New Holland CX720 Repair Manual page 1615

10. Loosen and remove the step mounting hardware (1)
securing the step assembly (2) to the floor and en-
gine. Remove the step assembly (2) from the com-
bine
11. Loosen the hose clamps (1) on the upper coolant
tube (2).
Remove the coolant tube from the water pump (3)
and radiator (4).
12. Loosen the hose clamp (1) and retaining hardware
(2) from the ventilation tube (3).
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