| Water Content |
< 0,05% |
0,05-0,4% |
> 0,5% |
Check for fresh/aslt water, jacket,cyllinder liner or piston cooling water leakages or check for purifier water seal malfunctions |
| TBN (Crosshead engines) |
2-12 |
1,75-25 |
< 1,75 or > 25 |
Partial renewal of lubricant.Check stuffing box seals for leakage or high TBN scavenge drains |
| TBN (Trunk piston engines) |
> 50% nominal |
- |
< 50% nominal |
Partial renewal of lubricant |
| Viscosity |
>90-110% nominal |
< 90% or 120% nominal |
> +/- 20% nominal |
Partial oil change.Check for fuel leakage into sump and check fuel pump lubricating oil supply pressure |
| Flash Point |
- |
- |
< 1800C |
Partial or Total replenishment |
| Insolubles |
0,5-1% |
1-2% |
> 2% |
Check centrifuge operation,stuffing box seal and piston ring condition |
| Water Content |
< 0,25% |
0,25-0,5% |
> 0,5% |
- |
| Viscosity |
> 75% nominal |
< 75% nominal |
- |
Check water contamination |
| Wear Metals |
- |
- |
- |
See Table 2 |
