PREVOST H3-41 Maintenance Manual page 90

SECTION 03 : FUEL SYSTEM
C
LEAN BOTH SIDES OF THE FLANGE
FIGURE 29
 Look for traces of dirt and particles on the
outer surface of the old filter, indicating
possible leakage. If so, the leakage cause
should be investigated and solved.
Unbox the new filter, inspect the inner sealing

surface for potential non-conformities; Do not
wipe the surface as it is factory sprayed with a
dry lubricant for an easier mounting.
Insert new filter by gently pushing it inside the filter
housing.
CAUTION
Avoid pushing it by its center; use both hands
and push on its outer rim until it is well seated.
(It should be exceeding the housing by around
2-1/2 inches as shown)
20
PA1621 Maintenance Manual All Series | Revised May 2018
FIGURE 30
 Replace the filter cover and tighten the 4
plastic bolts using recommended torque
settings (as displayed on filter cover).
TORQUE: 10-15 lb-ft (14-20 Nm)
FIGURE 31
WARNING: The cover is not supposed to apply
pressure on the filter. If so, the filter needs to be
pushed further in the housing.
 Reset the restriction gage by pushing on the
right-hand side button.