New Holland CX720 Repair Manual page 2573

13. Remove the input shaft assembly (1) from the gear-
box.
14. Turn the gearbox over and support it with the
thresher shaft pointing in the upward direction.
Remove the thresher shaft key (1).
Pry the thresher shaft seal (2) from the gearbox.
15. Using a modified chisel, force the indented portion of
the slotted nut from the shaft. Turn the nut from the
thresher shaft.
NOTE: It may be necessary to destroy the slotted nut to
remove it from the thresher shaft.
POWER TRAIN - PROCESS DRIVE Primary process drive
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