D. References
 (1)  
AMM 12-13-11/301, Engine Oil

 (2)  
AMM 71-00-00/501, Power Plant

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

 (4)  
AMM 79-21-05/201, Magnetic Chip Detector

 E. Access
 (1)  
Location Zones 506 Engine No. 1 - on Accessory Gearbox at the 6 o'clock position

 606  Engine No. 2 - on Accessory Gearbox at the 6 o'clock position

 (2)  
Access Panels
 5746L Left Fan Cowl Panel - Engine No. 1
 5846R Left Fan Cowl Panel - Engine No. 2

 F. Procedure (Fig. 801)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 79-21-01
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 868-018-C00
 WARNING: DO NOT TOUCH THE COMPONENTS OF THE OIL SYSTEM IF THE ENGINE IS
_______ HOT. THESE COMPONENTS STAY HOTTER THAN OTHER COMPONENTS. HOT COMPONENTS CAN BURN YOU.
 WARNING: DO NOT OPEN THE OIL SYSTEM UNTIL THE PRESSURE GOES TO ZERO.
_______ THE PRESSURE GOES TO ZERO APPROXIMATELY 5 MINUTES AFTER AN ENGINE SHUTDOWN. A PRESSURIZED ENGINE CAN RELEASE A SPRAY OF HOT OIL THAT CAN BURN YOU.
 WARNING:_______DO NOT LET HOT OIL GET ON YOU. PUT ON GOGGLES AND OTHER EQUIPMENT FOR PROTECTION OR LET THE ENGINE BECOME COOL. HOT OIL CAN BURN YOU.
 WARNING:_______DO NOT LET ENGINE OIL STAY ON YOUR SKIN. USE ENGINE OIL IN AREA WITH GOOD VENTILATION. ENGINE OIL IS POISONOUS AND CAN BE ABSORBED THROUGH YOUR SKIN. ENGINE OIL FUMES CAN IRRITATE YOUR RESPIRATORY TRACT.
 CAUTION: DO NOT LET ALKALINE CLEANING FLUID GET INTO THE ENGINE OIL.
_______ VERY SMALL QUANTITIES OF THIS FLUID CAN CHANGE THE ENGINE OIL. DAMAGE TO EQUIPMENT CAN OCCUR.
 CAUTION: DO NOT LET HOT OIL GET ON THE ENGINE OR OTHER COMPONENTS.
_______ IMMEDIATELY CLEAN THE COMPONENT IF OIL FALLS ON IT. OIL CAN CAUSE DAMAGE TO PAINT AND RUBBER.
 (1)  
Obey the above Warnings and Cautions through all this procedure.

 S 018-002-C00

 (2)  
Open the left fan cowl panel (AMM 71-11-02/201).

 S 038-003-C00

 (3)  
Remove the magnetic chip detector (AMM 79-21-05/201) assembly from the lubrication unit.

 (4)  
Lightly apply a layer of engine oil or petrolatum on a new o-ring.

 S 428-005-C00

 (5)  
Put the sliding handle of the installation tool in the down position.

 S 428-006-C00

 (6)  
Put the new o-ring around the top end of the tool, so that it touches the stops (Fig. 801).

 S 648-004-C00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SPRING 
SPRING 
INNER SEALING 
SPOOL  CENTERING 
PIN 
OUTER SEALING 
SPOOL 
O-RING 
O-RING 
STOP 
SEE  A 
SLEEVE 
HANDLE 
LUBRICATION  STOP 
UNIT 
SLIDING HANDLE 
(UP POSITION) 
HANDLE 
SLIDING HANDLE 
(DOWN POSITION) 
FORWARD 
SUMP  TGB/AGB 
SCAVENGE  SCAVENGE 
AFT SUMP SCAVENGE  A 
FWD  O-RING INSTALLATION 
TOOL 
LUBRICATION  A
UNIT  MAGNETIC 
PLUG HANDLE 
A-A 
A 
Lubrication Unit-Approved Repairs 
Figure 801 

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