LESSON 14 · INTERMEDIATE · SHORT LESSON
Hydraulic Motors
Converts oil flow into rotary motion. Torque depends on pressure difference; speed depends on flow and displacement.
What is happening technically?
İdeal T(Nm) = Δp(bar) × Vg(cm³/dev) / (20π). Verim, kaçak ve karşı basınç gerçek sonucu değiştirir.
In practice
For a motor that stalls under heavy load, measure inlet/outlet pressures and available flow together.
● Pressure / supply● Return┄ Pilot (illustrative)
Educational diagram only; not a manufacturing or safety circuit. The pilot line illustrates the line style only.
Symptom → check → solution
If movement, pressure or temperature changes, first identify the conditions in which the symptom occurs. Record existing gauge readings. Base maintenance or circuit examination on causes confirmed by measurements.
Select your symptom in Fault Hunter →Quick check
Which is the correct approach before replacing a component?