GEAR-PUMP DRIVE 1T1098 - Caterpillar

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Open the engine enclosure.
Slide out retaining clip (1) .
Release cover (2) from air filter housing (3) by rotating counterclockwise. Remove the cover from the housing.
Remove primary element (4) from filter housing (3). To avoid dislodging any dust, take care to avoid touching the element against the sides of the housing. Inspect the primary element. If the pleats or the seals are damaged, discard the primary element. Replace a damaged primary element with a clean primary element.
If the primary element is not damaged, you may clean the primary element. Refer to Operation and Maintenance Manual, "Cleaning Primary Air Filter Elements".
When you clean the inside of the pleats, direct the air along the pleats. Inspect the primary element after you clean the primary element.
Clean the inside of the filter housing and clean the cover. Pay particular attention to the sealing surface of the outlet tube, which fits inside the primary element.
Install a clean primary element.
Install the cover.
Reset the engine air filter service indicator by pressing button (5) .
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Start the engine. If the engine air filter service indicator (6) illuminates on the dash panel, install a new primary element. Refer to the "Alert Indicators" section of Operation and Maintenance Manual, "Monitoring System" for further information. Also, if the exhaust smoke is black, install a new primary element. Replace the engine air filter secondary element when you replace the primary filter element. Refer to the Operation and Maintenance Manual, "Engine Air Filter Secondary Element - Replace".
Close the engine enclosure.Cleaning Primary Air Filter Elements
Caterpillar recommends certified air filter cleaning services available at participating Caterpillar dealers. The Caterpillar cleaning process uses proven procedures to assure consistent quality and sufficient filter life.Observe the following guidelines if you attempt to clean the filter element:Do not tap or strike the filter element in order to remove dust.Do not wash the filter element.Use low pressure compressed air in order to remove the dust from the filter element. Air pressure must not exceed