Primary Fuel Filter Replacement - PREVOST H3-41 Maintenance Manual

MAINTENANCE
The primary and secondary (aka pre-filter and
main filter) fuel filters are of a spin-on type and
must be replaced at the intervals specified by
the Lubrication And Servicing Schedule in
Section 24: LUBRICATION & SERVICING.
The primary fuel filter should be drained
periodically or when the telltale light on the
dashboard illuminates if equipped with this
system. To drain water, loosen the drain valve
below the separator. Place an appropriate
container under the filter. Close the drain valve
when finished.
FIGURE 4: FUEL FILTERS WITH VOLVO D13 ENGINE
2.2.1

Primary Fuel Filter Replacement

1. Stop engine, close the fuel supply line shut-
off valve.
2. Place an appropriate container under the
fuel filter housing, then drain the water from
the water separation bowl.
3. Disconnect the water
separator indicator
electrical connector.
4. Unscrew and remove
5. Unscrew and remove
6. Remove and discard
7. Check
8. Apply clean engine oil to the water
9. Install the new filter to the bowl. Tighten the
PA1621 Maintenance Manual All Series | Section Revised September 2017
SECTION 03 : FUEL SYSTEM
the primary fuel filter
assembly from the
fuel filter housing.
Drain filter.
the water separation
bowl from the filter
cartridge.
the old gasket from
the water separation
bowl. Clean the bowl
thoroughly and then
blow dry with filtered
compressed air.
that the
drainage hole in the
water separator bowl
is not blocked.
separation bowl new gasket. Do not install
pre-GHG17 fuel filters
engines.
filter by hand. Do not overtighten.
on GHG17
5