Removing and Installing Fuel Filters

CAUTION:

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High Pressure Fluids

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Primary and Secondary Fuel Filters

A - Secondary Fuel Filter

B - Primary Fuel Filter

If any fluid is injected into the skin, it must be surgically removed within a few hours by a doctor familiar with this type injury or gangrene may result. Doctors unfamiliar with this type of injury may call the Deere & Company Medical Department in Moline, Illinois, or other knowledgeable medical source.

IMPORTANT: Primary fuel filter (B) and secondary fuel filter (A) must both be replaced whenever audible alarm sounds and diagnostic trouble code indicates plugged filter. Replace both fuel filters at 12 month intervals (or every 500 hours) if no alarm/code indications occur.

Remove Fuel Filters

CAUTION: If engine has been running, engine and fuel filter housing may be hot.

1. Close fuel shutoff valve (if equipped).

2. Clean entire area surrounding fuel filter assembly to keep debris from entering fuel system.

3. Disconnect wiring connector from water-in-fuel sensor.

4. Drain fuel from separator bowl into suitable container.

5. Remove primary fuel filter by turning counterclockwise by hand or using suitable filter wrench.

6. Remove secondary fuel filter by turning counterclockwise by hand or using suitable filter wrench.

Remove And Clean Water Separator Bowl

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Water Separator Bowl and Water-In-Fuel Sensor

A - Water Separator Bowl

B - Water-In-Fuel Sensor

1. Remove water separator bowl from primary fuel filter by turning counterclockwise by hand or using a suitable strap wrench.

2. Clean separator bowl and dry it.

3. Lubricate new water separator bowl seal with thin film of oil or fuel, and hand tighten to primary fuel filter.

   Item	Measurement	Specification
   Water Separator Bowl-To-Primary Fuel Filter	Torque	Hand Tighten Primary Fuel Filter

Install New Primary Fuel Filter

1. Lubricate new primary fuel filter seal with thin film of fuel.

2. Screw filter into header by turning clockwise until the seal contacts the header.

3. When seal contacts the header, tighten clockwise to the following specification:

   Item	Measurement	Specification
   Primary Fuel Filter	Torque	Seal Contact + 1 Turn

4. Connect water-in-fuel sensor connector.

Install New Secondary Fuel Filter

1. Lubricate new secondary fuel filter seal with thin film of fuel, and screw filter into header by turning clockwise until the seal contacts the header.

2. When seal contacts the header, tighten clockwise to the following specification:

   Item	Measurement	Specification
   Secondary Fuel Filter	Torque	Seal Contact + 1/2 Turn

3. Open fuel supply shutoff valve (if equipped).

4. Turn ignition key to the ON position for 120 seconds to allow the system to prime itself.

5. Restart engine and allow to run for a minimum of five minutes.