LOAD SENSOR
Page 6
Load Sensor
The load sensor (fig. 2a) is connected by
a flexible hose into the pressure side of
the hydraulic circuit, using a tee fitting.
Depending on the machine, you may be
using a threaded tee piece, SAE flange
coupling, or if there is no suitable
coupling you may have to drill and tap
into a suitable point.
The machine is normally specified when
ordering a Weighlog kit so the correct
adaptor should be in the kit.
Where to tee in
Identify the lift hose on one of the main lift cylinders. Trace the lines back toward
the valve block , (at some point the lines from the other cylinder will join into a
single line). Identify a suitable coupling which allows enough room to be split and
the tee adaptor to be inserted, or in the absence of a suitable coupling, a point
which can be drilled and tapped. The tee in points could be anywhere between
the lift cylinder and the valve block but ideally should be as close as possible
to the lift cylinder.
1.
Make sure that the bucket is down on the ground and all pressure is released
from the hydraulic system, before loosening any hydraulic fitting! Always
loosen or open the cap on the hydraulic tank to help release any pressure.
2. Thoroughly clean around the tee in point before splitting, to prevent the ingress
of dirt into the system.
3. Make sure that the tee in point will allow the hose to reach the load sensor
mounting location. The load sensor needs to be mounted up under the machine
where it is protected.
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