TM 9-2320-363-34-1
R O C K E R A R M A S S E M B L I E S R E P L A C E M E N T ( C O N T )
COMPONENT
CHECKING DIMENSIONS
SETTING DIMENSION
FUEL INJECTOR
77.95 - 78.45 mm (3.068 - 3.088)
78.2 mm (3.078) (DDEC II)
78.8 mm (3.102) (DDEC III)
INTAKE VALVE
0.152 - 0.254 mm (0.006 - 0.010)
0.203 mm (0.008)
EXHAUST VALVE
0.457 - 0.558 mm (0.018 - 0.022)
0.508 mm (0.020)
15.
16.
17.
BAR ENGINE OVER IN DIRECTION OF NORMAL ROTATION UNTIL INJECTOR FOLLOWER
OF NEXT CYLINDER IN ADJUSTMENT SEQUENCE BEGINS ITS DOWNWARD MOTION.
REPEAT VALVE ADJUSTMENT AND FUEL INJECTOR HEIGHT ADJUSTMENT PROCEDURES
UNTIL ALL VALVES AND FUEL INJECTORS HAVE BEEN ADJUSTED.
NOTE
Tune-up settings may vary even when using correct setting procedures.
CHART INDICATES ACCEPTABLE CHECKING TOLERANCES DETERMINED TO ENSURE
ENGINE PERFORMANCE AND ALLOW FOR NORMAL VARIABILITY.
NOTE
Follow-on Maintenance:
Install engine retarder (page 3-129).
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