ROCKER ARM ASSEMBLY AND PUSHROD MAINTENANCE (Contd)
There is one rocker arm assembly for each cylinder. All rocker arm
assemblies are removed the same. This procedure is for No. 1
cylinder rocker arm assembly.
Loosen three jamnuts (6) and back off setscrews (8).
Remove four screws (4) and anchor (3) from rocker arm assembly (5).
Rocker arm assembly could disassemble on removal. Handle with
Remove rocker arm assembly (5) from cylinder head (7).
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.
Remove fuel injector pushrod (1) and valve pushrods (2) from cylinder head (7).
Tag all rocker arms for installation. The alignment and sequence
of each rocker arm is important. Failure to replace rocker arms
correctly may result in damage to equipment.
Remove shaft support (9), rocker arms (10), (11), and (12) from shaft (13) on shaft support assembly (14).
Remove jamnut (6) and setscrew (8) from each rocker arm (10), (11), and (12).