O P E R ATIN G A N D O PE R AT I O N
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5.5 Optional equipment
Activate the loader lift arm damper control to im-
prove ride quality and stability during travel with
the loader. Disengage the damper control before
attempting to use the loader for loading operations.
Before engaging the damper feature, verify that the
loader bucket or attachment has sufcient clear-
ance with the ground to avoid contact while travel-
ing. The loader lift arms will drop when the damper
function is activated.
To negate pitching motion of the loader chassis
when traveling, raise the bucket or attachment
approximately 30 cm (12”) to compensate for the
vertical movement of the bucket or attachment as
the feature moves.
Loader lift arm damping
The loader lift arm damping is engaged by means of the
pull switch adjacent to the operator’s seat on the right hand
side (Fig. 47). There is a red indicator light in the switch.
Engaging the feature reduces the effect of uneven ground
on the attitude of the machine when traveling at higher
speeds. It reduces pitching by use of the loader arm mass
and hydraulic system to act as a damper. This reduces the
stress on the wheel loader and the motion imparted to the
operator through the seat. This feature reduces the effect,
but does not replace the operator’s responsibility for ob-
serving the terrain and making speed reductions to avoid
extreme motion over undulating surfaces.
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