Replacing the Fuel Filter Element, John Deere POWERTECH® 12.5 L Engine
1.
Stop engine.
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POWERTECH is a trademark of Deere & Company.
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OUZXMAY,0000320 -19-06OCT00-1/9
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 CAUTION:
Engine and fuel filter housing may be hot.
2.
Close the fuel supply shut-off valve.
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OUZXMAY,0000320 -19-06OCT00-2/9
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3.
Remove cap from fuel filter housing. If the cap is too tight to remove by hand, then a wrench or pliers may be used to loosen the cap.
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OUZXMAY,0000320 -19-06OCT00-3/9
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4.
Relieve vacuum in the filter housing by operating hand primer until fuel filter "pops-up". If filter does not "pop-up" after 30 hand primer strokes, carefully pry under the filter seal flange and lift to relieve vacuum in the housing as shown.
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5.
Lift the filter out of the housing until the center seal clears housing center tube and hold.
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6.
Allow fuel to completely drain from the filter and into the filter housing.
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OUZXMAY,0000320 -19-06OCT00-6/9
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7.
Carefully rotate the fuel filter upside down and remove from the filter housing as shown. This will ensure minimal to no fuel leakage from the wet fuel filter.
8.
Place the used filter in a container suitable for diesel fuel.
IMPORTANT:
Re-using fuel filter once removed from housing may result in trapped air in the filter causing fuel to overflow from the filter housing during insertion and/or causing the engine to stall and not re-start without additional system purging.
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OUZXMAY,0000320 -19-06OCT00-7/9
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9.
Check to ensure that the fuel level in the filter housing is between the MIN and MAX fuel levels indicated on the outside of the housing and on the corresponding marks on the center tube. If the fuel is below the MIN level, then carefully open the fuel supply shut-off valve a small amount to add fuel. Operate the hand primer to add more fuel if required or if the unit is not equipped with a fuel supply shut-off valve.
IMPORTANT:
Fuel level below the MIN indication may result in trapped air in the filter causing the engine to stall and not re-start without additional system purging. Fuel level above the MAX indication may cause fuel to overflow from the filter housing during insertion.
10.
Insert new (dry) fuel filter into filter housing.
11.
Re-install fuel filter cap and tighten by hand.
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OUZXMAY,0000320 -19-06OCT00-8/9
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12.
Open the fuel supply shut-off valve.
13.
Re-start engine and allow to run 5 minutes minimum.
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OUZXMAY,0000320 -19-06OCT00-9/9
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