0334797 JOHNSON TUBE, Crankcase drain, 1 5/8 in. (42mm) long

If the air cleaner element becomes plugged, the air can split the material of the air cleaner element. Unfiltered air will drastically accelerate internal engine wear. Your Cat dealer has the proper air cleaner elements for your application. Consult your Cat dealer for the correct air cleaner element.
Check the precleaner (if equipped) daily for accumulation of dirt and debris. Remove any dirt and debris, as needed.
Operating conditions (dust, dirt, and debris) may require more frequent service of the air cleaner element.
The air cleaner element should be replaced every 2 years. This replacement should be performed regardless of the number of cleanings.Note: This air cleaner element should be replaced after the third cleaning.Note: Use the 102-9720 Cleaning Kit. This product contains the detergent and oil that is made specifically for the maintenance of the air cleaner elements.Cleaning the Air Filter Element
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Loosen and remove the air cleaner element clamp (1).
Remove the air cleaner element (2). Tap the air cleaner element to dislodge dirt particles. Gently brush the air cleaner element with a soft bristle brush.
Do not use gasoline, steam, caustic or unapproved detergents, or parts cleaning solvents. Do not use high pressure water or air to clean the air cleaner element. Any of those liquids or methods can cause air cleaner element damage.
Spray the air cleaner element with the cleaning solution. Allow the air cleaner element to stand for 10 minutes.
Rinse the air cleaner element with low water pressure. The maximum water pressure for this procedure is 275 kPa (40 psi). Tap water is acceptable. Start to rinse the air cleaner element from the clean side (inside). Next, clean the dirty side (outside) in order to flush out dirt. Inspect the air cleaner element for tears and/or holes after the air cleaner element is cleaned. Do not reuse damaged air cleaner elements.
Do not use compressed air, open flame, or hot air to dry the air cleaner element. Excess heat shrinks cotton fiber, and compressed air may blow holes in the material. Allow the air cleaner element to air dry.
Shake excess water off the air cleaner element , and allow the air cleaner element to air dry. Drying the air cleaner element in the sun speeds the process.
Do not use transmission fluid, engine oil, diesel fuel, or other lubricant to oil the air cleaner element. The air cleaner element can not function correctly if improper oil is used. Never operate an engine with a dry air cleaner element. The air cleaner element can not function correctly without oil. Always saturate the clean air cleaner element with the recommended oil.
The dry air cleaner element should be oiled before installation. Apply small amounts of oil across the top of each pleat. Allow the oil to soak into the air cleaner element for 20 minutes. Oil any remaining "white" spots.
Inspect the housing and the clamp for air cleaner element (1). Install the clean, oiled air cleaner element. Replace the clamp, if necessary. Refer to Specifications, SENR3130, "Torque Specifications" for the proper torque of the clamp. Replacing the Air Filter
Loosen and remove the air cleaner clamp (1).
Remove air cleaner.
Install clamp (1).
Install a new air cleaner element (2).
Tighten the air cleaner clamp (1).