Parameters | Lower limit | Upper limit |
| First zone (O1-O) | |
X1 (˚C) | 87.14 | 90 |
X2 (rpm) | 305 | 330.21 |
X3 (min) | 141 | 155 |
Y1 | 0.882 | 0.883 |
Y2 (cSt) | 6.76 | 8.06 |
| Second zone (O2-O3) | |
X1 (˚C) | 78.96 | 81.3 |
X2 (rpm) | 167.34 | 179 |
X3 (min) | 105.02 | 105.12 |
Y1 | 0.890 | 0.895 |
Y2 (cSt) | 6.63 | 6.76 |