2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 12Get this manual
6Check the safety element for signs of dirt build-upIf dirt is present on the element, it indicates leak or hole in the dry-paper air filter element and both elements must be replaced7Install the safety element; then install the dry-paper air filter8Check the drain valve in the air filter housing cover for dirt, deterioration, or poor sealingClean or replace as required DE007
3Clean dust and debris from the air filter housing; then remove the cotton-fabric safety element using care not to allow dirt and debris to enter the engineDE015
9Install the air filter housing cover (drain facing downward) and lock it in place by turning clockwise