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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEEA
SEEB C
FAN INLET FRAME COWL
GENERATOR COOLING AIR DUCT OIL TANK
A

Generator Cooling Air Duct Location
Figure 1 (Sheet 1)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
STARTER 
COWL INLET 
GENERATOR 
GEARBOX ACCESSORY 
DUCT COOLING AIR GENERATOR  EXHAUST DUCT COOLING AIR GENERATOR  DRIVE SPEED CONSTANT
Figure 1 (Sheet 2) Generator Cooling Air Duct Location B 

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
STARTER 
INLET 
COWL 
VARIABLE SPEED 
CONSTANT FREQUENCY 
GENERATOR/CONVERTER 

ACCESSORY GEARBOX
GENERATOR 
COOLING AIR 
DUCT 
GENERATOR 
COOLING AIR 
EXHAUST DUCT 
C 
Generator Cooling Air Duct Location 
Figure 1 (Sheet 3)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE  B 
SEE  A 
FAN FRAME 
MID SHROUD  3 O'CLOCK 
STRUT SUPPORT 
BRACKET 
A 
IGNITION 
LEADS 
IGNITION LEADS 
COOLING AIR TUBE  HIGH STAGE  A 
REGULATOR  ____NOTE:  EXTENSION RING AND 
PNEUMATIC LINES  3 O'CLOCK STRUT FAIRING 
FWD  NOT SHOWN FOR CLARITY. 
A  IGNITION LEAD  3 O'CLOCK STRUT 
BRAIDED CONDUIT  SUPPORT BRACKET 
COOLING  IGNITION 
AIR  LEADS 
INLET 

A-A
Ignition Leads Cooling Air Tube LocationFigure 2 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TYPE 3 IGNITION
COOLING  LEAD

IGNITER
CONTACT

ENGINES WITH TYPE 3 IGNITION LEAD CONNECTORS

ENGINES WITH TYPE 4 IGNITION LEAD CONNECTORS

Ignition Leads Cooling Air Tube Location
Figure 2 (Sheet 2)

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