The recommended engine operation conditions and limits are as follows:
| Speed, Temperature and Time Limits (PW2037/2040) |
||||
|---|---|---|---|---|
| Operating Condition | N1 | N2 | Max EGT | Time Limit |
| Ground Start | - | - | 485°C | Momentary |
| 545°C | 30 secs | |||
| Max Cont (Amber Band) |
100.5 | 100.0 | 615°C | Unrestricted |
| Takeoff (Red Line) |
100.5 | 100.0 | 645°C | 5 mins |
|
Boeing Maintenance Manual