Cross-Slope Control Is A Drainage Decision: Pendulum Sensor 2462560026 For S1800 S1900 S2100 Pavers

A Road Fails Inspection On Water, Not On Looks

Hand a fresh mat to an inspector and the first question is rarely about texture. It is about where the water goes. Cross-slope decides that, and cross-slope is the one thing on a paver that the operator cannot reliably judge by eye — a mat that looks flat can sit half a percent off and pond water at every low point after the first rain.

The component responsible for that number is the slope sensor. The pendulum position sensor 2462560026 is the reference for S1800, S1900 and S2100 pavers, and it is the part that quietly decides whether a completed lane passes or comes back as a claim.

How A Pendulum Earns Its Place On A Paver

Inside the housing a pendulum hangs under gravity and is mechanically linked to the tow arm or reference beam. As ground level changes, the arm rotates and an internal precision potentiometer turns that rotation into an analog signal proportional to the angle. The control console compares the live value against the target slope and tilts the screed, so the correction happens continuously instead of at the operator's reaction speed.

Gravity is the reason this architecture survives on job sites. There is no optical window to cloud over and no sonic cone to misread soft mix — the reference is true vertical, whatever the surface is doing underneath.

Why Fleets Standardise On This Part Number

• Three models, one spare. S1800, S1900 and S2100 machines share this reference, so a single shelf item covers the leveling system across the generation.
• Fault isolation by multimeter. The output is a plain analog voltage, so a reading at the connector separates a dead sensor from a broken harness before any part is ordered.
• No calibration laptop. Zeroing is mechanical and the target slope is set on the console — a crew can complete the swap and a test strip inside a shift.
• Sealed against the environment. Dust, bitumen splash, wash-down water and screed heat are the normal operating conditions, not the exception.

Technical Snapshot

Field Check: Target Slope Against A Straight Edge

When a crew suspects the sensor rather than the calibration, a straight edge and a rule give a quick second opinion before any part is touched.

Telling The Sensor Apart From The Harness

Fitting Notes

The unit mounts on the original bracket footprint, so the job is mechanical: isolate the machine, note the cable routing along the tow arm, transfer the two fasteners, reconnect the harness and sweep the pendulum through its full travel to confirm nothing binds. Zero on level ground, set the target slope on the console and pave a short strip to verify the screed responds in the expected direction.

Before dispatch we verify three details against the order: machine model, the part number stamped on the existing sensor body, and the connector pin count on the harness. Send a photo of the fitted unit and the check is done the same day.

A slope failure stops the spread — it is not a cosmetic issue that waits for the next service interval. Keeping the correct pendulum sensor on the shelf costs a fraction of a lost paving day and keeps the leveling system on every machine of the generation covered by a single spare. Contact our spare parts team for current stock, quantity pricing and model verification.