Holiday imperial 2001, Owner'S Manual, Page: 271 / 301

Chassis Information
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I M P E R I A L
1 0 • 2 7 1
Use the correct Fleetguard coolant filter to maintain the rec-
ommended SCA concentration in the system. Maintain the cor-
rect concentration by changing the service coolant filter at each
oil drain interval. The oil pressure gauge, temperature gauge,
warning lamps and other safety lamps should be checked daily
to ensure proper operations.
NOTE: The correct filter is determined by the total
cooling system capacity. If you have any questions
refer to the Cummins manual.
NOTE: The engine does not require a “break-in”
procedure.
Low sulphur #2 diesel fuel or #1 and #2 commercial winter blend diesel
fuels are the most common commercially available and recommended for
use. The Cummins Engine Company Inc. recommends the use ASTM #2D
fuel. The use of #2 diesel fuel will result in optimum engine performance.
WARNING: Do not mix gasohol with diesel fuel. This mixture
can cause an explosion.
NOTE: Due to the precise tolerances of diesel injection systems, it
is extremely important that fuel be kept clean and free of dirt or
water. Dirt or water in the system can cause severe damage to
both the fuel pump and the fuel injector. Fuel additives for
lubricity are not recommended. There are numerous diesel fuel
additives to help remove moisture from fuel, prevent microbe
growth and to prevent freeze-up during cold weather. Any fuel
additives product should show supporting data for performance
and benefits. Engine failures caused by incorrect fuel are not cov-
ered under warranty.
Auxiliary braking devices are devices designed to supplement your stan-
dard wheel braking system. The devices are not designed to stop the
motorhome completely. The proper use of an auxiliary braking device can
save in costly service brake repairs. The braking devices will assist in con-
trolling the motorhome speed.
The Exhaust Brake system, used routinely at normal exhaust operating
temperatures, is virtually maintenance free. Some contributing causes which
can result in failures with the exhaust brake include moisture, dirt, carbon
and improper usage.
Starting the engine and idling for short periods of time is not recommend-
ed. Moisture is created within the engine and the exhaust system during cold
FUEL
REQUIREMENTS
BRAKE - ENGINE