Slope Sensor Paver Pendulum Position Sensor S1800 S1900 S2100 2462560026 Leveling System for Asphalt Paver

A slope sensor is the only component on the machine that knows the cross-slope of the mat. The screed can be level to the eye and still be wrong by half a percent, which is the difference between a road that drains and a road that ponds water at every low point after the first rain.

Inside this unit a pendulum hangs under gravity, mechanically linked to the tow arm or reference beam. As ground level changes, the pendulum arm rotates and an internal precision potentiometer converts that rotation into an analog signal. The control console compares the live value with the target slope and tilts the screed automatically, which removes the constant manual trimming that wears out operators on long pulls.

Useful when verifying sensor response against a spirit level or a straight edge. Drop is measured over the mat width of the lane being paved.

• Confirm the machine is on level ground with the screed lowered and the harness isolated.
• Note the cable routing along the tow arm before removing the old unit, then transfer the bracket fasteners.
• Fit the replacement on the same footprint, reconnect the harness and sweep the pendulum by hand through its full travel to check for binding.
• Zero the reference on a level surface, then set the target slope and pave a test strip to confirm the screed responds in the expected direction.