Alliance/Racor
- Park the vehicle on a level surface, shut down the engine, and set the parking brake. Chock the tires.
- Open the hood.
- Empty the filter into a suitable container, and close the drain plug.
- If equipped, remove the wiring harness connectors from
the water sensor probe and the heater. See Fig..
-
Priming Pump
-
Mounting Head
-
Gasket
-
Filter Element
-
O-Ring
-
Sight Bowl
-
Water Sensor Probe
-
Water Sensor Probe Wiring Harness
-
Heater Wiring Harness
-
Drain Plug
Fig. 1, Fuel/Water Separator Assembly
-
- Spin off the sight bowl and the filter element as a unit. Remove the gasket from the top of the filter element.
- Remove the sight bowl from the filter element. Clean the O-ring seating surface.
- Apply a thin coating of clean diesel fuel or engine oil to the O-ring and the new gasket, and assemble filter and bowl.
- If the filter head is not equipped with a priming pump, fill the filter element and sight bowl assembly with clean diesel fuel.
- Spin the entire assembly onto the mounting head and tighten by hand until snug.
- Connect the heater and water sensor wiring harnesses, if equipped.
- If equipped with a priming pump, use it to fill the filter/bowl assembly. Prime the fuel/water separator.
- Start the engine and check for leaks.
- Shut down the engine and repair any leaks.
Warning: Fluid circulated through the fuel/water separator may be diesel fuel returned from the engine, or engine coolant. Drain the fuel/water separator only when the engine and fluids have cooled. Draining it when the engine is hot could cause severe personal injury due to scalding.
If returning fuel is released into the atmosphere, the vapors can ignite in the presence of any ignition source. Do not expose the fuel to, or work with the fuel system near open flame or intense heat. To do so could cause fire, possibly resulting in serious personal injury or property damage.