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OPERATION
OPERATION
Operation Section 4-15
© 2006 Alamo Group Inc.
FLX15/10 04/06
The cut height for the center section is set by extending
or shortening the depth collar located on the center lift
cylinder. Cutting height for the wing cylinders will be
automatically controlled by the hydraulic phasing
system. Depth stops are also provided on the wing
cylinders as back up for fine adjustments.
IMPORTANT: If depth control stops are not set at the
same height as the center cylinder, internal damage
may occur to the phasing cylinders.
The cutter should always be operated in the highest
position that will produce the desired cutting results.
Operating at increased heights will minimize the
chances of blades contacting the ground and
discharging debris.
6.1 SETTING CUTTING HEIGHT
6. SETTING THE MOWER
Properly setting the cutting height is essential for efficient and safe operation. A properly set mower will make a
more uniform cut, distribute clippings more evenly, require minimal tractor work, and follow the contour of uneven
terrain. Note: Avoid very low cutting heights, striking the ground with the blades gives the most damaging shock
loads and will cause damage to the mower and drive. Blades contacting the ground may cause objects to be
thrown out from under the mower deck. Always avoid operating the mower at a height which causes the blades to
contact the ground.
Hydraulic Cylinders must be filled with hydraulic oil before removing the wing transport pins to lower the mower
wings and deck. Hydraulic cylinders and lines are filled by holding the valve control levers in the raised position
until the cylinders fully retract (wing cylinders) and extend (center cylinder). Place control levers in the float
position and repeat process several more times to purge all air from the system. Ensure wings are entirely
supported by the cylinders before removing the transport pins. NEVER drive out pins and NEVER remove
transport pins that have tension on them.
Hydraulic Cylinder Priming
Never work under the Implement, the framework, or any lifted compo-
nent unless the Implement is securely supported or blocked up to
prevent sudden or inadvertent falling which could cause serious injury
or even death. (SG-14)
DANGER!
Hydraulic Cylinder
Depth Collar Adjustment
After connecting the Flex-Arm hydraulic lines to the tractor,and mower hydraulics to the Flex-Arm, support the
hoses with the equipped brackets. Ensure that hoses do not contact the driveline, do not bind while turning, and
do not become pinched or kinked.
Hydraulic Line Support
FLX15 Hydraulic Circuit Requirements
Hoses and breakaways are provided in order to connect to a 15’ rotary cutter with individual single acting wing
circuits. A total of 4 hydraulic circuits are required. Two of the circuits require float positions on the control
valves in order to operate the single acting wing circuits on the rotary cutter.
FLX10 Hydraulic Circuit Requirements
Hoses and breakaways are provided in order to connect to a 10’ rotary cutter with single acting wing circuit. A
total of 3 hydraulic circuits are required. One of the circuits requires a float position on the control valve in order
to operate the single acting wing circuit of the rotary cutter.