116 Maintenance Section
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Drive Shaft Universal Joint Bolts - Check
1. Open the engine enclosure. 2. Slide out retaining clip (1). 3. Release cover (2) from air filter housing (3) by rotating counterclockwise. Remove the cover from the housing. 4. 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.
Illustration 212 Locations of the Universal Joints
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5. If the primary element is not damaged, you may clean the primary element. Refer to Operation and Maintenance Manual, "Cleaning Primary Air Filter Elements". 6. When you clean the inside of the pleats, direct the air along the pleats. Inspect the primary element after you clean the primary element. 7. 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. 8. Install a clean primary element. 9. Install the cover.
Illustration 213
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Ensure that the bolts for the front drive shaft universal joints and the rear drive shaft universal joints are tightened to the correct standard torque. Refer to the appropriate Service Manual for the correct torque.
10. Reset the engine air filter service indicator by pressing button (5).
Engine Air Filter Primary Element - Clean/Replace Note: The primary air filter element can be used up to three times if the element is properly cleaned and inspected. Replace the primary air filter element if the element has been in service for 500 hours or six months. This replacement should be performed regardless of the number of cleanings.
Illustration 215
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11. 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". 12. Close the engine enclosure. Illustration 214
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