CYLINDER HEAD (IN-VEHICLE) MAINTENANCE (Contd)
Tag all pushrods for installation. Each cylinder has a pushrod for
exhaust, air intake, and fuel injection. Failure to replace pushrods
properly may result in damage to equipment.
Rocker arms could disassemble during removal. Handle with care.
There is one rocker arm group for each piston. Perform steps 70
through 73 for one rocker arm group.
Anchor is found on No. 1 cylinder rocker arm assembly only.
Loosen three jamnuts (7) and setscrews (3) on rocker arm assembly (6).
Remove four screws (5) and anchor (4) from rocker arm assembly (6) and cylinder head (8).
Remove rocker arm assembly (6) from cylinder head (8).
Remove two pushrods (1) and fuel injector pushrod (2) from cylinder head (8).
Repeat steps 70 through 73 to remove other five rocker arm assemblies (6).
Remove four screws (15) and fuel injection control linkage (13) from cylinder head (8) and remove
fuel injector control arms (14) from fuel injector links (17).
All fuel injectors are removed the same. Perform steps 76 through
78 for one fuel injector.
Remove injector holddown screw (9) from cylinder head (8) and fuel injector holddown bracket (16).
Do not pry on injector holddown bracket. Use notch on opposite
side of rack for prying the injector loose. Failure to do so may
result in damage to equipment.
Tag all fuel injectors for installation. Failure to do so may result in
damage to equipment.
Remove fuel injector (10) from cylinder head (8).
Remove O-rings (11) and (12) from fuel injector (10). Discard O-rings (11) and (12).
Repeat steps 76 through 78 to remove other five fuel injectors.