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OPERATION
SE10-4A/SE15-4A 03/09 Operation Section 4-13
© 2009 Alamo Group Inc.
OPERATION
Hydraulic Line Support
After connecting the mower hydraulic lines to the tractor, 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 Cylinder Priming
Hydraulic Cylinders must be filled with hydraulic oil before removing the wing transport braces to lower the
mower wings. 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 a second time. Ensure wings are entirely supported by the cylinders before
removing the transport bars. NEVER drive out bar pins and NEVER remove bars that have tension on them.
7.1 Setting Deck Height
LEVELING DECK CENTER SECTION
1. Place the tractor and mower on a level
surface and lower both wings.
2. Use the center section hydraulic cylinder to
set the mower at approximately 3/4” above
the desired cutting height. The additional
height is necessary so that after the mower
has been leveled, the deck pitch can be set
such that the front of the mower is slightly
lower than the rear.
3. Shut down the tractor, place the transmission
in park, and set the parking brake before
dismounting.
4. Level the mower deck front to rear by
adjusting the leveling rods linking the tongue
to the rear axle. DO NOT allow feet or other
body part underneath the mower when making adjustments. To adjust rod length, loosen jamnut and
screw turnbuckles. To lower the front, lengthen the rods and to raise the front, shorten the rods. DO NOT
unscrew turnbuckles to the point that either rod threaded ends becomes disconnected which will cause
the mower to fall. Re-tighten jamnuts when deck is leveled. IMPORTANT: Alternate adjustments
7. 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. OPS-U- 0010
Never work under the Implement, the framework, or any lifted
component 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)