Wacker Neuson RD 12A, Operator'S Manual

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RD 12A Operation
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4.23 Direction and Speed
See Graphic: wc_gr002953
The forward/reverse control (15) controls both the direction and speed
of the roller. Use the control lever, rather than the throttle, to control the
speed of the machine while compacting.
Speed is controlled by the amount the lever is moved in the direction
of travel—forward or reverse.
During operation, to run the machine at full throttle, press and release
the upper half of the throttle switch (HIGH)
(54) . This ensures
maximum travel speeds and will produce the best compaction results.
Operating the machine at slower engine speeds will reduce
compaction, slow down machine functions, and damage hydraulic
components.