New Holland CX720 Operator's Manual page 54

SECTION 1 – GENERAL INFORMATION AND SAFETY
With the ladder in the side position for field operation,
the ladder can pivot, at 2, when the combine is
advancing or reversing and the ladder contacts an
obstacle.
The pivoting force is adjusted with springs 3. The
length of the springs should be 63 mm (2–1/2").
Be sure to return the ladder to the center position
before stepping onto the ladder.
3. Access to straw elevator to enable cleaning of the
cab windscreen.
Raise the header to its highest position and engage
the header safety latch. Step on the straw elevator
(is foreseen with antislip strips) and keep your hand
on rail 1 on top of the cab.
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