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OPERATION
DB150 07/11 Operation Section 4-29
© 2011 Alamo Group Inc.
OPERATION
Extremely tall grass should be cut twice. Raise mower and cut twice the desired height. Cut the second time at
desired height at 90 degrees to first pass.
Remember, sharp blades produce cleaner cuts and use less power.
Before cutting, analyze the area to determine the best cutting procedure. Consider the height and type of
material and the terrain type: hilly, level or rough.
10.2 Operating the Control Valve
The optional 2-spool Control Valve should be located to the right of the operator at a convenient height.
EXTEND CYLINDER
The first handle on the control valve actuates the Extend Cylinder. This valve has three positions and operates
in three ways.
Push the valve handle forward and you admit hydraulic fluid to the Dead End of the Extend Cylinder, causing
the Mainframe Boom to extend outward.
If the handle is released, the valve will automatically return to center, and the Boom will be Locked in place.
Pull the valve handle back towards you and admit hydraulic fluid to the Rod end of the cylinder causing the
boom to return toward the tractor.
Again, if the valve handle is released, the valve will automatically return to center and the boom will be Locked
in place.
Do not mow with two machines in the same area except with Cab tractors with the windows
closed.
(SGM-11)
Mow only in conditions where you have clear visibility in daylight or with adequate artificial
lighting. Never mow in darkness or foggy conditions where you cannot clearly see at least
300 feet (90 m) in front and to the sides of the tractor and mower. Make sure that you can
clearly see and identify passersby, steep slopes, ditches, drop-offs, overhead obstructions,
power lines, debris and foreign objects. If you are unable to clearly see these type of items
discontinue mowing.
(SGM-1)
Avoid mowing in reverse direction when possible. Check to make sure there are no
persons behind the mower and use extreme care when maneuvering in reverse. Mow only
at a slow ground speed where you can safely operate and control the tractor and mower.
Never mow an area that you have not inspected and removed debris or foreign material.
(SGM-08)
Never operate the mower head tilted down where the operator can see the blades of the
mower. The blade could throw an object toward the operator causing serious injury or
death. Never operate the mower without an Operator Protective Structure. Always wear
safety glasses and a hard hat. (Ops-0005-MISC)