Section 3 - Maintenance Routine Maintenance Cleaning the Machine Cleaning the Machine Introduction !M CAUTION T3-062_2 Clean the machine using water and or steam. Do not allow mud, debris etc. to build upon the machine. The engine or certain components could be damaged by high pressure washing systems; special precautions must be taken if the engine is to be washed using a high pressure system. Before carrying out any service procedures that require components to be removed: Ensure that the alternator, starter motor and any other electrical components are shielded and not directly cleaned by the high pressure cleaning system.
1 Cleaning must be carried out either in the area of components to be removed or, in the case of major work, or work on the fuel system, the whole engine and surrounding machine must be cleaned. ENG-3-3 Important: Do not aim the water jet directly at bearings, oil seals or electrical and electronic components such as the engine electronic control unit (ECU), alternator or fuel injectors. 2 When cleaning is complete move the machine away from the wash area, or alternatively, clean away the material washed from the machine. Important: When removing components be aware of any dirt or debris that may be exposed. Cover any open ports and clean away the deposits before proceeding.
Use a low pressure water jet and brush to soak off caked mud or dirt. Use a pressure washer to remove soft dirt and oil. Detergents Note: The machine must always be greased after pressure washing or steam cleaning. Avoid using full strength detergent - always dilute detergents as per the manufacturer's recommendations, otherwise damage to the paint finish may occur. Preparing the Machine for Cleaning Always adhere to local regulations regarding the disposal of debris created from machine cleaning. P11-3004 1 Make the machine safe with the excavator lowered. Refer to Prepare the Machine for Maintenance . Pressure Washing and Steam Cleaning Important:
Stop the engine and allow it to cool for at least one hour. Do not attempt to clean any part of the engine while it is running. !M WARNING When using a steam cleaner, wear safety glasses or a face shield as well as protective clothing. Steam can cause serious personal injury. 2 Make sure that all electrical connectors are correctly coupled. If connectors are open fit the correct caps or seal with water proof tape. 13-3-2-10_2 3-30 3-30 9803/JSM-0412