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 12-13-21
 ú CONFIG ú 01 Page 311 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A60372
A 737-300/400/500MAINTENANCE MANUAL

REMOVE SEAL FITTING CAP
(REMOVE ONLY WHEN DRAINING
WHEN FILLING CAVITY
WET SPLINE CAVITY)
Servicing of the CSD Spline Cavity - Component Location
Figure 302 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú

 12-13-21
 ú CONFIG ú 01 Page 312 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G55002
 C.
D.
E.
F.
G.
A 737-300/400/500MAINTENANCE MANUAL
 (3)  
Spline Cavity Adapter - MS27404-3D, Aeroquip Corporation, Aerospace

 Division, 300 S. East Avenue, Jackson, MI 49203-1972.Standard Tools and Equipment

 (1)
Bucket - to hold up to 2 gallons of used oilConsumable Materials

 (1)  
D00068 Oil - MIL-L-23699, MIL-L-7808, or any oil that agrees with the specifications of CFM56-3 SB79-001.

 NOTE: Refer to the marker on the CSD to find the oil that is in the
____
 spline cavity.

Reference
 (1)
AMM 71-11-02/201, Fan CowlsAccess

 (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

Add Oil to the Spline Cavity
 S 493-053-001
 (1)  
Set the bucket below the accessory gearbox to catch the oil (if you did not do this before).

 S 033-054-001

 (2)  
Remove the cap from the drain fitting for the spline cavity on the accessory gearbox (if you did not do this before).

 NOTE: Use a second wrench to maintain the drain fitting during the
____
 removal of the cap.

 S 033-055-001
 (3)  
Remove the cap from the pressure-fill valve for the spline cavity on the CSD.

 S 493-056-001

 (4)  
Connect the coupling to the pressure-fill valve for the spline cavity.

 (5)  
Set the pressure from the service cart to 25-40 psig.

 S 613-058-001

 (6)  
Fill the spline cavity until the oil starts to drain from the drain fitting on the accessory gearbox.

 S 823-057-001
 (a)  Let the oil drain until it stops.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. CONSTANT SPEED DRIVES ú

 12-13-21
 ú CONFIG ú 02 Page 313 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 093-059-001
 (7)  Disconnect the coupling from the pressure-fill valve for the spline
 cavity.
 S 433-060-001
 (8)  Install the cap on the pressure-fill valve for the spline cavity on
 the CSD.
 (a)  Tighten the cap to a torque of 30-50 pound-inches.
 (b)  Install a lockwire on the cap.
 S 433-061-001
 (9)  Install the cap on the drain fitting for the spline cavity on the
 accessory gearbox.
 NOTE:____ Use a second wrench to maintain the drain fitting during the
 installation of the cap.
 (a)  Tighten the cap to a torque of 270-301 pound-inches.
 (b)  Install a lockwire.
 S 093-062-001

 (10) Remove the bucket.
 (a) Discard the oil from the bucket.
 S 163-063-001 CAUTION: IMMEDIATELY REMOVE ALL OF THE OIL THAT FALLS ON THE ENGINE.
_______ THE OIL CAN CAUSE DAMAGE TO THE PAINT AND THE RUBBER COMPONENTS ON THE ENGINE.
 (11)
 Clean the engine parts that have oil on them. S 413-064-001

 (12)
　
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