- oil level in the tank.
- working temperature is not exceed 60C.
- condition of the fluid (visual inspection, colour and smell of the hydraulic oil).
- working pressures.
- gas pre-loaded pressure on the pressure storage.
- leaks on the pump, valves and pipelines.
- filter elements, for cleanliness.
- hose lines.
Source - Industrial Hydraulics / Parker
@ 05/02/2010 - flight delay KL to JB ... enjoy your journey ... keh3 ... sabar aje la