Section 5 - Maintenance Schedule And Service Procedures; Maintenance Schedule - Navistar MaxxForce DT 9 Operation And Maintenance Manual

SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
NOTE: No maintenance is required on the Doser Injector, it is
not a serviceable component. Failed parts should be replaced,
not serviced. The Doser is warranted under base mechanical
and or emission warranty.

Maintenance Schedule

MaxxForce® DT, 9, and 10 Diesel Engines
Service operation interval - which ever comes first: kilometers/miles, months, years, hours, or liters/gallons of fuel
Service Interval
Before Engine Operation
Engine oil drain, engine oil filter and centrifuge
filter change intervals based on engine family
and fuel consumption. See Engine Oil and Filter
(page 69) .
Service Operation
See service procedures in this section for more information.
Check engine oil level.
Check coolant level.
1
Drain water separator.
Inspect Charge Air Cooler (CAC).
Check for external leaks.
Check air restriction indicator.
Change engine oil and filter
Change centrifuge filter. See
Centrifuge Filter (page 73)
Form No. 1172040R1
Printed in the United States of America
Page 59