SECTION 7 –
SPRAY SYSTEMS
7-17
mechanical damage to the boom due to
severe imbalance, unintended contact with
the ground, or improper fold sequence.
NOTE: The Position Sensors are factory-
positioned and should not require
calibration. Contact your local John
Deere dealer if boom positioning
assistance is needed.
Accumulators
The level and lift cylinders (located on the
transom) are equipped with multiple
Accumulators. These Accumulators act as a
“shock absorber” for the booms.
Main Pivot/Breakaway Cylinders
The Main Pivot/Breakaway Cylinders are
responsible for the horizontal extension of
the booms to the spray position. They also
provide breakaway protection for the boom.
These breakaway cylinders will move
backward to a maximum of 45-degrees in the
event that the section encounters an
obstacle.
Outer Breakaway (Tip)
A spring breakaway (located at the tip of
the boom) moves forward, backward, and up
to provide protection of the boom by allowing
the boom to fold forward or backward in the
event that it were to come into contact with
another object.
NOTE: The Outer Breakaway is self-
resetting and will return to the normal
operating position after it has cleared
the hazard.
Position Sensor
-Typical View
Accumulator
-Typical View
Main Pivot/Breakaway Cylinders
-Typical View
Outer Breakaway
-Typical View
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