LESSON 15 · ADVANCED · SHORT LESSON
Accumulators
Stores energy under pressure and may retain energy while the machine is switched off.
What is happening technically?
Calculate gas precharge and working volume for the application. Precharge checks require specialist equipment, the correct gas and qualified personnel.
In practice
Can be used in shock-damping and emergency-movement circuits.
● 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?