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| EGT Gauge Markings | 1100°C |
| EGT Limits | None |
| Starter Limits | None |
| Max Altitude Bleed + Electrics | 10,000' |
| Max Altitude Bleed | 17,000' |
| Max Altitude Electrics | 41,000' |
| Warm up period | 3 min |
| Bleed pack operation | 2 packs |
| Main engine start to APU shutdown | Immediate |
| APU shutdown | Immediate |
- Allow the APU to completely shutdown before the battery is switched off.
- The APU bleed valve must be closed when:
- ground air is connected and the isolation valve is open
- engine 1 bleed valve is open
- isolation valve and engine 2 bleed valve are both open
Auxiliary Power Unit
Categories: Boeing 737NG | Limitations
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