Thermal Spray Procedures for Engine Front Cover{0679, 1150, 1151, 1162} Caterpillar

Engine: 3176 Engines

3116 (S/N: 3AF1-UP; 7SF1-UP; 2SG1-UP; 2WG1-UP; 4KG1-UP; 4PG1-UP; 7AG1-UP; 1NJ1-UP; 3RJ1-UP; 7HJ1-UP; 9CJ1-UP; 1SK1-UP; 2BK1-UP; 9GK1-UP; 7JL1-UP; 8WL1-UP; CSM1-UP; 5RM1-UP; 5EN1-UP; 2FR1-UP; 2MR1-UP; 5TS1-UP; 7HS1-UP; 2CW1-UP; 5JZ1-UP; 7TM1-UP)

3116 T (S/N: 9LN1-UP; 9YN1-UP)

3196 (S/N: 1DW1-UP) 3400 3456 All 3500 Engines C-10 All C-9 and C9 All C11 All C12 and C-12 All C13 and C-13 All C15 and C-15 All C16 and C-16 All C175 Engines C18 and C-18 All C27 All C32 All C7 All

Agricultural Tractor:

85D (S/N: 6AR1-UP)

Marine Engine:

3196 MARINE (S/N: 2XR1-UP)

C30 MARINE (S/N: CLX1-UP)

Track-Type Tractor:

D6M (S/N: 7JS1-UP)

Wheel Loader:

928F (S/N: 4TF1-UP; 6RR1-UP; 98Z1-UP)

950F Series II (S/N: 1CK1-UP)

972G Series II (S/N: 5ED1-UP)

Introduction

© 2015 Caterpillar All Rights Reserved.This guideline is for the use of Cat dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law. Information contained in this document is considered Caterpillar: Confidential Yellow.

This Reuse and Salvage Guideline contains the necessary information in order to allow a dealer to establish a parts reusability program. Reuse and salvage information enables Caterpillar dealers and customers to benefit from cost reductions. Every effort has been made in order to provide the most current information that is known to Caterpillar. Continuing improvement and advancement of product design might have caused changes to your product which are not included in this publication. This Reuse and Salvage Guideline must be used with the latest technical information that is available from Caterpillar.

For questions or additional information concerning this guideline, submit a form for feedback in the Service Information System. In order to address an urgent issue, use the following resources in order to communicate your request to Caterpillar Repair Process Engineering:

• Caterpillar Dealer Technical Communicator

• Dealer Solution Network

• Caterpillar Technical Representative

• Knowledge Network

For further information on the equipment needed to perform thermal spray processes, refer to the following publications:

• Special Instruction, SEBF9236, "Fundamentals of High Velocity Oxygen Fuel (HVOF) Spray for Reconditioning Components"

• Special Instruction, SEBF9238, "Fundamentals of Arc Spray for Reconditioning Components"

• Special Instruction, SEBF9240, "Fundamentals of Flame Spray for Reconditioning Components"

Canceled Part Numbers and Replaced Part Numbers

This document may not include canceled part numbers and replaced part numbers. Use NPR on SIS for information about canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.

Important Safety Information

Illustration 1	g02139237

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly. Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. If a tool, a procedure, a work method, or operating technique that is not specifically recommended by Caterpillar is used, you must ensure that it is safe for you and for other people to use. You should ensure that the product will not be damaged or the product will not be made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.

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Improper operation, lubrication, maintenance or repair of this product can be dangerous and could result in injury or death. Do not operate or perform any lubrication, maintenance or repair on this product, until you have read and understood the operation, lubrication, maintenance and repair information.

Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.

The hazards are identified by the safety alert symbol which is followed by a signal word such as danger, warning, or caution. The "WARNING" safety alert symbol is shown below.

Illustration 2	g00008666

This safety alert symbol means:

Pay attention!

Become alert!

Your safety is involved.

The message that appears under the safety alert symbol explains the hazard.

Operations that may cause product damage are identified by "NOTICE" labels on the product and in this publication.

Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The safety information in this document and the safety information on the machine are not all inclusive. You must determine that the tools, procedures, work methods, and operating techniques are safe. You must determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, you must determine that the operation, lubrication, maintenance, and repair procedures will not make the machine unsafe.

The information, the specifications, and the illustrations that exist in this guideline are based on information which was available at the time of publication. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete, most current information before you start any job. Caterpillar dealers can supply the most current information.

Part Description

Arc Spray Equipment and Procedure

Flame Spray Equipment and Procedure

Specifications

Illustration 3	g03083876
3406 (4N-3912)

Illustration 4	g03337540
3408 (7C-4843)

Illustration 5	g03337541
3408 and 3412 (6N-5483)

Illustration 6	g03337542
ACERT and C-Series engine front cover: Engine side shown with non-dimensional arrows indicating face to be sprayed.

Illustration 7	g03337544
ACERT and C-Series engine front cover: Engine side shown with non-dimensional arrows indicating face to be sprayed.

Illustration 8	g03337545
ACERT and C-Series engine front cover: Front shown with non-dimensional arrows indicating face to be sprayed.

Illustration 9	g03337548
ACERT and C-Series engine front cover: Engine side shown with non-dimensional arrows indicating face to be sprayed.

Illustration 10	g03337975
3500

Illustration 11	g03337977
3500

¹ Tolerance is ± 0.020 mm (0.0008 inch)

² Tolerance is ± 0.05 mm (0.002 inch)

³ Tolerance is ± 0.08 mm (0.003 inch)

⁴ Tolerance is ± 0.10 mm (0.004 inch)

⁵ Tolerance is ± 0.25 mm (0.010 inch)

⁶ Tolerance is ± 0.5 mm (0.02 inch)

Illustration 12	g03337979
3500

¹ Tolerance is ± 0.020 mm (0.0008 inch)

² Tolerance is ± 0.05 mm (0.002 inch)

³ Tolerance is ± 0.08 mm (0.003 inch)

⁴ Tolerance is ± 0.10 mm (0.004 inch)

⁵ Tolerance is ± 0.25 mm (0.010 inch)

⁶ Tolerance is ± 0.5 mm (0.02 inch)

Illustration 13	g03337551
C27 and C32

Illustration 14	g03337552
C27 and C32

Illustration 15	g03337554
C27 and C32

Illustration 16	g03337555
C27 and C32

Illustration 17	g03337558
C27 and C32

Illustration 18	g03337560
C27 and C32

Illustration 19	g03337692
C175 Front View

Illustration 20	g03337694
C175 Rear View

Illustration 21	g03337697
C175

Illustration 22	g03337706
C175