to be
hand-tightened only
, not tightened with a
wrench. Use part number 482017 on Fuel Pro
482 units; part number 380134 on Fuel Pro 382
units.
6.
Remove the filter, cover O-ring, and vent cap
O-ring. Dispose of them in an environmentally
acceptable manner. See
Fig. 4
or
Fig. 5.
7.
Clean all threads and sealing surfaces very thor-
oughly. Even a small amount of dirt will prevent
the fuel/water separator from sealing, and an air
leak may result.
8.
On Fuel Pro 382 units, install the grommet on
the bottom of the new filter.
9.
Install the new filter and grommet assembly and
cover O-ring on the housing.
10. Install the clear cover and the collar. Hand-
tighten the collar.
11. Prime the system
11.1
Ensure that the drain valve is closed.
11.2
Fill the housing to the top with clean die-
sel fuel.
11.3
Install and hand-tighten the vent cap
O-ring and vent cap.
11.4
Start the engine. When the lubricating oil
reaches its normal operating pressure,
increase engine speed to high idle for
one to two minutes to purge air from the
system.
11.5
While the engine is running, and after the
air is purged from the system, loosen the
vent cap until the fuel level falls to just
above the collar, then hand-tighten the
vent cap.
11.6
Check for leaks and shut down the en-
gine.
Emergency Temporary Filter
Replacement, Fuel Pro 382
WARNING
Fluid circulated through the fuel/water separator
to heat the fuel may be diesel fuel returned from
the engine, or engine coolant. Drain the fuel/water
separator only when the engine and fluids have
05/05/2009
f470531
3
4
5
6
7
8
9
10
11
12
13
1
2
1.
Drain Valve
2.
Bottom Plate
Assembly
3.
Bottom Plate O-Ring
4.
Lower Housing
5.
Cover O-Ring
6.
Filter Element
7.
Spring
8.
Clear Cover
9.
Vent Cap O-Ring
10. Vent Cap
11. Collar
12. Inlet Port/Check Valve
13. Heat Exchanger
Fig. 4, DAVCO Fuel Pro 382
Fuel
47
Cascadia Maintenance Manual, August 2015
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