(b)  
Permit five minutes for the oil level to become stable.

 (c)  
Look at the oil level in the sight glass on the VSCF. 1) If the oil level is below the bottom of the applicable range, add oil to the VSCF.

 2)  If the oil level is above the top of the applicable range, drain some of the oil from the VSCF (Ref "Drain the Oil From the VSCF" task).
 S 433-049-003
 (6)  Install the cap on the case pressure-fill valve.
 S 163-051-003
 CAUTION: IMMEDIATELY REMOVE ALL OF THE OIL THAT FALLS ON THE ENGINE
_______ PARTS. OIL CAN CAUSE DAMAGE TO THE PAINT AND SOME RUBBER PARTS.
 (7)  
Clean the engine parts that have oil on them.

 S 413-052-003

 (8)  
Close the left fan cowl on the applicable engine (Ref 71-11-02/201).

 TASK 12-13-21-683-060-003
 5.  Drain the Oil from the Spline Cavity (Fig 301)____________________________________
 A.  Standard Tools and Equipment
 (1)  Bucket - to hold 2 gallons of used oil
 B.  References
 (1)  71-11-02/201, Fan Cowl Panels
 C.  Access
 (1)  
Location Zones
 506 Engine 1 - Accessory Gearbox, 8 o'clock
 606 Engine 2 - Accessory Gearbox, 8 o'clock

 (2)  
Access Panels
 5746L Left Fan Cowl - Engine 1
 5737L Left Fan Cowl - Engine 2

 D.  Drain the Oil from the Spline Cavity.
 S 013-061-003
 (1)  Open the left fan cowl on the applicable engine if it is not open (Ref 71-11-02/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú

 12-13-21
 FREQUENCY GENERATOR/CONVERTERS  ú CONFIG 3 ú 02 Page 308 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 493-062-003
 (2)  Set the bucket below the accessory gearbox to catch the used oil. S 033-063-003
 WARNING:_______ DO NOT TOUCH THE OIL SYSTEM PARTS WHEN THEY ARE HOT.  THESE
 PARTS STAY HOTTER THAN THE OTHER ENGINE PARTS AFTER AN ENGINE
 SHUTDOWN.  OIL SYSTEM PARTS THAT ARE HOT CAN BURN YOU.
 DO NOT LET THE OIL TOUCH YOUR SKIN FOR A LONG TIME.  YOU CAN
 ABSORB POISONOUS MATERIALS FROM THE OIL THROUGH YOUR SKIN.  OIL

 ON YOUR SKIN CAN CAUSE DERMATITIS AFTER A LONG TIME.
 (3)  
Remove the drain fitting for the spline cavity from the accessory gearbox.

 S 683-064-003

 (4)  
Let the oil drain from the spline cavity.

 S 093-065-003

 (5)  
Remove the bucket.

 (a)  Discard the used oil from the bucket.
 S 433-066-003
 (6)  Install the drain fitting for the spline cavity into the accessory gearbox:
 (a)  
Replace the O-ring that is on the drain fitting.

 (b)  
Install the drain fitting for the spline cavity into the accessory gearbox.

 (c)  
Tighten it to 180-220 pound inches.

 (d)  
Install a lockwire.

 S 163-067-003
 CAUTION: IMMEDIATELY REMOVE ALL OF THE OIL THAT FALLS ON THE ENGINE
_______ PARTS. OIL CAN CAUSE DAMAGE TO THE PAINT AND SOME RUBBER PARTS.
 (7)  
Clean the engine parts that have oil on them.

 S 613-068-003

 (8)  
Add oil to the spline cavity before you operate the engine again (Ref "Fill the Spline Cavity with Oil" task).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú

 12-13-21
 FREQUENCY GENERATOR/CONVERTERS  ú  CONFIG  3
 ú  02  Page 309
 ú  Mar 12/01 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 12-13-21-613-069-003
 6. Fill the Spline Cavity with Oil (Fig. 301)
　
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