Additions, Revisions, or Updates

Transcription

1 SUBJECT DATE Potential Fuel Leak Points - Two-Filter Fuel System DD Platform March 2013 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change Potential Fuel Leak DDC-SVC-MAN-0084 DD Platform Points - Two-Filter Fuel System Note added on alternative method for determine fuel leak. All information subject to change without notice. 3

2 2 Potential Fuel Leak Points - Two-Filter Fuel System 2 Potential Fuel Leak Points - Two-Filter Fuel System NOTE: Alternative Contrast Spray Method for Determining a Leak Path- Two- Filter Fuel System and Alternative Fuel Dye Method for Determining a Leak Path-Two-Filter Fuel System can be used to aid in finding fuel leaks. Torque all fuel system fittings; Refer to section "Fuel System Torque Specifications Two Filter System". 1. Pressure Limiting Valve (PLV) Return Line Sealing Washers 2. Cylinder Head Fittings Sealing Washers Figure 1. Return Lines 3. Return Line Nuts 4 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION

3 1. Water Drain Bowl O-ring 2. Fuel Feed Line Fitting O-ring 3. Priming Port Fitting O-ring 4. Low Pressure Fuel Sensor O-ring 5. Coalescer/Final Filter Cap O-ring 6. Hand Primer O-rings 7. Pre-Filter Cap O-ring Figure 2. KM59 GEN1 Fuel Filter Module 8. Return Lines Sealing Washers 9. Needle Return Pressure Control Valve O-rings 10. Water-In-Fuel (WIF) O-ring 11. Low Pressure Fuel Lines O-rings 12. Fuel Return Line Fitting O-ring 13. Water Drain Valve O-rings All information subject to change without notice. 5

4 2 Potential Fuel Leak Points - Two-Filter Fuel System 1. Water Drain Bowl O-ring 2. Fuel Feed Line Fitting O-ring 3. Priming Port Fitting O-ring 4. Low Pressure Fuel Sensor O-ring 5. Coalescer/Final Filter Cap O-ring 6. Hand Primer O-rings 7. Pre-Filter Cap O-ring Figure 3. KM63 GEN2 Fuel Filter Module 8. Return Lines O-rings 9. Needle Return Pressure Control Valve O-rings 10. Water-In-Fuel (WIF) O-ring 11. Low Pressure Fuel Lines O-rings 12. Fuel Return Line Fitting O-ring 13. Water Drain Valve O-rings 14. Pressure Relief Valve O-rings 1. Fuel Temperature Sensor O-ring 3. Low Pressure Fuel Lines O-rings 2. Doser Fuel Line Sealing Washers 4. HC Doser Fuel Supply Pressure Control Valve O-rings Figure 4. KM59 GEN1 High Pressure Flange (Front Side) 6 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION

5 1. Fuel Temperature Sensor O-ring 3. Low Pressure Fuel Lines O-rings 2. Doser Fuel Line Sealing Washers Figure 5. KM63 GEN2 High Pressure Flange (Front Side) 1. High Pressure Flange Gaskets 2. High Pressure Flange Sealing Plate Figure 6. KM59 GEN1 High Pressure Flange (Back Side) All information subject to change without notice. 7

6 2 Potential Fuel Leak Points - Two-Filter Fuel System 1. High Pressure Flange Gaskets 2. High Pressure Flange Plug Figure 7. KM63 GEN2 High Pressure Flange (Back Side) NOTE: Do not remove the fuel filter module from the engine to check for leaks on the engine side of the fuel filter module. The use of a mirror can be helpful in locating leaks. 1. Fuel Cooler Gasket Fuel In 2. Fuel Cooler Gasket Fuel Out 8 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION

7 Figure 8. Fuel Filter Module; Fuel Cooler Gaskets 1. Fuel line fitting leak points 2. MCM Cooler Sealing washer Figure 9. MCM Cooler (if equipped) 1. Two-Stage Valve and Low Pressure Relief Valve O-rings 2. Low Pressure Pump O-ring 3. Quantity Control Valve O-ring Figure 10. KM59 GEN1 High Pressure Fuel Pump 4. Pumping Element O-rings 5. Pumping Element fitting All information subject to change without notice. 9

8 2 Potential Fuel Leak Points - Two-Filter Fuel System 1. Two-Stage Valve O-rings 2. Low Pressure Pump O-ring Figure 11. KM63 GEN2 High Pressure Fuel Pump 3. Quantity Control Valve O-rings 4. Pumping Element Fittings 1. High pressure fuel pump weep hole Figure 12. High Pressure Fuel Pump (bottom view) 10 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION

9 1. Fuel Rail Pressure Sensor 2. Fuel Rail 3. Fuel Injector Figure 13. Fuel Rail 4. Pressure Limiting Valve (PLV) 5. High Pressure Fuel Injector Line Rail Fitting Nuts 1. Fuel Injector O-rings Location 2. High Pressure Fuel Injector Line O-ring Location Figure 14. Fuel Injector and Fuel Line O-ring Locations All information subject to change without notice. 11