24-11-51
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500MAINTENANCE MANUAL
SEE A
CSD
1. SELF-CLOSING VALVE
6. GASKET
2. TANK DRAIN PLUG
5. SIGHT GLASS
4. GASKET
3. OIL LEVEL INDICATOR PLATE
57
32
A
14
86
CSD OIL RESERVOIR SIGHT GLASS
TORQUE SEQUENCE

CSD Sight Glass Installation Figure 401
A93151
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 2) Install the O-ring on the valve (1).
 3) Install the valve (1).
 4) Tighten the valve 30 to 40 pound-inches (valve part number

 A7714-1 or A7810). 5) Tighten the valve 45 to 60 pound-inches (valve part number A3268). 6) Install the Lockwire to the valve (1).
 (f)  Install the tank drain plug (2). 1) Lubricate the O-ring with Acryloid HF-866. 2) Install the new O-ring on the plug (2). 3) Install the plug (2). 4) Tighten the plug (2) to 75-100 pound-inches. 5) Install the lockwire to the plug (2).
 S 024-004-001
 (3)  Remove the sight glass (5).
 (a) Remove the screws from the indicator plate (3).
 CAUTION: BE SURE THE SIGHT GLASS DOES NOT FALL INTO THE
_______ TRANSMISSION DURING THE REMOVAL. REMOVE ALL THE GLASS FROM THE TRANSMISSION IF YOU BREAK THE GLASS. YOU WILL CAUSE DAMAGE TO THE TRANSMISSION IF YOU DO NOT REMOVE THE GLASS.
 (b)  
Remove the indicator plate (3).

 (c)  
Discard the gasket (4).

 (d)  
Remove the sight glass (5).

 NOTE: Pull the sight glass loose with a tool that has a nylon
____ point if it is necessary.
 (e)  Remove the gasket (6).
 S 114-005-001
 (4)  Clean the sight glass (5) with a soft brush and solvent.
 TASK 24-11-51-404-006-001
 3. Generator Drive Sight Glass Installation (Fig. 401)
________________________________________
 A. Consumable Materials
 (1)  
D00046 Lubricant - Silicone Grease, Dow Corning No. 4

 (2)  
D00279 Lubricant - Grease, Mobilgrease 28

 B.
References

 (1)  
AMM 12-13-21/301, Constant Speed Drive

 (2)  
AMM 71-00-00/201, Power Plant

 (3)  
AMM 71-11-02/201, Fan Cowl Panels

 C.
Procedure

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 S 414-007-001
 CAUTION:_______MAKE SURE THE CSD AREA IS ALWAYS CLEAN. A DIRTY DRIVE SYSTEM CAN CAUSE DAMAGE TO THE CSD.
 (1)  Install the sight glass (5).
 (a)  
Apply a thin layer of grease to the two sides of the gasket (6).

 (b)  
Put the gasket (6) in the recess in the drive housing.

 (c)  
Put the sight glass (5) in the recess in the drive housing.

 (d)  
Put the gasket (4) on the sight glass (5).

 (e)  
Put the indicator plate (3) on the sight glass (5).

 (f)  
Install the screws into the indicator plate (3).

 (g)  
Tighten the screws to 4-5 pound-inches.

 (h)  
Tighten the screws to 7-9 pound-inches in the sequence shown on Fig. 401.

 S 614-008-001
 (2)  Fill the CSD with oil (AMM 12-13-21/301).
 D. Examine the sight glass installation for leaks.
 S 864-009-001
 (1)  
Motor the engine (AMM 71-00-00/201).

 (2)  
Examine the sight glass installation for leaks.

 (3)  
Close the cowl panel (AMM 71-11-02/201).

 S 214-010-001
 S 414-011-001
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVE ú
　
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