Repair of the Fan Exit vane Assembly - VRS1817 [IAE]

TASK 72-32-88-300-011-A
Repair of the Fan Exit vane Assembly - VRS1817

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	ABRASIVE WHEEL
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	FILE - FINE
No specific	AR	MACHINE - GRINDING, PORTABLE
No specific	AR	MAT - WORK
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V05-020)	waterproof silicon carbide
(Material No.V05-021)	Waterproof silicon carbide abrasive paper
(Material No.V07-028)	conversion coating

C. Referenced Information

REFERENCE	DESIGNATION
SPM 702305
SPM 703802
Fan Exit Vane Assembly

3. Job Set-up
Subtask 72-32-88-941-063-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 72-32-88-480-051-A ** ON A/C NOT FOR ALL

B. Put the ground support equipment in to position.
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in to position to give access to the engine.
(2) Put the MAT - WORK in to position in the air intake cowl.

4. Procedure
Subtask 72-32-88-350-052-A ** ON A/C NOT FOR ALL

A. Repair of the Fan Exit Vane Assembly

Fan Exit Vane Assembly ** ON A/C NOT FOR ALL

NOTE: This repair is not applied to the outer platform of Fan Exit Assembly B (Post SBE 70-0377).

NOTE: Assembly B has a black outer platform made of plastic.

(1) Remove nicks, scratches and/or damage from the vane with the FILE - FINE or the MACHINE - GRINDING, PORTABLE and the ABRASIVE WHEEL. Make sure all the damage is removed.
(2) Use the waterproof silicon carbide (Material No.V05-020) and Waterproof silicon carbide abrasive paper (Material No.V05-021) , to make smooth and polish out the scores on the vane. Polish marks must be in a radial direction (from the ID to the OD of the vane). The surface finish of the repair must be the same as the adjacent area.
(3) Use the waterproof silicon carbide (Material No.V05-020) and Waterproof silicon carbide abrasive paper (Material No.V05-021) , to polish the vane leading and/or trailing edge radius and the vane profile. Make a smooth shape. Remove the minimum amount of material necessary to give the radius.

Subtask 72-32-88-220-052-A ** ON A/C NOT FOR ALL

B. Do a detailed and dimensional inspection of the outlet guide vanes.

Subtask 72-32-88-230-052-A ** ON A/C NOT FOR ALL

C. Do a penetrant crack test of the repaired area SPM 702305.

Subtask 72-32-88-916-052-A ** ON A/C NOT FOR ALL

D. Touch up the repaired area with the conversion coating (Material No.V07-028) SPM 703802.

5. Close-up
Subtask 72-32-88-080-051-A ** ON A/C NOT FOR ALL

A. Remove the ground support equipment.
(1) Remove the workmat from the air intake cowl.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:45:58 UTC