TM-9-2815-225-34-P

ENGINE, DIESEL: 6 CYLINDER IN-LINE TURBOCHARGED, CUMMINS MODEL NTC-400

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2005

TM-9-2815-225-34-P - Page 297 of 736

TM 9-2815-225-34&P

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FUEL INJECTOR (Contd)

Figure 1. Fuel Injector Disassembly.

CLEANING AND INSPECTION (Contd)

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Inspect plunger (1) for scuffing or scoring.

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Inspect injector cup (11) for enlarged or distorted spray holes.

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Apply prussian blue to plunger (1) and install in cup (11) and rotate 90° to check plunger seat

pattern. If less than 40% of seat area is covered, replace cup (11).

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