Removal of the Inlet Guide Vane (IGV) and Stage 3 Vane Lever Arms or Bushings [CFMB]
TASK 72-32-00-000-003-A
Removal of the Inlet Guide Vane (IGV) and Stage 3 Vane Lever Arms or Bushings
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 72-32-00-941-054-A ** ON A/C NOT FOR ALL
Subtask 72-32-00-020-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:42:23 UTC
Removal of the Inlet Guide Vane (IGV) and Stage 3 Vane Lever Arms or Bushings
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| 856A1012 | 1 | LEVER,COUNTERTORQUE-CPRSR STATOR VANE ACTUATION ARM |
| 856A1051 | 1 | PULLER,ARM-COMPRESSOR STATOR ACTUATION |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-B | Opening of the Thrust Reverser Doors |
Subtask 72-32-00-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 72-32-00-010-060-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Get Access
(1) Open the fan cowls doors: (Ref. AMM TASK 71-13-00-010-040)
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 1M(3 FT) in position.
Subtask 72-32-00-040-056-A ** ON A/C NOT FOR ALL Subtask 72-32-00-010-061-A ** ON A/C NOT FOR ALL (1) Open the fan cowls doors: (Ref. AMM TASK 71-13-00-010-040)
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 1M(3 FT) in position.
D. Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-040):
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 72-32-00-020-052-A ** ON A/C NOT FOR ALL
A. Remove the IGV and stage 3 lever arms and bushings.
(1) Hold the lever arm with 856A1012 LEVER,COUNTERTORQUE-CPRSR STATOR VANE ACTUATION ARM (856A1012G01), while you loosen the vane stem nut. Do not let the vane turn.
(2) Remove the nut and washer from the vane.
(3) Remove the lever arm from the vane with 856A1051 PULLER,ARM-COMPRESSOR STATOR ACTUATION (856A1051G01).
(4) Remove the bushing from the stator case.
(1) Hold the lever arm with 856A1012 LEVER,COUNTERTORQUE-CPRSR STATOR VANE ACTUATION ARM (856A1012G01), while you loosen the vane stem nut. Do not let the vane turn.
(2) Remove the nut and washer from the vane.
(3) Remove the lever arm from the vane with 856A1051 PULLER,ARM-COMPRESSOR STATOR ACTUATION (856A1051G01).
(4) Remove the bushing from the stator case.
Replacement of Lever Arm and/or Vane Bushing