Step | Action | Value | Yes | No |
|---|---|---|---|---|
1 | Check the low side valve. Is the low side valve closed? | -- | ||
2 | Open the low side valve. Is the valve open? | -- | System OK | -- |
3 | Check the pump oil. Is the oil contaminated? | -- | ||
4 | Change the oil. Refer to the manufacturer's instructions. Is the oil change complete? | -- | System OK | -- |
5 | Check the charging lines. Is a charging line loose? | -- | ||
6 | Check the connections. Are the lines properly connected? | -- | System OK | -- |
7 | Check the manifold. Is the manifold leaking? | -- | System OK | |
8 | Check the connections. Are the connections properly connected? | -- | System OK | -- |