Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
All
Common Information
TASK 72-00-40-450-004 HP System Module Components - Install The Igniter Plug, Installation-014
General
This TASK gives the procedure to install the Igniter plug.
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha-variants refer to the IPC.
For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.
Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-039 ENGINE OIL engine oil, unless other lubricants are referred to in the procedure.
For the torque tightening procedures, refer to the SPM TASK 70-41-00-400-501 and SPM TASK 70-41-01-400-501.
After assembly apply CoMat 07-038 AIR DRYING ENAMEL to any damaged surface protection, joint flanges and attach parts. Use the correct color of the air drying enamel. Refer to the SPM TASK 70-38-21-380-501.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 07-038 AIR DRYING ENAMEL | K3504 | CoMat 07-038 | ||
| CoMat 10-039 ENGINE OIL | LOCAL | CoMat 10-039 |
Spares
NONESafety Requirements
NONEProcedure
Refer to: Figure
Make sure that the threads of the igniter plug Igniter Plug (74-21-41, 01-100) are clean.
NOTE
On installation of the igniter plug make sure that the plug goes through the outer liner of the combustion chamber.Install the igniter plug Igniter Plug (74-21-41, 01-100).
SUBTASK 72-00-40-450-054 Install the Igniter Plug (74-21-41, 01-100)
Refer to Figure.

CAUTION
IF YOU REPLACE PRE SBE 70-1004 IGNITION LEADS WITH POST SBE 70-1004 IGNITION LEADS OR VICE VERSA, VERIFY CONCURRENCY REQUIREMENTS IN SBE 70-1004.
CAUTION
DO NOT BEND THE ELECTRICAL CABLE CONDUIT TOO MUCH WHEN YOU CONNECT THE ELECTRICAL CONNECTOR. THE CONDUIT CAN BE DAMAGED AND CAN CAUSE ELECTRICAL CIRCUIT DEFECTS.Connect the ignition lead IGNITION-IGNITION LEADS (74-21-43, 01-100) to the igniter plug Igniter Plug (74-21-41, 01-100).
Torque the ignition lead IGNITION-IGNITION LEADS (74-21-43, 01-100) to between 140 and 160 lbfin (15.82 and 18.08 Nm).
SUBTASK 72-00-40-440-053 Connect the Ignition Lead (74-21-43, 01-100)
Refer to Figure.

CAUTION
IF YOU REPLACE PRE SBE 70-1005 COOLING SHROUDS WITH POST SBE 70-1005 COOLING SHROUDS OR VICE VERSA, VERIFY CONCURRENCY REQUIREMENTS IN SBE 70-1005.Install the cooling shrouds IGNITION-IGNITION LEADS (74-21-43,01-070) and IGNITION-IGNITION LEADS (74-21-43, 01-075) to the connection between the igniter plug and the ignition lead.
Install the clamps IGNITION-IGNITION LEADS (74-21-43, 01-055) and IGNITION-IGNITION LEADS (74-21-43, 01-060) to the cooling shrouds.
SUBTASK 72-00-40-440-054 Install the Cooling Shrouds (74-21-43,01-070) and (74-21-43,01-075)
Figure: Install the Igniter Plug
Install the Igniter Plug

