Limitations-5.txt

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Author:
Garytrv8
ID:
262229
Filename:
Limitations-5.txt
Updated:
2014-02-16 11:59:02
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Description:
limitations
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  1. Maximum continuous stating time for the starter is?
  2. 15 minutes
  3. What are the cooling periods for the starter?
    5 to 10 min continuous operation requires 10min cooling

    10 to 15 min continuous operating requires 15min cooling
  4. What is the engine oil temperatures for take-off
    • CF6-80C = the oil must be above the bottom of the temperature scale before power is advance
    • for take-off.

    PW4060 = the oil must be greater then 50c before power is advance for take-off.
  5. Engine EGT limits?
    • Take-off. PW4060. 650c for 5min
    • CF6-80C 960c for 5min

    • MAX Cont. PW4060. 625c Continuous
    • CF6-80C. 925c. Continuous

    • Starting. PW4060. 535c. No time limit
    • CF6-80C. 870c. 40sec
    • 750c. Unlimited
  6. PW EGT LIMIT FOR ENGINE START?
  7. 535
  8. GE EGT START LIMIT FOR ENG START?
    • 870 for 40 sec
    • 750. No time limit
  9. PW HOW MANY SECONDS FOR ENGINE LIGHT OFF AFTER FUEL ON?
    20sec
  10. GE HOW MANY SECONDS FOR ENGINE LIGHT OFF AFTER FULE ON?
    25sec
  11. PW ABORTED ENGINE START checklist for any of the following
  12. - The EGT does not increase by 20sec after fuel control switch is moved to RUN
    • - There is no N1 rotation when the EGT increases.
    • - The EGT quickly nears or exceeds the start limit
    • - The N2 is not at idle by 2 min after the fuel control switch is moved to RUN
    • - The oil pressure indication is not normal by the time that the engine is stabilized at idle
  13. GE accomplish ABORTED ENGINE START checklist for one of the following.
  14. - The EGT does not increase by 25 sec after the fuel control switch is moved to RUN
    • - There is no N1 rotation by 30sec after the N2 is stabilized at idle
    • - The EGT quickly nears or exceeds the start limit
    • - The oil pressure indication is not normal by the time that the engine is stabilized at idle.

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