CORE AS-OCLR 20R0479 - Caterpillar

Illustration 1 g01059455Case drain screen (3) and case drain screen (5) are located in hydraulic line (2) and hydraulic line (4). Hydraulic line (2) and hydraulic line (4) are located behind the hydraulic oil tank (1). Hydraulic line (2) is the case drain for the hydraulic fan pump. Hydraulic line (4) is the case drain for the steering pump.
Disconnect the hydraulic line (2) from the hydraulic tank (1).
Remove the case drain screen (3) from the hydraulic line (2).
Wash the case drain screen (3) in a clean nonflammable solvent.
Dry the case drain screen (3) by using pressurized air.
Inspect the case drain screen (3) for damage. Note: If the case drain screen (3) is damaged, replace the case drain screen (3).
Install the case drain screen (3).
Connect hydraulic line (2).
Repeat Step 1 through Step 7 for hydraulic line (4) and case drain screen (5).