New Holland SmartTrax T8.320 Service Manual page 55

Install the camshaft with the three holes (viewed from the
front) in the 9, 12 and 3 o'clock position.
NOTE: Do not trust the back of the cam for positioning.
Install the camshaft gear as shown.
In T8. tractors, the cam drive must be installed with the
three phonic wheel mounting holes making an arrow
pointing to the right. If this is not done, the phonic wheel
will not be able to be timed.
The slotted holes must be centered on the camshaft bolt
holes to make fine adjustments to the cam later in this
process.
Install the bolts and tighten, but do not torque yet; they will
be loosened later in this procedure.
Engine - Engine and crankcase
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