RD 7 Operation
wc_tx000294gb.fm 35
4.18 Machine Stability
Surface conditions
Pay attention to changing surface conditions while operating the
machine. Adjust speed and travel direction as necessary to maintain
safe operation.
• Machine stability and traction may be severely reduced when
operating on uneven or rough terrain, rocky soils, or wet or
loosely packed surface material.
• The machine may suddenly tip, sink, or fall when moved onto sur-
faces that have been newly filled with earth.
Travel speed
A fast moving machine is more likely to tip or fall over while making
turns or changing direction.
• Reduce travel speed before turning the machine.
Drum overhang
The machine can tip suddenly if more than half of the drum width
extends beyond the edge of the elevated surface.
• Reduce travel speed and watch the drum position carefully when
operating along the edge of an elevated surface.
• Keep as much of the drum on the elevated surface as possible.
Vibrating on a compacted surface
Activating the vibratory system on a fully compacted surface may
cause the drums to rebound and momentarily lose contact with the
ground. If this occurs while the machine is on an incline, the machine
may slide.
• If the drums rebound on the compacted surface, reduce vibration
speed or stop vibration entirely.
WARNING
Crushing hazards. Certain job site conditions or operating practices may adversely
affect machine stability.
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Follow the instructions below to reduce the risk of tipping or falling incidents.
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