PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R10/06) Y53-6007 – 121 –
NOTES:
• Where questions or discrepancies develop
between these recommendations and compo
-
nent supplier recommendations, consult the
supplier for specific recommendations.
• Maintenance requirements of specific voca-
tional configurations will dictate whether the
intervals used are determined based on mile
-
age, time in service, hours operating, etc.
• These maintenance practices and intervals are
intended as additional requirements and are
not to replace, in whole or in part, the pretrip
inspection requirements of the Commercial
Driver’s License (CDL) as established in the
Federal Commercial Motor Vehicle Safety Act
of 1986.
If you operate your vehicle off-highway or in very heavy-
duty applications such as mining, logging, or earth mov
-
ing, you will need to perform maintenance checks and ser-
vices more frequently. The charts on the following pages
show the maintenance intervals for recommended main
-
tenance practices.
NOTES:
• Engine lubricating oil change intervals aren’t
listed here. Refer to your engine’s operating
manual for recommendations. For specific
information on maintenance procedures, con
-
sult your vehicle maintenance manual.
• The initial fill of drive axle lubricant must be
changed before the end of the first scheduled
maintenance interval. Refer to the information
on
page 148 before you put a new vehicle into
service.
• The initial fill of lubricant in manual transmis-
sions must be changed before the end of the
first maintenance interval. See
page 144 for
specific information.
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