| Component parts |
Description |
| Needle valve A |
Needle valve for oil filling or trouble diagnosis. It is usually closed. |
| Needle valve B |
Needle valve for trouble diagnosis. It is usually open. |
| Needle valve C |
Needle valve for oil filling or trouble diagnosis. It is usually closed. |
| Needle valve D |
Needle valve for trouble diagnosis. It is usually open. |
| Needle valve E |
Needle valve for oil filling or trouble diagnosis. It is usually closed. |
| Relief valve |
If system pressure increases, then the orifice becomes clogged and oil flow into PPMU becomes disrupted, resulting in a large pressure difference between PPMU and both pipes. In this case, the relief valve opens to let the oil flow. |
| Oil injection jack |
- Oil filling inlet
- For basic inspection use.
|
| Air bleeder |
For air bleeding use. |