FOREST CRANE PALMS 840
V 1.03 EN 2012 Palmse Mehaanikakoda LLC 23
Working on inclined surface, do not operate with the full lifting torque and be extremely
careful. Loading uphill note, that turning crane with too much load might cause the oil
pressure in slewing device cylinders to reach critical point, where shock valve has to
intervene. This could make slewing device uncontrollable and crane might turn back to
downhill direction in a way, that it might fall over. In such case lower the load as close to
ground as possible, but not too rapidly .
Use the support legs only for purpose to provide additional support for the
vehicle! Don’t forget to lift the support legs UP before moving to another
place!
Support legs are equipped with extra valves, wich will keep them in working position in
case feeding hoses of support leg cylinder breakes.
Do not exceed the speed limit when driving! Adjust speed according to the
road and weather conditions. Be especially careful on turns! For driving
always attach crane by grapple to trailers frame. When driving with load,
leave one log sticking out from pile and attach crane by grapple to it. Keep
crane boom as low as possible.
Do not use support legs in DOWN position while parking!
When using forest crane in combination with forest trailer, use trailer parking leg (fig.8) and
make shure, that crane support legs are not leaning to the ground.
Figure 16. Parking leg of trailer
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