DMC:V2500-A0-72-60-2201-03A-647A-C|Issue No:001|Issue Date:2013-11-01

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 72-60-22-300-018 Starter Drive Gear - Chromium Plate The Rear Bearing Shoulder, Repair-018 (VRS5131)

Effectivity

FIG/ITEM	PART NO.
01-260	4P0006

Material of component

	RR
DESCRIPTION	SYMBOL	MATERIAL
Drive gear		10NiCrMo4
		(SAE 9840)

General

NOTE

To identify consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

Name	Manufacturer	Part Number / Identification	Remark
Workshop inspection equipment	LOCAL	Workshop inspection equipment
Grinding machine	LOCAL	Grinding machine
Magnetizing unit	LOCAL	Magnetizing unit	(Refer to SPM TASK 70-24-01-240-501)
Demagnetizing unit	LOCAL	Demagnetizing unit	(Refer to SPM TASK 70-24-01-240-501)
Hot oil tank	LOCAL	Hot oil tank
Pressure Shotpeen System	LOCAL	Pressure Shotpeen System	(Refer to SPM TASK 70-38-04-300-503)
Basket	LOCAL	Basket
Vapor degreaser	LOCAL	Vapor degreaser	(Refer to SPM TASK 70-11-01-300-503)
Process Plating Tanks	LOCAL	Process plating tanks	(Refer to SPM TASK 70-33-02-330-501)
Furnace	LOCAL	Furnace
Magnifying glass	LOCAL	Magnifying glass
Vibrating marking pencil	LOCAL	Vibrating marking pencil

Consumables, Materials and Expendables

Name	Manufacturer	Part Number / Identification
CoMat 01-001 SOLVENT, DELETED	0AM53	CoMat 01-001
CoMat 01-007 ETHYL ALCOHOL C2H5OH (DENATURED)	LOCAL	CoMat 01-007
CoMat 01-022 SODIUM HYDROXIDE NaOH (SOLID)	LOCAL	CoMat 01-022
CoMat 01-023 CHROMIUM TRIOXIDE CrO3(CHROM.ACID)	LOCAL	CoMat 01-023
CoMat 01-030 SODIUM CARBONATE Na2CO3	LOCAL	CoMat 01-030
CoMat 01-043 SULFURIC ACID H2SO4	LOCAL	CoMat 01-043
CoMat 01-044 SODIUM METASILICATE Na2SiO3.5H2O	LOCAL	CoMat 01-044
CoMat 01-058 NITRIC ACID HNO3	LOCAL	CoMat 01-058
CoMat 01-079 TRI-SODIUM PHOSPHATE Na3PO4+12H2O	LOCAL	CoMat 01-079
CoMat 01-099 HYDROCHLORIC ACID	K6835	CoMat 01-099
CoMat 01-341 ADDITIVE - DELETED	IE540	CoMat 01-341
CoMat 01-342 RUST REMOVER - DELETED	LOCAL	CoMat 01-342
CoMat 02-017 WAX	LOCAL	CoMat 02-017
CoMat 02-034 METALLIC MASKING TAPE(LEAD FOIL)	76381	CoMat 02-034
CoMat 05-030 CAST STEEL SHOT DELETED	0AM53	CoMat 05-030
CoMat 10-023 MINERAL OIL	73277	CoMat 10-023

Spares

NONE

Safety Requirements

NONE

Procedure

1. Refer to Figure.
2. 1. Remove all damage and wear.
  2. Keep the removal of material to the minimum necessary to remove the damage.
  3. The distance between the shoulders must be 3.1693 to 3.1703 in. (80.500 to 80.525 mm).
  4. Surface rough must be 32 micro-inches (0.8 micron) before plating.
1. 1. Refer to the SPM TASK 70-24-01-240-501.
  2. No cracks are permitted.
1. 1. Refer to the SPM TASK 70-21-02-210-501.
  2. Machine the rear bearing shoulder if there is sign of burned metal.
  3. Keep the removal of material to the minimum necessary to remove the damage.
1. 1. Use a hot oil tank.
  2. Do this process as soon as possible in 2 hours after the etch.
1. 1. Refer to the SPM TASK 70-38-04-300-503.
  2. Use CoMat 05-030 CAST STEEL SHOT DELETED.
1. 1. Refer to the SPM TASK 70-11-01-300-503.
  2. Use CoMat 01-001 SOLVENT, DELETED.
1. Refer to Figure.
2. 1. Use CoMat 02-034 METALLIC MASKING TAPE(LEAD FOIL).
  2. Use CoMat 02-017 WAX.
3. 1. Refer to the SPM TASK 70-33-02-330-501.
  2. Plate to a sufficient thickness to permit the machining to the last dimensions.
  3. Refer to the figure.
  4. The plating out of the closed areas is permitted but must be removed.
4. Remove the mask.
5. 1. Flush with cold water.
  2. Flush with hot water.
  3. Dry with air blast.
1. 1. Do this procedure as soon as possible in 4 hours after the plating.
1. 1. Plating must have a constant color.
  2. No bubbles or sign of burned metal are permitted.
1. 1. The distance between the shoulders must be 3.1713 to 3.1752 in. (80.550 to 80.650 mm).
  2. Clean up the edges of the groove and chamfers, where necessary.
1. Refer to Figure.
2. 1. Use a 5x magnifying glass.
  2. The natural network crack, emphasized by grinding, is permitted.
3. 1. Do not accept thickness less than 0.001 in. (0.025 mm) after the last machining.
1. 1. Remove metal lifted by marking.

Repair details and dimension

Requirements After Job Completion

Follow-On Conditions

NONE

Manufacturer Code:	0AM53
Enterprise Name:	IAE INTERNATIONAL AERO ENGINES AG
BU Name:	NULL
Building:	SUITE 400
Street:	628 HEBRON AVENUE
City:	GLASTONBURY
State:	CT
Zip Code:	06033
Country:	USA

Manufacturer Code:	73277
Enterprise Name:	HOUGHTON INTERNATIONAL INC
BU Name:	HOUGHTON INTERNATIONAL INC
Street:	MADISON AND VANBUREN AVENUES
P.O. Box:	930
City:	VALLEY FORGE
State:	PA
Zip Code:	19482-0930
Country:	USA
Phone Number:	1-610-666-4000, 1-610-666-4096
Fax Number:	1-610-666-1376, 1-610-666-5682
Internet:	www.houghtonintl.com

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:	IE540
Enterprise Name:	COVENTYA Srl
BU Name:	COVENTYA Srl
City:	F Ili Rosselli
Zip Code:	2-31050
Country:	Villorba
Phone Number:	39 0422 6145
Internet:	www.coventya.com

Manufacturer Code:	K6835
Enterprise Name:	MED-LAB LTD
BU Name:	MED-LAB LTD
Street:	COPELAND ST
City:	DERBY
Zip Code:	DE1 2PU
Country:	GREAT BRITAIN
Phone Number:	44-1332-349094
Fax Number:	44-1332-371237
Email:	sales@med-lab.co.uk
Internet:	www.med-lab.co.uk

Manufacturer Code:	LOCAL
Enterprise Name:	LOCALLY SUPPLIED

Manufacturer Code:

X111X

Supply Number:

CoMat 01-001

Type:

sp01

Supply Name:

CoMat 01-001 SOLVENT, DELETED

Specification Groups:

Doc Number	Type
wiring harnesses. Where CoMat 01‐001 is specified to clean mechanical components, use one or more of the solvents that SPM TASK 70‐11‐26‐300‐503 specifies as applicable.	DELETED. Where CoMat 01‐001 is specified to clean electrical contacts or wiring harnesses, use one or more of the solvents that SPM TASK 70‐11‐57‐110‐501 specifies to clean electrical contacts or

Suppliers:

Manufacturer	Remarks
X111X

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-007

Type:

sp01

Supply Name:

CoMat 01-007 ETHYL ALCOHOL C2H5OH (DENATURED)

Specification Groups:

Doc Number	Type
PMC 9009 (PW REF)	Reagent grade
MTH 133 (94%) (MTU REF)	Reagent grade

Suppliers:

Manufacturer	Remarks
LOCAL
K6835
IE441
24853

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-022

Type:

sp01

Supply Name:

CoMat 01-022 SODIUM HYDROXIDE NaOH (SOLID)

Specification Groups:

Doc Number	Type
	ASTM D 456 CAUSTIC SODA, PEARLS OR FLAKES

Suppliers:

Manufacturer	Remarks
LOCAL
K6835
U0SV8

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-023

Type:

sp01

Supply Name:

CoMat 01-023 CHROMIUM TRIOXIDE CrO3(CHROM.ACID)

Specification Groups:

Doc Number	Type
OMAT: 111 (RR REF)	99,0 PURE FLAKE O-C-303
JCR-034 (JAEC REF)	99,0 PURE FLAKE O-C-303
MTH 126 (MTU REF)	99,0 PURE FLAKE O-C-303

Suppliers:

Manufacturer	Remarks
LOCAL
U1185
70657
24853
K6835

Manufacturer Code:

K0419

Supply Number:

CoMat 01-030

Type:

sp01

Supply Name:

CoMat 01-030 SODIUM CARBONATE Na2CO3

Specification Groups:

Doc Number	Type
OMAT: 119 (RR REF)	ANHYDROUS SODIUM CARBONATE, TECHNICAL GRADE, CERTIFIED TO B.S.3674:1981 (1992) OR TO A‐A‐59563 TYPE 2

Suppliers:

Manufacturer	Remarks
K0419
K6835
LOCAL
U0SV8
U6726
V272V

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-043

Type:

sp01

Supply Name:

CoMat 01-043 SULFURIC ACID H2SO4

Specification Groups:

Doc Number	Type
OMAT:1/157 (RR REF)	S.G 1.84 ANALAR GRADE
PMC 1003 TECHNICAL GRADE (PW REF)	S.G 1.84 ANALAR GRADE
MTH 132 (95%-97%) (MTU REF)	S.G 1.84 ANALAR GRADE
389-100025 (FIAT REF)	S.G 1.84 ANALAR GRADE

Suppliers:

Manufacturer	Remarks
LOCAL
U1185
24853
K6835

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-044

Type:

sp01

Supply Name:

CoMat 01-044 SODIUM METASILICATE Na2SiO3.5H2O

Specification Groups:

Doc Number	Type
OMAT: 120 (RR REF)	TECHNICAL GRADE
JCR-111 (JAEC REF)	TECHNICAL GRADE
MTH 135 (56%) (MTU REF)	TECHNICAL GRADE

Suppliers:

Manufacturer	Remarks
LOCAL
70657
K6835
U1185
24853

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-058

Type:

sp01

Supply Name:

CoMat 01-058 NITRIC ACID HNO3

Specification Groups:

Doc Number	Type
OMAT:1/158 (RR REF)	S.G 1.42
MTH 178 (MTU REF)	S.G 1.42

Suppliers:

Manufacturer	Remarks
LOCAL
K6835
24853
U1185

Manufacturer Code:

X111X

Supply Number:

CoMat 01-079

Type:

sp01

Supply Name:

CoMat 01-079 TRI-SODIUM PHOSPHATE Na3PO4+12H2O

Specification Groups:

Doc Number	Type
	DELETED

Suppliers:

Manufacturer	Remarks
X111X

Manufacturer Code:

K6835

Supply Number:

CoMat 01-099

Type:

sp01

Supply Name:

CoMat 01-099 HYDROCHLORIC ACID

Specification Groups:

Doc Number	Type
20 degree BAUME TECHNICAL GRADE	PMC 1002 (PW REF)

Suppliers:

Manufacturer	Remarks
K6835
IE272
24853
70657
LOCAL

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-341

Type:

sp01

Supply Name:

CoMat 01-341 ADDITIVE - DELETED

Specification Groups:

Doc Number	Type
	DELETED

Suppliers:

Manufacturer	Remarks
LOCAL

Manufacturer Code:

LOCAL

Supply Number:

CoMat 01-342

Type:

sp01

Supply Name:

CoMat 01-342 RUST REMOVER - DELETED

Specification Groups:

Doc Number	Type
	DELETED

Suppliers:

Manufacturer	Remarks
LOCAL

Manufacturer Code:

LOCAL

Supply Number:

CoMat 02-017

Type:

sp01

Supply Name:

CoMat 02-017 WAX

Specification Groups:

Doc Number	Type
11429Y/Y MIL-P-23242 OMAT: 228	PLATING WAX WILKINS CAMPBELL
JCR-178	PLATING WAX WILKINS CAMPBELL

Suppliers:

Manufacturer	Remarks
LOCAL
K6835
K4404

Manufacturer Code:

76381

Supply Number:

CoMat 02-034

Type:

sp01

Supply Name:

CoMat 02-034 METALLIC MASKING TAPE(LEAD FOIL)

Specification Groups:

Doc Number	Type
PMC 4138-1 THRU -5	3M LEAD FOIL TAPE 420 (with linner) or 3M LEAD FOIL TAPE 421 (without linner)

Suppliers:

Manufacturer	Remarks
76381

Manufacturer Code:

0AM53

Supply Number:

CoMat 05-030

Type:

sp01

Supply Name:

CoMat 05-030 CAST STEEL SHOT DELETED

Specification Groups:

Doc Number	Type
	DELETED

Suppliers:

Manufacturer	Remarks
0AM53

Manufacturer Code:

73277

Supply Number:

CoMat 10-023

Type:

sp01

Supply Name:

CoMat 10-023 MINERAL OIL

Specification Groups:

Doc Number	Type
HOUGHTON MAR-TEMP 300

Suppliers:

Manufacturer	Remarks
73277

Manufacturer Code:	LOCAL
Tool Number:	Basket
Tool Name:	Basket

Manufacturer Code:	LOCAL
Tool Number:	Demagnetizing unit
Tool Name:	Demagnetizing unit

Manufacturer Code:	LOCAL
Tool Number:	Furnace
Tool Name:	Furnace

Manufacturer Code:	LOCAL
Tool Number:	Magnetizing unit
Tool Name:	Magnetizing unit

Manufacturer Code:	LOCAL
Tool Number:	Pressure Shotpeen System
Tool Name:	Pressure Shotpeen System

Manufacturer Code:	LOCAL
Tool Number:	Process plating tanks
Tool Name:	Process Plating Tanks

Manufacturer Code:	LOCAL
Tool Number:	Workshop inspection equipment
Tool Name:	Workshop inspection equipment

TASK 72-60-22-300-018 Starter Drive Gear - Chromium Plate The Rear Bearing Shoulder, Repair-018 (VRS5131)

Export Control

Copyright

Applicability

Common Information

TASK 72-60-22-300-018 Starter Drive Gear - Chromium Plate The Rear Bearing Shoulder, Repair-018 (VRS5131)

Effectivity

Material of component

General

NOTE

Preliminary Requirements

Pre-Conditions

Support Equipment

Consumables, Materials and Expendables

Spares

Safety Requirements

Procedure

SUBTASK 72-60-22-320-059 Machine the Rear Bearing Shoulder of the Starter Drive Gear

SUBTASK 72-60-22-240-055 Examine the Starter Drive Gear

SUBTASK 72-60-22-210-052 Nital Etch the Rear Bearing Shoulder

SUBTASK 72-60-22-370-056 Do the De-embrittlement Treatment

SUBTASK 72-60-22-380-052 Shot-peen the Rear Bearing Shoulder

SUBTASK 72-60-22-110-055 Remove the Grease from the Starter Drive Gear

SUBTASK 72-60-22-330-055 Chromium Plate the Rear Bearing Shoulder

SUBTASK 72-60-22-370-057 De-embrittle the Starter Drive Gear

SUBTASK 72-60-22-220-077 Examine the Starter Drive Gear

SUBTASK 72-60-22-320-060 Machine the Rear Bearing Shoulder of the Starter Drive Gear

SUBTASK 72-60-22-220-078 Examine the Chromium Plated Areas

SUBTASK 72-60-22-350-055 Record the Repair

Figure: Repair details and dimension

Repair details and dimension

Requirements After Job Completion

Follow-On Conditions