain intervals. Extended oil
change intervals can decrease engine life and
possibly affect the engine warranty.
090397
Located roadside
rear compartment
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