839623 Volvo.Penta Gear

Introduction
Table 1
Revision Summary of Changes in SEBF8246
15 - 17 Added new serial number prefixes.
14 Added effectivity and repaired pixelated illustrations.
10 - 13 Added new serial number prefixes. © 2020 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 to allow a dealer to establish a parts reusability program. Reuse and salvage information enables Cat dealers and customers to benefit from cost reductions. Every effort has been made 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 technical questions when using this document, work with your Dealer Technical Communicator (TC).To report suspected errors, inaccuracies, or suggestions regarding the document, submit a form for feedback in the Service Information System (SIS Web) interface.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 g02139237Work 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 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 recommended by Caterpillar is used, ensure that it is safe for you and for other people to use. 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.
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”, “” or “CAUTION”. The “” Safety Alert Symbol is shown below.
Illustration 2 g00008666This 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 "" 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. Determine that the tools, procedures, work methods, and operating techniques are safe. Determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, 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.Summary
Some Water-Cooled exhaust manifold assemblies may develop cracks in the weld between the cast outlet elbow and the outer shell of the exhaust manifold. A list of the affected Water-Cooled exhaust manifold assemblies is found in Table 2.
Table 2
Water-Cooled Exhaust Manifolds
Covered by the Repair Procedure
Former Part Number New Part Number
9Y-8681 6I-0044
9Y-8682 6I-0045
9Y-8683 6I-0046
9Y-8684 6I-0047
9Y-8685 6I-0048
9Y-8686 6I-0049 1New parts replace former parts, but repair procedure can still be used on former parts.Repair Procedure
Use the following repair procedure to extend the service life of the exhaust manifold.
Fabricate two collars from mild steel, as shown in the Illustration 3.
Table 3
Dimension for Fabricated Collar
Item Dimension
(A) 25.4 mm (1.00 inch)
(B) 4.00 mm (0.157 inch)
(C) 76.2 mm (2.00 inch)
(D) 1.00 mm (0.039 inch)
(E) 30 degrees