Perform the following procedures for removal and installation of the fuel heat exchanger.
Remove the fuel heat exchanger as follows:
To avoid injury from fire, keep all potential ignition sources away from diesel fuel, including open flames, sparks, and electrical resistance heating elements. Do not smoke when refueling.
To avoid injury from the sudden release of a high-pressure hose connection, wear a face shield or goggles.
1. DDEC-ECU Control Unit
5. Seal Ring
2. Fuel Feed Line
6. Fuel Heat Exchanger Mounting Bolt
3. Banjo (Hollow-core) Bolt
7. Fuel Heat Exchanger Inlet
4. Banjo Fitting
8. Fuel Heat Exchanger
Fuel Heat Exchanger
Note: Catch any fuel in a clean container.
Note: Do not disassemble the fuel heat exchanger. It cannot be serviced.
Install the fuel heat exchanger as follows: