(5)
Close the right and left fan cowl panel (AMM 71-11-02/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. TYPE 3 AND TYPE 4 IGNITION LEAD ú
74-21-01
ú ú C01 Page 811 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SPARK IGNITER - REMOVAL/INSTALLATION
____________________________________
1. General
_______
A. This procedure gives the removal and installation procedure for the Type 3 and Type 4 spark igniters.
(1)
There are 2 spark igniters (Fig. 401) in the bosses at the 4 and 8 o'clock position on the combustion case.
(2)
The Type 3 spark igniter goes directly into the boss on the combustion case.
(3)
The Type 4 spark igniters screw into an igniter bushing on the combustion case.
(4)
The tip of the spark igniter extends through the ferrules in the outer lining into the combustion chamber.
(5)
Each spark igniter is connected by a lead to an ignition exciter.
TASK 74-21-02-004-001-C00
2. Remove the Spark Igniter
________________________
A. Equipment
(1) Tool, Removal-Ignition Lead Nut - Tool No. 856A2007P01. CFM International, P.O. Box 15514 Cincinnati, OH 45215.
B. Consumable Materials
(1)
Graphite Grease - CP 2101 (AMM 70-10-01/201).
(2)
Penetrating Oil - CP 2162 (AMM 70-10-01/201).
C. References
(1)
AMM 70-10-01/201, Consumable Materials
(2)
AMM 71-11-02/201, Fan Cowl Panels
(3)
AMM 74-00-00/501, Ignition
(4)
AMM 78-31-00/201, Thrust Reverser System
D. Access
(1) Location Zones 503 Engine No. 1 - Forward Side of the Accessory Gearbox at the 9 o'clock position 504 Engine No. 1 - Forward Side of the Accessory Gearbox at the 9 o'clock position 505 Engine No. 1 - Forward Side of the Accessory Gearbox at the 9 o'clock position 502 Engine No. 1 - Forward Side of the Accessory Gearbox at the 9 o'clock position 603 Engine No. 2 - Forward Side of the Accessory Gearbox at the 9 o'clock position 604 Engine No. 2 - Forward Side of the Accessory Gearbox at the 9 o'clock position 605 Engine No. 2 - Forward Side of the Accessory Gearbox at the 9 o'clock position
602 Engine No. 2 - Forward Side of the Accessory Gearbox at the 9 o'clock position
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
74-21-02
ALL ú ú C01 Page 401 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEEA C
SPARK IGNITER
CASE COMBUSTION LEAD CONNECTOR) (INSIDE IGNITION
SEE B
IGNITION LEAD
THREADED CONNECTOR
FWD A
NON-REMOVABLE GASKET SHELL
TIP
TIP ELECTRODE IGNITER PLUG CONNECTOR PIN B GMM-1077427-03-B GASKET NON-REMOVABLE
TYPE 3 G-M56-MM-0195(1)-01-B
Removal and Installation of the Spark Igniter
Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
74-21-02
ALL ú ú C01 Page 402 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
COOLING AIR SHROUD
SEE D
COMBUSTION CASE SHROUD CLAMP
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