CFM56-7B Lube System

TRANSFER GEARBOX RADIAL DRIVE SHAFT FWD SUMP OIL SUPPLY LINE

1

No. 1BEARING VIBRATION LEAD + OIL TANK PRESSURIZING LINE

2

12 3 11 4 10

No. 1 SPEED SENSOR FORWARD SCAVENGE LINE

5

9 6

8

7

DRAIN LINE FORWARD SCAVENGE LINE

GEARBOX AND ACCESSORIES

FAN FRAME AFT LOOKING FWD

15

16

14

1 2

13

3

12

4

11

5 10

6 9

AFT SUMP OIL SUPPLY LINE

32

8

7

AFT SUMP OIL SCAVENGE LINE TURBINE OIL DRAIN

TURBINE FRAME AFT LOOKING FWD

NOTES :

FROM 30

START VALVE OPEN

START VALVE OPEN

OIL FILTER BYPASS

OIL FILTER BYPASS

LOW OIL PRESSURE

LOW OIL PRESSURE

100

100 50

50

0

0

FROM 26 27 13

29

25

OIL P

14

31

26

8 4

200

200

100

21

100 0

28

0

OIL T

75

OIL Q%

75

5

BYPASS VALVE

23

6

9

FILTER

FROM 13

15

FROM 27

10

17

11

OIL CLOGGING INDICATOR

18

1. OIL TANK 2. ANTI LEAKAGE VALVE 3. LUBE UNIT 4. SCAVENGE FILTER ASSEMBLY 5. SERVO FUEL HEATER 6. MAIN FUEL OIL HEAT EXCHANGER 7. DRAIN PLUG 8. GRAVITY FILL 9. SCUPPER DRAIN 10. REMOTE OVERFILL 11. REMOTE FILLING 12. SIGHT GLASS 13. OIL QUANTITY TRANSMITTER 14. SCAVENGE 15. VENT 16. SUPPLY 17. MAGNETIC CHIP DETECTOR OR DEBRIS MONITORING SYSTEM 18. SCAVENGE SCREEN 19. SCAVENGE PUMP 20. SUPPLY PUMP 21. OIL SUPPLY FILTER 22. BY PASS VALVE 23. POP OUT INDICATOR 24. PRESSURE RELIEF VALVE 25. T/P SENSOR 26. PRESSURE SENSOR 27. TEMPERATURE SENSOR 28. SCAVENGE FILTER 29. BY PASS VALVE 30. BY PASS SWITCH 31. BY PASS VALVE 32. AFT SUMP DRAIN

12

LEGEND : 22

AGB 30

2 1

SUPPLY LINE SCAVENGE LINE DRAIN LINE VENT LINE

7 RED BUTTON OUT

20 3

16 24

19

CFM56-7B LUBE SYSTEM SCHEMATIC FSC-217