TM 5-2410-240-23-1
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HIGH PRESSURE FUEL SYSTEM TEST CONTINUED
2. Disconnect fuel return line (Figure 6, Item 3) from fuel rail (Figure 6, Item 2) (WP 0061) and inspect relief valve
(Figure 6, Item 1) for Class III leakage. Fuel should not be present.
a. If Class III fuel leak is identified from fuel rail return line (Figure 6, Item 3), replace fuel rail (Figure 6,
Item 2) (WP 0061).
b. If little or no fuel identified, install fuel return line (Figure 6, Item 3) on fuel rail (Figure 6, Item 2) (WP 0061).
Test fuel injectors for leaking, perform High Leak-Off of Fuel Injector test in this work package.
Figure 6. Fuel Return Line.
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END OF TASK