Engine Oil And Filter - Navistar MaxxForce 7 Operation And Maintenance Manual

SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)
FUEL WATER SEPARATOR (cont.)
NOTE: Drain until no water or other contaminates are observed
exiting from the drain valve. Upon opening the drain valve, a
hissing sound will be heard as air fills the fuel line between the
engine and the fuel tank. After the sound stops, liquid will exit
the drain valve.
3. Turn the water drain valve to open and allow the water / fuel
mixture to drain out.
4. Close water drain valve and remove drain hose.
5. Recycle or dispose of fuel according to applicable
regulations.
6. Prime the engine. For further information see Priming the
Engine (page 50).
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ENGINE OIL AND FILTER

Figure 30 Figure 30 Oil Change Interval Graph