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Navistar MaxxForce DT 9 User Manual

Navistar MaxxForce DT 9
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SECTION 5 MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)
FUEL FILTER (cont.)
CAUTION:
To prevent engine damage, tighten fuel cover on fuel
lter assembly.
18. Using a 23 mm wrench tighten fuel lter cover to 30 N·m (22
lbf·ft).
19. Depress clutch pedal if equipped.
20. Turn the ignition switch to ON for approximately 60 seconds,
allowing the fuel pump to prime the fuel system. See Priming
the Fuel System (page 48).
21. Wait for the WAIT TO START lamp to stop illuminating.
Do not crank engine until the lamp is off. When the WAIT
TO START lamp goes off, turn ignition switch to START. If
the vehicle has push button starting, press and hold starte r
button.
22. When the engine starts, release the ignition switch or starter
button. The ignition switch will return to ON and the engine
will continue to run. Check for leaks. Turn the ignition switch
to OFF.
FUEL STRAINER
Service Interval: 43,300 km (30,000 miles), 12 months, 1,100
hours or 1 5898 liters (4200 gallons ) o f fuel
NOTE: If fuel used has more than average impurities, shorter
service intervals may be required.
NOTE: The fuel strainer is located under the electric fuel pump.
The pump must be disconnected from the engine wiring harness
and removed from the fuel lter housing for the fuel strainer to
be cleaned or replaced. See following procedure.
WARNING: To prevent personal injury or death, do not
smoke and keep fuel away from ames and sparks.
Form No. 1172040R1
Printed in the United States of America Page 83

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Navistar MaxxForce DT 9 Specifications

General IconGeneral
BrandNavistar
ModelMaxxForce DT 9
CategoryEngine
LanguageEnglish

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