HOSE 4583660 - Caterpillar

Return Air Filter
Illustration 1 g06097489
Remove cover (1), and the return air filter from the air conditioning unit.
Clean the return air filter using pressure air. When using pressure air, the maximum air pressure should not exceed 205 kPa (30 psi).
Install the return air filter, cover (1), to the air conditioning unit.Cab Pressurizer Filter
Illustration 2 g06097490
Loosen clamp bolt (1) and remove end cap (2). Remove the rubber baffle from the end cap. Empty the dust from the end cap.
Install the rubber baffle in the end cap.
Remove the wing nut on the filter element. Remove the filter element.
Clean the filter element with pressure air or wash the element in warm water and a nonsudsing household detergent. When using pressure air, the maximum air pressure should not exceed 205 kPa (30 psi). When using pressure water, the maximum water pressure should not exceed 280 kPa (40 psi).
If washed, rinse the element in clean water and air dry thoroughly.
Install the filter element and the wing nut. Tighten the wing nut finger tight, do not use a tool to tighten the wing nut.
Install end cap (2). Tighten clamp bolt (1) finger tight. Do not use a tool to tighten the clamp bolt.