PREVOST X3-45 2016, Maintenance Manual

Page: 69 / 459

SECTION 04: EXHAUST AND AFTERTREATMENT SYSTEM
PA1593
11
MAINTENANCE
Drain and clean DEF tank and filler neck
insert filter with hot water every 175,000 miles
or once a year, whichever comes first.
5.3 PUMP ASSEMBLY FILTER ELEMENT
REPLACEMENT

Remove filter cover.
CAUTION
Contamination or damage of the sealing
surface on the housing is not acceptable.

Remove the equalizing element (a) and the
filter element (b).
CAUTION
Protect filter area in the housing from
contamination.

Replace the filter element (a) and the
equalizing element (b).
CAUTION
The sealing surfaces on the housing must be
clean. No contamination or particles
acceptable.

Install filter cover. Torque to 16.5 lbf-ft.