Holiday 2002 NEPTUNE, Owner'S Manual

Page: 313 / 344

Chassis Information
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2 0 0 2 N E P T U N E
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• The fluid level rises as the temperature increases. The fluid must
be hot to ensure an accurate check.
• Be sure the fluid has reached normal operating temperature (160º -
200º F/71º - 93º C). If a transmission temperature gauge is not
present, check the fluid level when the engine water temperature
gauge has stabilized and the transmission has been operated under
the load for at least one hour.
• Park the motorhome on a level surface and shift to N (Neutral). Apply
the parking brake and allow the engine to idle (500 to 800 RPM).
• After wiping the dipstick clean, check the fluid level. Safe operating
level is anywhere within the HOT RUN band on the dipstick.
• The width of the HOT RUN band is approximately one quart of
fluid at normal temperature range.
• If the level is not within this band, add or drain the fluid as
necessary to put the level within the HOT RUN band.
• Be sure that the fluid level checks are consistent. Check the level
more than once. If the readings are not consistent check to be sure
that the transmission breather is clean and not clogged. If the readings are
still not consistent, contact the nearest Allison distributor or dealer.
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 or gasoline with diesel fuel.
This mixture can cause an explosion.
NOTE: Due to the precise tolerances of diesel injection sys-
tems, 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 covered under
warranty.
Transmission Fluid
Level - Hot Check
FUEL
REQUIRMENTS