TUBE AS 5070095 - Caterpillar

This air cleaner requires no oil.Regular service intervals, along with close visual inspection of the precleaner and dry type air cleaner are necessary for proper cleaning of the engine inlet air. The service interval will vary with the weather and working conditions. During dry, dusty months where dust conditions are severe, it will be necessary to service the precleaner and air cleaner frequently. In damp weather and other conditions of little or no dust, the service interval can be extended.Diesel Engine Dry Type Air Cleaner
Visual inspection of the gaskets is important in keeping dust from by-passing the air cleaner filter elements. Air leakage can upset proper air cleaner action. If the condition of the gaskets is questionable, replace them. If the sealing ends of the filter element or the element pleats are damaged, replace the element.If either the exhaust pipe or air cleaner inlet has been removed for any reason, they should be installed in the original position so that exhaust and/or oil fumes do not enter the engine air cleaner.The Air Cleaner Service Indicator is connected to the air inlet passage. It contains a red marked piston which moves up and down due to engine demands, and when the entire piston is visible, it will lock in the raised position. The piston will remain in this position whether the engine is running or stopped; thus indicating a need for air cleaner service. After servicing the air cleaner, reset the piston by depressing the plunger in the bottom of the indicator.
AIR CLEANER SERVICE INDICATORExcessive engine exhaust smoke and/or loss of power may indicate the need for servicing the air cleaner. Never service the air cleaner while the engine is running.The air cleaner filter elements in both sections of the air cleaner require attention at the same time as indicated in the topics, PRIMARY FILTER ELEMENT and SECONDARY FILTER ELEMENT. Primary Filter Element: Whenever the red piston in the air cleaner service indicator locks in the visible position, remove, clean and inspect the primary filter element.
DRY TYPE AIR CLEANER
1-Wing nuts. 2-Filter case. 3-Cup. 4-Secondary filter element. 5-Primary filter element.1. Loosen the wing nuts (1) and remove the cup (3) of the filter case (2).2. Remove the primary filter element (5).3. Remove any dirt which has accumulated on the bottom of the case and clean the filter element using one of the methods covered in the topic, FILTER ELEMENT CLEANING.4. Thoroughly clean all parts of the air cleaner. Inspect gaskets and install new ones if they are damaged.5. Install the primary filter element, cup and tighten the wing nuts. Secondary Filter Element: Clean the secondary filter element if after installing the primary filter element and starting the engine, the service indicator piston still locks in the visible position.1. Remove the stud nuts that secure the secondary filter element (4) and filter case (2) to the diesel engine air inlet.2. Remove the air cleaner assembly and cover the air inlet to the engine.3. Remove the end of the filter case