10 • 421
CHASSIS INFORMATION
DIPLOMAT 2004
The primary and secondary fuel filters have drains located at the
bottom of the filters. The primary filter has a clear fuel/water
separator bowl located at the bottom of the filter. Water (by weight) is
heavier than fuel and will collect in the separator bowl. Water can
accumulate in the fuel from condensation in the fuel tank or
contamination upon refueling.
The appearance of water in the fuel/separator bowl is easily
identified by the inability of water to mix with the fuel forming small
pools. The water should be drained at the first opportunity. If water
passes through the filters it can cause engine misfire and damage fuel
injectors.
NOTE: Replace both primary and secondary filters
every six months or 15,000 miles.
NOTE: Primary fuel filter is located in the roadside
vented compartment of the motorhome. Secondary fuel
filter is located on curbside of the engine.
To Drain the Filters:
• Shut off the engine.
• Drain the secondary filter first and then the
primary filter.
• Turn the valves counterclockwise approximately 1½ to 2
turns until draining occurs.
• Drain the filters of water and sediment until clear fuel is
visible.
• Turn the valve clockwise to close the drain valves.
• Depending on the amount of contamination it may be
necessary to replace the filters at the first opportunity.
In the event the engine runs out of fuel, the lift pump on the fuel pump
will run for approximately one minute with the ignition on. The ignition may
need to be turned on and off several times before attempting a start. If unable
to restart, contact the nearest
Cummins Center
or phone
1-800-343-7357
for
Cummins Customer Assistance Center.
Fuel Filters
040458c modified
Summary of Contents for DIPLOMAT 2004
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Page 88: ...DIPLOMAT 2004 2 88 DRIVING SAFETY Weight Label...
Page 92: ...DIPLOMAT 2004 2 92 DRIVING SAFETY...
Page 95: ...2 95 DRIVING SAFETY DIPLOMAT 2004 020254...
Page 97: ...2 97 DRIVING SAFETY DIPLOMAT 2004 020255b...
Page 98: ...DIPLOMAT 2004 2 98 DRIVING SAFETY...
Page 99: ...2 99 DRIVING SAFETY DIPLOMAT 2004 VIEWS Front Rear 010770 010771...
Page 100: ...DIPLOMAT 2004 2 100 DRIVING SAFETY Roadside Curbside 010769 010768...
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Page 325: ...8 325 ELECTRICAL SYSTEMS HOUSE DIPLOMAT 2004 060191B Electrical Layout...
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Page 432: ...DIPLOMAT 2004 10 432 CHASSIS INFORMATION...
Page 434: ...DIPLOMAT 2004 10 434 CHASSIS INFORMATION Lubrication Service Record...
Page 435: ...10 435 CHASSIS INFORMATION DIPLOMAT 2004 Battery and Tire Record...
Page 437: ...INDEX Diplomat...
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