• 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 (500-800 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 1 quart of fluid at
normal temperature range.
• If the level is not within this band, add or drain the fluid as necessary to
bring 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.
The diesel fuel tank is made of 160 thousands aluminum. The capacity of
the tank is 200 gallons. The engine pickup tube is cut at a 45 degree angle to
allow good flow to the engine.
NOTE: If the coach has been stored for any length of time you should
check the vent for blockage. It is not uncommon for insects to plug the
vent tube. If the tank appears to be pressurized the vent tube may be
blocked. To inspect the vent tube check on the roadside of the fuel tank,
near the bottom.
Routine Maintenance Recommendations:
1.
Change the fuel filter at every oil change interval.
2.
Change the fuel-water separator filter every 12-18 months or every
25,000 miles.
Chassis Information
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S I G N A T U R E
1 0 • 2 9 7
FUEL TANK
Hot Check
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