Spearhead QHD Flail Mowers
13
Operation
Engage the PTO only when the tractor engine is at low revs to prevent shock
damage to machine. Slowly increase the engine revs to achieve the standard
1000/540 RPM PTO speed, as indicated by the decal. If at any time serious
vibration occurs, stop the engine immediately and check that no flails are
missing, (following all safety precautions). The cause must be found and rectified
immediately or other components may be affected.
When in work, lower the machine to the ground carrying all its weight on the rear
roller or wheels, allowing the machine to follow the contours of the ground. Select a
sensible forward speed bearing in mind the density of growth, the terrain, and the
available horsepower, taking extra care when turning, particularly on slopes. When
turning it is not necessary to lift the machine off the ground but instead allow
sufficient room to turn in a large radius. The machine only needs to be raised when
turning a tight corner or reversing over dense undergrowth.
Quality of finish is determined by the forward speed i.e. a slow speed will produce a
high quality of cut, whereas faster forward speeds are used when high output is first
priority.
When cutting in extreme conditions or when small stumps, stones and other such
solid objects are likely to be found it is recommended the operator reduces the
engine revs to allow the flails to pivot more easily when striking solid objects, and
proceed with caution.
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