A Series Diesel Engine Fuel System 97
Bar the crankshaft in the direction opposite engine
rotation until the indicator needle stops moving.
Adjust the indicator face to read zero.
Rotate the crankshaft in direction of engine rotation
back to the mark on the crank pulley. This is the
number 1 or top dead center (TDC) mark.
If accessible, the flywheel and starter plate can be
used to locate this position more easily.
At this point the dial indicator should read 1 mm [0.04
in] of lift.
If the dial indicator does not read 1 mm [0.04 in],
loosen the fuel pump mounting bolts and rotate the
pump till the correct plunger lift value is attained
12mm
Tighten the fuel pump mounting capscrews.
Torque Value : 29 n.m [21 ft-lb ]
Re-rating
The pump governor performance and setting can
affect engine power. Special equipment and qualified
personnel are required to verify governor
performance. The fuel rate change is not allowed
Injection pump re-rating must be discuss with
Cummins dealer.
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