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Maintenance—Every 1000 Hours
KR46761,00013D8 -19-13OCT16-1/1
Replace Primary Fuel Filter and Water
Separator
1. Ensure key switch is in the OFF position.
2. Open right rear service door to access primary fuel
lter and water separator (1).
3. Thoroughly clean exterior of primary fuel lter and
water separator and surrounding area.
4. Disconnect the water-in-fuel (WIF) sensor wiring (3).
5. Open drain valve (2) to extract water from fuel system.
Drain uid until water and sediment are removed.
Collect waste in a container and dispose of waste
properly. Close drain valve.
NOTE: Additional fuel will remain in the primary
fuel lter housing.
6. Rotate primary fuel lter and water separator
counterclockwise and remove from mounting base.
Remove water separator bowl from primary fuel lter.
Dispose of used fuel lter properly.
7. Clean lter mounting base.
8. Clean and dry water separator bowl. Replace if
necessary.
9. Install water separator bowl to new primary fuel lter.
IMPORTANT: DO NOT prell fuel lters. Debris
in unltered fuel will damage fuel system
components.
Only lubricate lter seal with diesel fuel
before installing.
10. Install primary fuel lter and water separator onto
mounting base. Rotate lter housing clockwise by
TX1226143 —UN—13OCT16
Primary Fuel Filter and Water Separator
1— Primary Fuel Filter and
Water Separator
2— Drain Valve
3— Water-in-Fuel (WIF) Sensor
Wiring
hand. Tighten 1/2—3/4 turn after seal contacts
mounting base.
11. Connect WIF sensor wiring.
12. Prime fuel system and bleed air. See Bleed Fuel
System. (Section 4-1.)
13. Close service door.
3-10-6
112321
PN=245
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