DMC:V2500-A0-72-31-1202-00A-240A-C|Issue No:002|Issue Date:2020-11-01

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 72-31-12-300-003 Fan Blade Rear Retaining Ring - Replace The Dry Film Lubricant, Repair-003 (VRS1151)

Effectivity

FIG/ITEM	PART NO.
01-100	5A0211
01-100	5A0897

Material of component

	RR
DESCRIPTION	SYMBOL	MATERIAL
Rear blade retaining ring	-	Titanium alloy

General

The practices and processes referred to in the procedure by the TASK number are in the SPM.

Price and availability - not applicable

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

Name	Manufacturer	Part Number / Identification	Quantity	Remark
Abrasive Blast Equipment	LOCAL	Abrasive Blast Equipment
Oven	LOCAL	Oven

Consumables, Materials and Expendables

Name	Manufacturer	Part Number / Identification
CoMat 01-124 ISOPROPYL ALCOHOL	LOCAL	CoMat 01-124
CoMat 02-001 ADHESIVE TAPE (MASKING)	LOCAL	CoMat 02-001
CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER	LOCAL	CoMat 02-002
CoMat 02-005 ADHESIVE TAPE (MASKING)	LOCAL	CoMat 02-005
CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING	76381	CoMat 02-019
CoMat 05-004 ABRASIVE MEDIUM, ALUMINUM OXIDE, 140/400 GRADE	X222X	CoMat 05-004
CoMat 07-009 THINNER	K3504	CoMat 07-009
CoMat 10-004 DRY FILM LUBRICANT	LOCAL	CoMat 10-004

Spares

NONE

Safety Requirements

NONE

Procedure

1. 1. Refer to TASK 72-31-12-100-001 (CLEANING-000) for the applicable cleaning TASK.
1. Refer to Figure.
2. 1. Apply the masking tape to the areas which are not to be given a layer of dry film lubricant.
  2. Use CoMat 02-001 ADHESIVE TAPE (MASKING) or CoMat 02-005 ADHESIVE TAPE (MASKING).
  3. Refer to the SPM TASK 70-38-03-380-501.
3. 1. Use abrasive blast equipment.
  2. Use CoMat 05-004 ABRASIVE MEDIUM, ALUMINUM OXIDE, 140/400 GRADE.
  3. Refer to the SPM TASK 70-12-01-120-501.
4. Remove the masking tape.
5. 1. Refer to the SPM TASK 70-38-03-380-501.
6. 1. Use a clean cloth which is moist with degreasing fluid and clean the coating area.
  2. Use CoMat 01-124 ISOPROPYL ALCOHOL.
1. Refer to: Figure
2. 1. Apply the masking tape to the areas which are not to be given a layer of dry film lubricant.
  2. Use CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING or CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER.
  3. Refer to the SPM TASK 70-38-03-380-501.
3. 1. Apply the dry film lubricant to the inside of holes (BD) and surface (BE).
  2. The thickness of the dry film lubricant is to be 0.00012 to 0.00059in. (0.003 to 0.015 mm).
  3. Use CoMat 10-004 DRY FILM LUBRICANT and CoMat 07-009 THINNER.
  4. Refer to the SPM TASK 70-38-03-380-501.
4. Remove the masking tape.
5. 1. Stove for two hours between 365 to 383 deg F (185 to 195 deg C).
  2. Use an applicable oven.
6. 1. Refer to the SPM TASK 70-38-03-380-501.

Apply dry film lubricant to the rear blade retaining ring

Requirements After Job Completion

Follow-On Conditions

NONE

Change Type:

Editorial update to correct reference link (CAS-85145-Q4L7S6)

Manufacturer Code:	76381
Enterprise Name:	3M COMPANY
BU Name:	3M COMPANY
Department:	3M CENTER
City:	ST PAUL
State:	MN
Zip Code:	55144-1000
Country:	USA
Phone Number:	1-651-733-1110
Fax Number:	1-651-733-9973
Internet:	www.mmm.com

Manufacturer Code:	K3504
Enterprise Name:	INDESTRUCTIBLE PAINT CO LTD
BU Name:	NULL
Street:	25 PENTOS DRIVE
City:	SPARKHILL
Province:	BIRMINGHAM
Zip Code:	B11 3TA
Country:	GREAT BRITAIN
Phone Number:	44-121-7022485
Fax Number:	44-121-7784338
Email:	sales@indestructible.co.uk
Internet:	www.indestructible.co.uk

Manufacturer Code:	LOCAL
Enterprise Name:	LOCALLY SUPPLIED

Manufacturer Code:	X222X
Enterprise Name:	N/A – REFER TO APPLICABLE COMAT SUFFIX

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-124

Type:

sp01

Supply Name:

CoMat 01-124 ISOPROPYL ALCOHOL

Specification Groups:

Doc Number	Type
OMAT:1/40	GPR TECHNICAL GRADE
PMC 9094	GPR TECHNICAL GRADE
JCR-011	GPR TECHNICAL GRADE

Suppliers:

Manufacturer	Remarks
LOCAL
U1185
24853
K6835

Manufacturer Code:

LOCAL

Supply Number:

CoMat 02-001

Type:

sp01

Supply Name:

CoMat 02-001 ADHESIVE TAPE (MASKING)

Specification Groups:

Doc Number	Type
OMAT: 230 (RR REF)	ZINC OXIDE AT142
JCR-197 (JAEC REF)	ZINC OXIDE AT142

Suppliers:

Manufacturer	Remarks
LOCAL
K6835
U0415

Manufacturer Code:

LOCAL

Supply Number:

CoMat 02-002

Type:

sp01

Supply Name:

CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER

Specification Groups:

Doc Number	Type
JCR-198	SCOTCH 202 PREMIUM GRADE (A-A-883 TYPE I)
OMAT: 237	SCOTCH 202 PREMIUM GRADE (A-A-883 TYPE I)

Suppliers:

Manufacturer	Remarks
LOCAL
94960
K0993
K6835

Manufacturer Code:

LOCAL

Supply Number:

CoMat 02-005

Type:

sp01

Supply Name:

CoMat 02-005 ADHESIVE TAPE (MASKING)

Specification Groups:

Doc Number	Type
OMAT: 2/94 (RR REF)	AT 7 BLACK, WATERPROOF

Suppliers:

Manufacturer	Remarks
LOCAL
U0415
K6835

Manufacturer Code:

76381

Supply Number:

CoMat 02-019

Type:

sp01

Supply Name:

CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING

Specification Groups:

Doc Number	Type
OMAT: 2/40 (RR REF)	SELLOTAPE 2595 SCAPA 2595 OR 3M HT214
JCR-201 (JAEC REF)	SELLOTAPE 2595 SCAPA 2595 OR 3M HT214

Suppliers:

Manufacturer	Remarks
76381
K3312
K6835

Manufacturer Code:

X222X

Supply Number:

CoMat 05-004

Type:

sp01

Supply Name:

CoMat 05-004 ABRASIVE MEDIUM, ALUMINUM OXIDE, 140/400 GRADE

Specification Groups:

Doc Number	Type
Use one of the CoMat 05-004 letter suffix alternatives.

Suppliers:

Manufacturer	Remarks
X222X

Manufacturer Code:

K3504

Supply Number:

CoMat 07-009

Type:

sp01

Supply Name:

CoMat 07-009 THINNER

Specification Groups:

Doc Number	Type
	IP 9151

Suppliers:

Manufacturer	Remarks
K3504
K6835
00BB6

Manufacturer Code:

00BB6

Supply Number:

CoMat 10-004

Type:

sp01

Supply Name:

CoMat 10-004 DRY FILM LUBRICANT

Specification Groups:

Doc Number	Type
PL237-R1 or P237-R2

Suppliers:

Manufacturer	Remarks
00BB6
K3504
K6835

Manufacturer Code:	LOCAL
Tool Number:	Abrasive Blast Equipment
Tool Name:	Abrasive Blast Equipment

Manufacturer Code:	LOCAL
Tool Number:	Oven
Tool Name:	Oven

TASK 72-31-12-300-003 Fan Blade Rear Retaining Ring - Replace The Dry Film Lubricant, Repair-003 (VRS1151)

Export Control

Copyright

Applicability

Common Information

TASK 72-31-12-300-003 Fan Blade Rear Retaining Ring - Replace The Dry Film Lubricant, Repair-003 (VRS1151)

Effectivity

Material of component

General

NOTE

Preliminary Requirements

Pre-Conditions

Support Equipment

Consumables, Materials and Expendables

Spares

Safety Requirements

Procedure

SUBTASK 72-31-12-110-051 Remove the Dry Film Lubricant

SUBTASK 72-31-12-120-051 Abrasive Blast the Rear Blade Retaining Ring

SUBTASK 72-31-12-380-051 Apply the Dry Film Lubricant to the Rear Blade Retaining Ring

Figure: Apply dry film lubricant to the rear blade retaining ring

Apply dry film lubricant to the rear blade retaining ring

Requirements After Job Completion

Follow-On Conditions