Installation of the Structural Guide Vane [PW11]

TASK 72-21-02-400-803-A
Installation of the Structural Guide Vane

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AND THE ADJACENT COMPONENTS AFTER ENGINE SHUTDOWN. THE ENGINE, THE ENGINE OIL AND THE ADJACENT COMPONENTS CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: REMOVE OR INSTALL ONLY THREE STRUCTURAL GUIDE VANES AT A TIME ON AN ASSEMBLED ENGINE. STRUCTURAL GUIDE VANES ARE NECESSARY FOR ENGINE STRUCTURE. IF YOU DO NOT OBEY THIS WARNING, INJURY CAN OCCUR.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

ZONE: 400

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	Torque wrench: range to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P06-054)	compound, paste, anti-seize

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 72-21-05-400-803-A	Installation of the Fan Exit Structural Guide Vane (SGV) Outer Liner Segment
TASK 72-21-08-400-801-A	Installation of the Fan Exit Liner Segments
TASK 72-21-12-400-801-A	Installation of the Inner Structural Guide Vane Liner Segment
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A	Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A	Closing of the Thrust Reverser Cowl-Doors
Structural Guide Vane

3. Job Set-up
Subtask 72-21-02-941-059-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 72-21-02-010-064-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.

Subtask 72-21-02-040-056-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser System for Ground Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 72-21-02-010-065-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.

4. Procedure
Subtask 72-21-02-420-052-A ** ON A/C NOT FOR ALL

A. Installation of the Structural Guide Vane
(1) Removal of the protection covers:

CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.

(a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine.
(2)

Structural Guide Vane ** ON A/C NOT FOR ALL

(a)

Structural Guide Vane ** ON A/C NOT FOR ALL

NOTE: There are five different types of structural guide vanes.

(b)

Structural Guide Vane ** ON A/C NOT FOR ALL

(c) Apply P06-054compound, paste, anti-seize to the threads of the two bolts (6) and (9).
(d) Install the structural guide vane (1) with two bolts (6), two bolts (9), four washers (10) and four nuts (11) handtight.
(e) Align the rear inner mounting flange of the structural guide vane (1) axially.
(f) Install the two screws (23).
(g) Install the two bolts (7) and two washers (8) on the fan intermediate case.
(h) TORQUE the two screws (23) to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

.
(i) TORQUE the two bolts (7) to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

.
(j)

Structural Guide Vane ** ON A/C NOT FOR ALL

1 If the initial structural guide vane and shims are installed again, you can waive the shim calculation and can use the same shims as before the structural guide vane removal.
(k) Select the specific shims to fill the gaps. See the Table 1 and the Table 2.

GAP BETWEEN SGV AND FAN CASE	SELECTION OF THE SHIM
-0.0025 in. (-0.0635 mm)	0.0025 in. (0.0635 mm)	no shim
0.0025 in. (0.0635 mm)	0.0075 in. (0.1905 mm)	5374044CL1
0.0075 in. (0.1905 mm)	0.0125 in. (0.3175 mm)	5374044CL2
0.0125 in. (0.3175 mm)	0.0175 in. (0.4445 mm)	5374044CL3
0.0175 in. (0.4445 mm)	0.0225 in. (0.5715 mm)	5374044CL4
0.0225 in. (0.5715 mm)	0.0275 in. (0.6985 mm)	5374044CL5
0.0275 in. (0.6985 mm)	0.0325 in. (0.8255 mm)	5374044CL6
0.0325 in. (0.8255 mm)	0.0375 in. (0.9525 mm)	5374044CL7
0.0375 in. (0.9525 mm)	0.0425 in. (1.0795 mm)	5374044CL8
0.0425 in. (1.0795 mm)	0.0475 in. (1.2065 mm)	5374044CL8 and 5374044CL1,
		5374044CL7 and 5374044CL2,
		5374044CL6 and 5374044CL3,
		5374044CL5 and 5374044CL4
0.0475 in. (1.2065 mm)	0.0525 in. (1.3335 mm)	5374044CL8 and 5374044CL2,
		5374044CL7 and 5374044CL3,
		5374044CL6 and 5374044CL4,
		5374044CL5 and 5374044CL5
0.0525 in. (1.3335 mm)	0.0575 in. (1.4605 mm)	5374044CL8 and 5374044CL3,
		5374044CL7 and 5374044CL4,
		5374044CL6 and 5374044CL5
0.0575 in. (1.4605 mm)	0.0625 in. (1.5875 mm)	5374044CL8 and 5374044CL4,
		5374044CL7 and 5374044CL5,
		5374044CL6 and 5374044CL6
0.0625 in. (1.5875 mm)	0.0675 in. (1.7145 mm)	5374044CL8 and 5374044CL5,
		5374044CL7 and 5374044CL6
0.0675 in. (1.7145 mm)	0.0725 in. (1.8415 mm)	5374044CL8 and 5374044CL6,
		5374044CL7 and 5374044CL7
0.0725 in. (1.8415 mm)	0.0775 in. (1.9685 mm)	5374044CL8 and 5374044CL7
0.0775 in. (1.9685 mm)	0.0825 in. (2.0955 mm)	5374044CL8 and 5374044CL8

Table - Shim Identification (Front)

GAP BETWEEN SGV AND FAN CASE	SELECTION OF THE SHIM
-0.0025 in. (-0.0635 mm)	0.0025 in. (0.0635 mm)	no shim
0.0025 in. (0.0635 mm)	0.0075 in. (0.1905 mm)	5372108CL1
0.0075 in. (0.1905 mm)	0.0125 in. (0.3175 mm)	5372108CL2
0.0125 in. (0.3175 mm)	0.0175 in. (0.4445 mm)	5372108CL3
0.0175 in. (0.4445 mm)	0.0225 in. (0.5715 mm)	5372108CL4
0.0225 in. (0.5715 mm)	0.0275 in. (0.6985 mm)	5372108CL5
0.0275 in. (0.6985 mm)	0.0325 in. (0.8255 mm)	5372108CL6
0.0325 in. (0.8255 mm)	0.0375 in. (0.9525 mm)	5372108CL7
0.0375 in. (0.9525 mm)	0.0425 in. (1.0795 mm)	5372108CL8
0.0425 in. (1.0795 mm)	0.0475 in. (1.2065 mm)	5372108CL8 and 5372108CL1,
		5372108CL7 and 5372108CL2,
		5372108CL6 and 5372108CL3,
		5372108CL5 and 5372108CL4
0.0475 in. (1.2065 mm)	0.0525 in. (1.3335 mm)	5372108CL8 and 5372108CL2,
		5372108CL7 and 5372108CL3,
		5372108CL6 and 5372108CL4,
		5372108CL5 and 5372108CL5
0.0525 in. (1.3335 mm)	0.0575 in. (1.4605 mm)	5372108CL8 and 5372108CL3,
		5372108CL7 and 5372108CL4,
		5372108CL6 and 5372108CL5
0.0575 in. (1.4605 mm)	0.0625 in. (1.5875 mm)	5372108CL8 and 5372108CL4,
		5372108CL7 and 5372108CL5,
		5372108CL6 and 5372108CL6
0.0625 in. (1.5875 mm)	0.0675 in. (1.7145 mm)	5372108CL8 and 5372108CL5,
		5372108CL7 and 5372108CL6
0.0675 in. (1.7145 mm)	0.0725 in. (1.8415 mm)	5372108CL8 and 5372108CL6,
		5372108CL7 and 5372108CL7
0.0725 in. (1.8415 mm)	0.0775 in. (1.9685 mm)	5372108CL8 and 5372108CL7
0.0775 in. (1.9685 mm)	0.0825 in. (2.0955 mm)	5372108CL8 and 5372108CL8

Table - Shim Identification (Rear)

(l) Installation of the shims:

CAUTION: BE CAREFUL NOT TO LET SHIMS FALL ONTO THE ENGINE. IF YOU DO NOT OBEY THIS INSTRUCTION, FOD DAMAGE TO THE ENGINE CAN OCCUR.

Structural Guide Vane ** ON A/C NOT FOR ALL

NOTE: A maximum of three shims are permitted.

2 Remove the two bolts (6), two bolts (9), four nuts (11) and four washers (10) from the structural guide vane (1).
3 Install the shims that are selected at Step 4.A.(2)(j) above.
a If the initial shims are available, insert the initial shims.
4 Apply P06-054compound, paste, anti-seize to the threads of the two bolts (6) and two bolts (9).
a Install the two bolts (6), two bolts (9), four washers (10) and four nuts (11) again.
5 Torque the nuts (11) as follows:

CAUTION: MAKE SURE THAT YOU OBEY THE TORQUE SEQUENCE GIVEN. IF YOU DO NOT OBEY THIS SEQUENCE, INCORRECT INSTALLATION CAN OCCUR.

a TORQUE the two nuts (11) installed to the front shim bolts (9) to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

.
b TORQUE the two nuts (11) installed to the rear shim bolts (6) to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

.
c Do not loosen the nuts before you apply the torque to the nuts again.
d TORQUE all of the nuts (11) again to between 134 and 126 lbf.in (1.51 and 1.42 m.daN )

.
(3) If necessary, do Para 4.A.(2)(a) through Para 4.A.(2)(l)5_d_ again for the remaining 47 structural guide vanes (1).
(4) Install the outer liner segments required to gain access to the structural guide vane (1) (Ref. AMM TASK 72-21-05-400-803).
(5) Install the inner liner segments required to gain access to the structural guide vane (1) (Ref. AMM TASK 72-21-12-400-801).
(6) Install the fan exit liner segment required to gain access to the structural guide vane (1) (Ref. AMM TASK 72-21-08-400-801).
(7) Examine the assembly for foreign objects, damage and correct assembly.

5. Close-up
Subtask 72-21-02-410-059-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.

Subtask 72-21-02-440-054-A ** ON A/C NOT FOR ALL

B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 72-21-02-410-060-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 13:02:37 UTC