28445-935-000 Honda WASHER (Honda Code 0438630).

Introduction
This Special Instruction covers the procedure to install a wall flow diesel particulate filter on AD30 Underground Articulated Trucks, equipped with Ventilation Reduction Package and the correct low sulphur fuel and low ash oil. This supplemental product support literature should be used with the appropriate Service Manual and the appropriate Parts Manual that is available for this standard machine.Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.Reference Section
Reference: Disassembly and Assembly , RENR6908 , "AD30 Underground Articulated Trucks C15 Engine Supplement".Reference: Disassembly and Assembly , RENR8261 , "AD30 Underground Articulated Trucks C15 Engine Supplement".Reference: Disassembly and Assembly , UENR4810 , "AD30 Underground Articulated Trucks C15 Engine Supplement".Safety Section
Do not perform any procedure in this Special Instruction until you have read this Special Instruction and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures should be observed.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 must 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 of a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Avoid using a tool, a procedure, a work method, or operating technique that is not recommended by Caterpillar.Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures.
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
Failure to follow all safety guidelines prescribed in this document and by governing authorities and regulatory agencies may result in severe injury or death of personnel or machine damage.
When removing a major component or attachment, ensure that it is properly blocked or secured before removing mounting hardware. An assembly that is disconnected without proper blocking may shift or fall, resulting in serious injury or death of personnel or machine damage.
Personal injury or death can result from improper maintenance procedures. To avoid injury or death, follow the procedures exactly as stated below.
Personal injury or death can result from sudden movement.Prevent possible injury by performing the following procedures before work begins:Move the product or equipment to a smooth, level surface.When applicable, lower equipment/work tools to the ground.Engage the parking brake, system brakes and/or hydraulic lockout control. When applicable, stop the engine and remove the ignition key.Release system pressure from pressurized systems.If applicable, block the wheels/tracks.Turn the battery disconnect switch to the OFF position and if applicable, remove the battery disconnect key. If not equipped with a battery disconnect switch, disconnect the battery cables from the battery and tape the battery clamps. Attach a “Do Not Operate” or similar warning tag at the battery disconnect switch location and as defined by site rules and/or local regulations.
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Access to this service point may require climbing on the equipment. Slipping or falling while climbing on the equipment could result in personal injury or death. Refer to the Operation and Maintenance Manual, Mounting and Dismounting topic for safety information.
Failure to use an approved access system during installation and removal of components could result in slipping and falling which could result in personal injury or death. To prevent injury or death, use an approved access system to reach the appropriate mounting locations of the components. Do not climb on the machine. Maintain three-points of contact and/or use a safety harness.