During installation, the vent cap is 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. 2 or Fig. 4.
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. Simultane-
ously apply downward pressure to the top of the
clear cover until it is seated on the body of the
lower housing and hand tighten the collar until it
no longer spins freely. Using the collar wrench,
tighten the cover 18 lbf·ft (24 N·m). This is
equivalent to rotating the collar clockwise two or
three additional ribs, depending on the specific
filter model.
11. Prime the system.
11.1 Ensure that the drain valve is closed.
11.2 Fill the housing to the top of the filter ele-
ment with clean diesel 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,
12/13/2010
f470531a
3
4
5
6
7
8
9
10
11
13
14
1
2
12
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. Grommet
13. Inlet Port/Check Valve
14. Heat Exchanger
Fig. 2, DAVCO Fuel Pro 382
02/16/2009
f470277
VENT CAP
FOR REMOVAL OF TOP COLLAR ONLY
Fig. 3, DAVCO Collar Wrench
Fuel 47
108SD and 114SD Maintenance Manual, May 2018 47/3
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