737 AMM 飞机维护手册 电源 ELECTRICAL POWER(19)

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CAUTION:  DURING ALL SERVICING AND MAINTENANCE ON CONSTANT SPEED DRIVE, CLEANLINESS IS ABSOLUTELY ESSENTIAL. TAKE ALL POSSIBLE PRECAUTION TO PREVENT FOREIGN MATTER FROM ENTERING DRIVE SYSTEM.
B.  If the CSD overheats, check the integral oil filter for sludging. If carbon particles are on the filter, drain and reservice the CSD system, and the change CSD integral oil filter element.
C.  If the pressure differential indicator button is extended, check the integral oil filter for sludging or metal chunks, and drain and reservice the CSD system.
2.  Integral Oil Filter Element - Removal/Installation (Fig. 301)
A.  Remove integral oil filter element.
WARNING:  USE EXTREME CARE WHEN DRAINING CSD OIL OR REMOVING CSD COMPONENTS. HOT OIL CAN CAUSE INJURY.
PROLONGED CONTACT WITH CSD OIL CAN CAUSE DERMATITIS. OIL WILL STAIN CLOTHING AND CAN SOFTEN PAINT.
CAUTION:  TAKE ALL POSSIBLE PRECAUTIONS TO PREVENT FOREIGN MATTER FROM ENTERING DRIVE SYSTEM.
(1)  
Remove cap screws and washers from filter cap assembly. 301).

(2)  
Remove filter cap assembly and filter element and discard O-ring.

(3)  
Separate filter element assembly from cap assembly.

(4)
Discard filter element.

(5)
Clean filter cavity in CSD with lint-free cloth and oil.

NOTE:  O-ring may bind, but filter element is removed by twisting and pulling from filter cap assembly.
500 
May 20/82  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  24-11-41 Page 301 

B. Install integral oil filter element.
(1)  Install O-rings on filter element. Wet O-rings sparingly with CSD oil to facilitate assembly. 
(2)  Install O-ring in filter cap assembly. 
(3)  Plug filter element into filter cap. 
(4)  Insert filter element complete with O-rings and cap into filter cavity of CSD. 
(5)  Install cap screws with washers. Torque screws from 48 to 53 pound-inches. 
NOTE:  Do not attempt to draw filter element into cavity by tightening screws. Always be 
sure filter cap flange is contacting filter boss before installing and torqueing 
screws. 
(6)  Install safety wire. 
(7)  Fill CSD with oil (Ref 12-13-21). 
(8)  Push indicator button on filter cap to reset pressure differential indicator, if actuated 
(Fig. 301). 
(9)  Motor engine and check CSD at filter cap assembly for leaks. 

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 Nov 15/80 

H29082
500  Generator Drive Integral Oil Filter Installation 
May 15/73  Figure 301  24-11-41 
Page 303 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

GENERATOR DRIVE SIGHT GLASS -REMOVAL/INSTALLATION
1.  General
A.  The generator drive oil level sight glass is on the side of the drive housing.
CAUTION:  DURING MAINTENANCE ON CSD EXERCISE CLEANLINESS. TAKE PRECAUTIONS TO KEEP FOREIGN MATTER FROM ENTERING DRIVE SYSTEM OR DAMAGE MAY RESULT.
2.  Equipment and Materials
A.  Dow Corning No. 4 Silicone Grease or Mobilgrease 28 (Ref 20-30-21)
3.  Remove Sight Glass (Ref Fig. 401)
A.  Open engine cowl panel to gain access to sight glass (Ref 12-31-91).
B.  Drain oil to below bottom of sight glass.
WARNING:  REMOVAL OF THE SIGHT GLASS BEFORE LOWERING THE OIL LEVEL WILL RESULT IN LOSS OF OIL, AND IF HOT, CAN CAUSE PERSONAL INJURY.
(1)  
Remove tank drain plug and loosen gravity fill plug.

(2)  
Drain oil to bottom of sight glass.

C.  Remove screws from oil level indicator plate.
D.  Remove oil level indicator plate. Remove and discard gasket.
CAUTION:  TAKE CARE THAT SIGHT GLASS DOES NOT FALL FROM TRANSMISSION. IF GLASS IS BROKEN, INSURE THAT NO GLASS HAS ENTERED TRANSMISSION. ALL BROKEN GLASS MUST BE REMOVED.
E.  If necessary, pry sight glass loose with a nylon-pointed tool. Remove sight glass. Remove and discard gasket.
F.  Clean sight glass with soft brush and solvent.
4.  Install Sight Glass (Fig. 401)
A.  Apply thin coating of grease to both sides of gasket.
B.  Place gasket in recess in drive housing.
　
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