878574A 2 Mercury PISTON ASSEMBLY

Introduction
Important Safety Information
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, including human factors that can affect safety. This person should also have the necessary training, skills, and tools to perform these functions properly.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 verify that you are authorized to perform this work, and 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" and followed by a "Signal Word" such as "DANGER", "" or "CAUTION". The Safety Alert "" label is shown below.
Illustration 1 g00008666
The meaning of this safety alert symbol is as follows:Attention! Become Alert! Your Safety is Involved.The message that appears under the warning explains the hazard and can be either written or pictorially presented.A non-exhaustive list of 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 warnings in this publication and on the product are, therefore, not all inclusive. You must not use this product in any manner different from that considered by this manual without first satisfying yourself that you have considered all safety rules and precautions applicable to the operation of the product in the location of use, including site-specific rules and precautions applicable to the worksite. If a tool, procedure, work method or operating technique that is not specifically recommended by Caterpillar is used, you must satisfy yourself that it is safe for you and for others. You should also ensure that you are authorized to perform this work, and that the product will not be damaged or become unsafe by the operation, lubrication, maintenance or repair procedures that you intend to use.The information, specifications, and illustrations in this publication are on the basis of information that was available at the time that the publication was written. 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 and most current information before you start any job. Cat dealers have the most current information available.In the United States, the maintenance, replacement, or repair of the emission control devices and systems may be performed by any repair establishment or individual of the owner's choosing.General Information
Graphic Color Description
Table 1
Graphic Color Description    
Color     Description    
Blue     The primary component of focus for a particular step. Target or primary component to be installed or removed. Installation implied unless otherwise noted with a symbol.