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

  TM-9-2815-225-34-P - Page 150 of 736

TM 9-2815-225-34&P
0011 00
0011 00-4
CYLINDER HEAD AND CYLINDER HEAD COMPONENTS REMOVAL (Contd)
ROCKER ARM HOUSING
1.
Scribe a locating mark (6) on rocker arm housing (1) and cylinder head (11) before removal.
2.
Loosen six adjusting nuts (5) and screws (4) by turning counter-clockwise to until tension is
relieved.
3.
Remove six rocker arm housing studs (3) and washer bearings (2) securing rocker arm housing (1)
to cylinder head (11). Discard washer bearings (2).
4.
Remove rocker arm housing (1) and gasket (10) from cylinder head (11). Discard gasket (10).
NOTE
Mark each pushrod or place in a suitable rack in the order they
are removed to ensure proper installation.
5.
Remove two intake pushrods (7), injector pushrods (8), and exhaust pushrods (9) from cylinder
head (11).
6.
Repeat steps 1 through 5 to remove remaining two rocker arm housings (1).
7.
For rocker arm housing and shaft repair, refer to WP 0020 00.
FUEL INJECTOR
NOTE
Fuel injectors on Big Cam III engines maybe retained with a
clamp instead of a retaining plate. Removal procedures are the
same for Big Cam I and Big Cam III engines.
1.
Remove two screws (12) and retaining plate (13) securing fuel injector (15) in cylinder head (11).
2.
Remove detent plunger (14) from fuel injector (15).
3.
Using fuel injector puller, remove fuel injector (15) from cylinder head (11).
NOTE
Ensure injectors, injector links, and plungers are not
intermixed. Keep all injector parts with individual injectors.
Place all injectors in a suitable rack in the order they were
removed to ensure proper installation.
4.
Wrap each fuel injector (15) in clean lint free cloth after removal to prevent dirt from entering fuel
injector (15) openings.
5.
Repeat steps 1 through 4 for remaining fuel injectors (15).
6.
For fuel injector (15) repair, refer to WP 0032 00.


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