Installation of the Igniter Plug Bushing [CFML]
TASK 74-21-10-400-804-A
Installation of the Igniter Plug Bushing
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 74-21-10-860-052-A
Subtask 74-21-10-020-066-A
[Rev.10 from 2021]
2026.04.01 13:08:08 UTC
Installation of the Igniter Plug Bushing
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
MAKE SURE THAT YOUR HANDS AND TOOLS ARE CLEAN. DO NOT TOUCH THE IGNITION LEAD OR THE SPARK IGNITER WITH DIRTY OR GREASY HANDS AND TOOLS, DIRT AND GREASE WILL CAUSE DAMAGE TO THE IGNITION LEAD AND THE SPARK IGNITER.
ZONE: 400
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | Torque wrench: range to between 448 and 382 lbf.in (5.06 and 4.32 m.daN ) ![]() |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2442) | engine oil |
| (Material No.CP8001) | lockwire 0.032 in. (0.8 mm) dia. |
| (Material No.CP8002) | lockwire 0.032 in. (0.8 mm) dia |
| (Material No.CP8006) | safety cable 0.032 in. (0.8 mm) dia. |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 10 | GASKETS | EIPC 74-21-10-01-050 |
| REFERENCE | DESIGNATION |
|---|---|
Subtask 74-21-10-860-052-A
A. Not applicable.
4. ProcedureSubtask 74-21-10-020-066-A
A. General
(1) Remove all cover protections and cap protections from the openings, tubes, hoses and connectors.
Subtask 74-21-10-400-050-A (1) Remove all cover protections and cap protections from the openings, tubes, hoses and connectors.
B. Installation of the Igniter Plug Bushing
(a) Apply a layer of engine oil (Material No.CP2442) to the threads of the adapter (6) and the igniter plug bushing (5).
(b) Install the igniter plug bushing (5) with the same number of the EIPC 74-21-10-01-050 GASKETS (10) that were originally installed on the adapter (6).
1 Tighten the bushings (5) but do not torque.
(c) TORQUE the bushings (5) to between 448 and 382 lbf.in (5.06 and 4.32 m.daN )
.
(d) TORQUE the bushings (5) again to between 448 and 382 lbf.in (5.06 and 4.32 m.daN )
.
(e) Attach the igniter plug bushing (5) to the bolts:
CP8006 safety cable 0.032 in. (0.8 mm) dia. , CP8001 lockwire 0.032 in. (0.8 mm) dia. or CP8002 lockwire 0.032 in. (0.8 mm) dia .
CAUTION:
DO NOT TWIST OR BEND THE IGNITION LEADS. IF YOU DO, DAMAGE TO THE LEADS CAN OCCUR.
CAUTION:
DO NOT PUT OIL ON THE IGNITER-TO-IGNITION LEAD B-NUT THREADS. DAMAGE TO THE IGNITION LEAD OR IGNITER CAN OCCUR.
(1) Install the igniter bushing as follows: (a) Apply a layer of engine oil (Material No.CP2442) to the threads of the adapter (6) and the igniter plug bushing (5).
(b) Install the igniter plug bushing (5) with the same number of the EIPC 74-21-10-01-050 GASKETS (10) that were originally installed on the adapter (6).
1 Tighten the bushings (5) but do not torque.
(c) TORQUE the bushings (5) to between 448 and 382 lbf.in (5.06 and 4.32 m.daN )
. (d) TORQUE the bushings (5) again to between 448 and 382 lbf.in (5.06 and 4.32 m.daN )
. (e) Attach the igniter plug bushing (5) to the bolts:
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
1 Attach each igniter plug bushing (5) to the bolts with
Install the Adapter