MAC TOOLS MW250 Instrukcje Operacyjne Pobierz pdf (Strona 314)

100

101

TM 5-4310-452-14

5-19. FUEL INJECTOR MAINTENANCE (Con't).

a. REMOVAL

NOTE

Use this task to remove any 1 of 4 fuel injectors.

1. Remove fluid passage bolt (1) and 2 washers (2) from fuel injector (5).

NOTE

Perform step 2 for cylinders 1 and 4 only.

2. Remove fuel return line (17).

3. Disconnect fuel line (3) from fuel injector (4).

4. Remove nut (8) and yoke (7) from cylinder head (6).

5. Using injector puller, remove fuel injector (4) and joint washer (5) from cylinder head (6). Discard joint washer.

b. DISASSEMBLY

1. Remove nut (10) from fuel injector (4).

2. Unscrew fuel cooling sleeve (16) from fuel injector (4) and remove fuel injection nozzle (17).

3. Remove flatwasher (11), spring (12), plunger (13), and sleeve spacer (15) from fuel injector (4).

4. Inspect 2 straight pins (14) for cracks, bends, or damage. Replace if necessary.

TA505584

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