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 387 of 736

TM 9-2815-225-34&P

0043 00

0043 00-3

CYLINDER HEAD AND CYLINDER HEAD COMPONENTS INSTALLATION (Contd)

FUEL INJECTOR

CAUTION

If injector assembly fails to seat completely, remove and check

for a twisted or damaged O-ring. Failure to comply may result

in damage to equipment.

NOTE

Inspect fuel cooling sleeve in cylinder head prior to installing

injector. Remove any dirt with a lint-free cloth.

The following procedure covers installation of one injector

assembly. Installation of remaining five injectors are similar.

Ensure injectors are installed in same location as noted during

removal.

1.

Apply OE/HDO 10 lubricating oil to three new O-rings (12) and fuel injector (13).

2.

Using injector puller, install fuel injector (13) in cylinder head (5).

3.

Install retaining plate (11) on fuel injector (13) with two screws (9). Do not tighten screws.

4.

Install detent plunger (10) on fuel injector (13).

NOTE

Check for free movement of detent plunger after tightening

screws. If detent plunger does not move freely, loosen two

screws and retighten. Detent plunger must move freely.

5.

Tighten screws (9) in steps of 5 lb-ft (7 N

•

m) until a final torque of 12 lb-ft (16 N

•

m) is obtained.

Figure 2. Fuel Injector Installation.

10

11

9

13

5

12