S 082-017
 (3)  
Disconnect the tester.

 S 362-015

 (4)  
If it is necessary, repair the leaks that you found.

 (5)  
If you repaired a leak, do this task again.

 S 212-012
 TASK 24-11-00-902-018
 3. CSD to VSCF Replacement (Fig. 202 and 203)
_______________________
 A. General
 (1)  
This procedure refers to a constant speed drive as a CSD. This procedure refers to a variable speed constant frequency generator/converter as a VSCF.

 (2)  
This procedure gives instructions to install a VSCF on an engine which has a CSD installed.

 B.
Consumable Materials

 (1)  
D00193 Lubricating Oil, MIL-L-7808 or MIL-L-23699

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

QAD RING 
2. GENERATOR  1. CSD  SEE  C 
SEE  B 
SEE  A 
A 
2. GENERATOR 
A 
8. CLAMP  SEE  D 
(3 LOCATIONS) 
3. SCREW 
4. WASHER  1. CONSTANT SPEED 
5. NUT  SEE  F  DRIVE 
6. CLAMP 
7. HALF SHELL CLAMP 
A 
9. CLAMP 
(2 LOCATIONS) 
10. CLAMP 
(2 LOCATIONS) 

SEE E
FWD
B
CSD and Generator Parts Figure 202 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
15.
 SCREW

16.
 WASHER

17.
 NUT

14. HOSE SUPPORT18. SCREW (2 LOCATIONS)BRACKET
19. WASHER
 (HOSES NOT

(2 LOCATIONS)
SHOWN)

20. ATTACHMENT BRACKET
12.
 SCREW

13.
 WASHER 21. SCREW
(2 LOCATIONS)

22. WASHER (2 LOCATIONS)
23A. COLLECTOR RING
11. CLAMP
24.
 WIRE SUPPORT BRACKET

25.
 BLAST COVER  ADAPTER

15. SCREW
26.
 SCREW  16. WASHER

27.
 WASHER 17. NUT

18. SCREW
(2 LOCATIONS)  (2 LOCATIONS)
23B. ELBOW
14. HOSE SUPPORT
19. WASHER 23D. WASHER (2 LOCATIONS) 23C. SCREW BRACKET (HOSES NOT
(6 LOCATIONS)
SHOWN)

20. ATTACHMENT BRACKET
(ALTERNATIVE CONFIGURATION)
12. SCREW 21. SCREW
A-A
13. WASHER 22. WASHER
(2 LOCATIONS)
(2 LOCATIONS)
24. WIRE SUPPORT BRACKET
11. CLAMP
25. BLAST COVER
23F. COLLECTOR
ADAPTER
RING
DRIVE (CSD)

2. CONSTANT SPEED
26.
 SCREW

27.
 WASHER

(2 LOCATIONS) 24G. SCREW
32. QAD RING  24H. WASHER (4 LOCATIONS)
23E. COLLECTOR
33. QAD ADAPTER RING
GASKET
(ALTERNATIVE CONFIGURATION) A-A
36. O-RING
(0.139 DIA
34. O-RING
CROSS SECTION)

(0.103 DIA CROSS SECTION)
35. MOUNTING PAD
ADAPTER PLATE

C
CSD and Generator Parts
Figure 202 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CSD
28. DRAIN TUBE
2. GENERATOR
30.
 UNION

31.
 O-RING

29. CLAMPS
44. ELBOW
 FWD

D 43. NUT
42. RETAINER
41. O-RING
40. TEE FITTING
39. NUT
38. RETAINER
37. O-RING
　
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