2 minute read
AIR FILTER
Inspection
Be sure to carry out regular checks on the air filter, intake manifold, seals and hoses. At the same time, check the intake manifold screws and hose clamps for tightness. The hoses should be replaced before they are worn.
Air filter restriction indicator
Service specifications
CD01K052 Located above to the air filter, this indicator shows the state of the air filter elements. When the central zone of the indicator becomes red then the elements must be serviced, irrespective of the next scheduled service interval. Once the elements have been serviced, press the button on top of the indicator to start a new indication cycle.
Inspect and clean the primary element.........................................Every 250 hours or when central zone of the indicator turns red Replace the primary element......................................................Every 1000 hours or after cleaning six times Replace the secondary element.................................................Every 2000 hours IMPORTANT: The primary element can be cleaned. The secondary element can not be cleaned and must be replaced. IMPORTANT: Observe the air filter service intervals shown above. Clean filters mean longer engine life.
IMPORTANT: Make sure your face is protected before using compressed air.
CD01K044 1. Release the fasteners and remove the cover.
PE08311
If the primary element is dry : Blow compressed air from the inside towards the outside at very low pressure. The compressed air nozzle should be held at least 3 cm from the inside wall of the element. Cleaning is completed once no more dust comes out of the primary element.
CD01K012 2. Remove the primary element.
CD01K011 3. Remove the secondary element if it needs replacing. IMPORTANT: The secondary element must be replaced, not cleaned.
Air filter (continued)
IMPORTANT: Compressed air pressure should not exceed 7 bar. NOTE: Do not use compressed air if there is oil or soot on the primary element.
Inspecting the primary element
PDE0088
If the primary element is oily : Clean it in water with a suitable detergent (consult your CASE Dealer). Instructions for using the detergent are printed on the packaging. IMPORTANT: Allow the primary element to dry completely before installing. It is advisable to keep a spare, clean primary element ready for installation while the other primary element is drying.
PDE0378 Check the primary element for damage by placing an inspection lamp inside the element. IMPORTANT: Replace the primary element if light can be seen through a hole, however small.
Installing the elements
CD01K011 1. Install the secondary element.
2. Install the primary element.
CD01K012 CD01K052 5. Press the red button on the indicator. IMPORTANT: If exhaust smoke is abnormal after cleaning, the air filter primary element must be replaced.
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CD01K044 3. Install the cover (with the word “Top” at the top) and close the fasteners. 4. Check that the dust ejector (1) under the filter is working correctly.
