Systems / Mechanical
The Gravely Pro-Turn 300 and 500 have an adjustable Roll-Over Protection System
that can be locked in 1 of 3 positions. During operation, the ROPS
should be raised to the fully upright position and the seatbelt must be
worn in order to hold the operator in the protective zone.
The height of cut system on Ariens and Gravely mowers depends on the specific Zero-Turn.
For the Gravely Pro-Turn 300 and 500, a vertical wheel system is used to lock
in the desired height of cut for the mower deck. The operator must push the foot
pedal in to raise the deck, unlock the handle, and then rotate the wheel.
This is easily accomplished due to the lift assist spring on both sides of the deck.
The drive control arms on the Pro-Turn 300 and 500 have four different adjustment
points dependent on the needs of the operator. The handles can be moved
vertically up and down as well as forward and backward for the height and
size of the operator. The black eccentric underneath the handle can also
be rotated to raise and lower the position of the handles. The left and
right control arm handles can also be removed and swapped to change orientation.
Each deck system has trailing arms that holds the deck in a fixed position under the frame.
The trailing arms control the forward and reverse movement of the mower deck when
the PTO is engaged and when traveling over the lawn. For the Pro-Turn 300
and 500, the trailing arms are located behind the deck on the inside of the wheels.
The deck lift system uses a four-point level and pitch system with metal hangers.
This allows the operator to step on the deck and remain stable.
The hangers also allow the deck to be easily adjusted up and down without
losing proper pitch.
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