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C2872277 XCMG GR2605 motor grader position sensor
– Part Number: C2872277 (2872277)
– Material: The shell is made of high-quality engineering plastic (high temperature resistant and anti-aging), the interior adopts high-precision Hall element, and the pins are tinned copper terminals
– Type: Hall-type position sensor (special for camshaft, can also be used as TDC sensor)
– Temp Range: -40℃～150℃
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Product Details:
C2872277 XCMG GR2605 motor grader position sensor
C2872277 (2872277) is a genuine Cummins position sensor (camshaft position sensor), whose core function is to detect the operating position and speed of the engine camshaft, convert mechanical signals into electrical signals and transmit them to the engine ECU (Electronic Control Unit). It provides core data for the precise control of fuel injection timing and ignition timing, and also has the function of cylinder identification to avoid fuel injection disorder. It fits Cummins medium and heavy-duty engines, and works with engine ECU, camshaft signal plate and wiring harness to ensure stable and efficient operation of the engine, preventing faults such as insufficient power and increased fuel consumption.
Technical Parameters
– Part Number: C2872277 (2872277)
– Material: The shell is made of high-quality engineering plastic (high temperature resistant and anti-aging), the interior adopts high-precision Hall element, and the pins are tinned copper terminals
– Type: Hall-type position sensor (special for camshaft, can also be used as TDC sensor)
– Temp Range: -40℃～150℃
– Supply Voltage: 5V～12V (DC, suitable for engine ECU power supply standard)
– Output Signal: Digital pulse signal (high and low level switching)
– Torque: 12～18N·m (mounting bolts)
– Standards: Cummins OEM, ISO 9001, TS16949
Application
Applicable Engines
– Cummins: 4B3.9, 6BT5.9, 6CT8.3, ISB4.5/6.7, ISDe, ISLe Series
– DCEC: ISDe, ISBe, 6CT8.3, EQ1120GA applicable models (suitable for engines supporting Tianlong, Tianjin and other models)
Equipment
– Construction Machinery: Medium and large excavators, loaders, mining auxiliary equipment (equipped with Cummins 3.9L/5.9L/8.3L models)
– Commercial Vehicles: Medium and heavy-duty trucks such as Dongfeng Tianjin, Tianlong, Foton Auman (equipped with Cummins applicable models)
– Gensets: 50～200kW Cummins 4B/6B/6CT series diesel units
– Industrial Equipment: Air compressors, marine auxiliary engines, oilfield machinery (equipped with Cummins medium and heavy-duty engines)
Installation Location
Installed at the front end or side of the engine cylinder head, aligned with the camshaft signal plate, fixed on the cylinder head bracket with threaded bolts. The sensor probe maintains a gap of 0.5～1.5mm with the signal plate to ensure stable signal transmission, close to the end of the camshaft, away from high temperature and high vibration areas.
Installation & Maintenance
1. Clean: Thoroughly clean the surface of the mounting bracket and the camshaft signal plate from oil, iron chips and dust to ensure the mounting surface is flat and clean; clean the surface of the sensor probe to avoid signal detection interference caused by impurity blocking.
2. Inspect: The new sensor has no damage or cracks, the pins are not bent or oxidized, and the plug is in good contact; check that the signal plate has no wear, deformation or tooth surface damage, and the installation gap meets the standard; verify that the sensor model matches the engine model.
3. Install: Align with the mounting hole, smoothly screw in the fixing bolt to avoid sensor damage due to excessive force; adjust the gap between the probe and the signal plate to ensure no collision or excessive gap, and firmly insert the plug into the wiring harness interface without looseness.
4. Torque: Tighten the fixing bolt to 12～18N·m in 2 steps to ensure the sensor is firmly installed without looseness or shaking, avoiding gap deviation or sensor damage caused by engine vibration.
5. Re-inspect: Start the engine, check for no fault codes, stable idle speed, and no jitter during acceleration; use a diagnostic instrument to detect the sensor output signal to ensure the signal is stable and uninterrupted, and confirm that the fuel injection timing is normal.
6. Maintenance: During each engine maintenance, check the contact condition of the sensor plug and the tightness of the fixing bolt; clean the probe and signal plate impurities to avoid signal interference; if the sensor signal is abnormal, the engine has insufficient power or difficulty starting, replace the C2872277 genuine part in time.
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