New Holland CX720 Operator's Manual page 321

Grain tank with extensions
Closed position of grain tank extensions 1.
The grain tank extensions 1 can be opened manually.
Grain tank with covers
The grain tank with covers can be opened electrically
(with actuator) from the cab if the field mode is
selected and if the threshing mechanism is not
engaged.
At the same time, the bubble-up tube opens.
To prevent damage to the bubble-up tube is it not
possible to engage the threshing mechanism as long
as the covers are moving.
NOTE: Do not close or open the grain tank
extensions with a full grain tank.
WARNING
Be careful: excessive height with open grain tank
covers: 4.8 m (15.75 ft)
3–78
SECTION 3 – FIELD AND SITE OPERATION
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