TM10-3930-660-34 4-3.  FUEL INJECTOR - TEST/REPLACE This task covers: a.  Removal b.  Cleaning and Inspection c.  Testing d.  Installation Initial Setup Materials/Parts Tools Anti-Seize Compound  (App. B, Item 3) Tool Kit,  Automotive Mechanics Banjo Connector Seal  (10) Copper Injector Seals  (13) Shop Equipment,  Automotive Diesel Fuel Oil  (App. B, Item 17) Maintenance,  Common #2 Less Grommet Seal  (11) Power Rust Penetrating Solvent  (App. B, Item 51) Tool Kit,  Machinist: Post,  Camp and Station Test Set,  Diesel Injector Equipment Condition Engine shut off and cooled to near ambient temperature. Negative battery cable disconnected, TM10-3930-660-20. REMOVAL 1.  SHUT OFF ENGINE AND ALLOW ENGINE TO COOL TO NEAR AMBIENT TEMPERATURE. 2.  DISCONNECT FUEL SUPPLY TUBES (1-6) FROM INJECTORS.  POSITION LINES CLEAR OF INJECTORS WITHOUT PUTTING KINKS IN LINES. 3.  LOOSEN NUT (7) TO REMOVE FUEL MANIFOLD (8) FROM TEE FITTING. 4.  REMOVE SIX BANJO CONNECTOR SCREWS (9) AND FUEL MANIFOLD (8). 5.  REMOVE AND DISCARD SIX BANJO CONNECTOR SEALS (10) AND GROMMET SEAL (11). 6.  CLEAN AREA OF CYLINDER HEAD AROUND INJECTORS (12) WITH A SOFT BRUSH AND LOW PRESSURE COMPRESSED AIR. 4-5