Preventative Maintenance
Schedule
List of recommended maintenance tasks
and intervals that should be performed for
PACCAR PX series engines.
Perform maintenance at whichever interval
occurs first. At Maintenance Schedule
Intervals, perform all previous maintenance
checks that are due for scheduled
maintenance.
NOTE
This maintenance schedule is for a
normal duty cycle engine operation.
Severe duty/vocational applications
will need to adjust mileage, kilometer,
hour, or time interval based on the En-
gine Lubrication and Filter Intervals.
NOTE
Due to the design of the crankcase
ventilation module, routine service of
this component is not required.
PX-7 Preventative Maintenance Schedule
Component
1
Maintenance Task Recommended Preventative
Maintenance Interval
A B C D E F G H J
Emissions Components Diesel Particulate Filter (DPF) - Clean •
Diesel Exhaust Fluid (DEF) Filter on page
66 - Replace
•
Crankcase Breather Element - Replace •
Exhaust System - Check for Leaks •
Exhaust System - Replace Flex Pipe(s) •
ENGINE MAINTENANCE - Preventative Maintenance Schedule
36 Y53-1183-1G1 (05/19)
2
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