Many excavator operators report low oil pressure during operation.
Excavator Symptoms: Insufficient oil pressure leads to accelerated wear on the crankshaft and bearings, cylinder liners and pistons due to poor lubrication.
Caterpillar ET 2026A & 2019C Electronic Technician Diagnostic Software Download and Installation
Causes:
1. Insufficient oil level
2. Oil pump not running
3. Oil cooler leak
4. Malfunctioning pressure sensor or blocked oil passages
5. Inappropriate oil grade
Solutions:
CAT Comm Adapter3 478-0235 Diagnostics for Caterpillar
1. Increase oil level.
2. Disassemble and calibrate the oil pump, checking its wear condition.
3. Inspect the oil cooler.
4. Inspect the pressure sensor.
5. Check if the oil grade is compatible with your machine.
