Description
T01042GB 12
4.4 Description of function
The vibration needed for the soil compaction is generated in the exciter
(9). The exciter is tightly bolted to the lower mass (8). It has been
designed as a central exciter, therefore allowing - by ways of a relative
rotation between the excentric weights (1) - the rotation of the direction
of the vibrations. Thanks to this technique, it becomes possible to
change over from forward travel to a right or left turn or to reverse travel
of the vibratory plate while during the compaction operation. This
process is controlled by means of a set of electro-hydraulic switching
valves.
The drive engine (12) anchored to the upper mass (7) drives the
exciter (9). The torque is transmitted by means of a friction connection
through the centrifugal clutch (4) and the exciter V-belt (10).
The centrifugal clutch interrupts flow of power to the exciter at low
engine speeds and thus permits perfect idling of the drive engine.
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