D379, D398, D399 INDUSTRIAL & MARINE ENGINES Caterpillar

start by:

a) remove expansion tank (Marine engines only)

b) remove fuel priming pump

1. Remove fuel from the filter housing.

2. Disconnect fuel line (2) for the pressure gauge.

3. Disconnect inlet line (1) for the injection pump housing.

4. Disconnect fuel line (3) for the transfer pump.

5. Remove the four bolts (4) that hold the housing on the oil filter housing.

6. Remove the fuel filter housing.

Install Fuel Filter Housing

1. Put the fuel filter housing in position on the engine. Install the bolts that hold housing to oil filter housing.

2. Connect the fuel line for the transfer pump.

3. Connect inlet line for the injection pump housing.

4. Connect fuel line for the pressure gauge.

end by:

a) install fuel priming pump

b) install expansion tank (Marine engines only)