FRAME AS 9W9540 - Caterpillar

Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Lower the boom and retract the counterweight. Stop the engine. Reference: See Operation and Maintenance Manual, "Stopping the Machine" and “Operator Controls” for additional information.
Illustration 1 g01244962
On the center platform of the machine, remove hydraulic oil filler cap (2) in order to relieve the tank pressure. Remove the filler strainer.
Remove four bolts (1) from the cover in order to remove the hydraulic oil filter.
Remove hydraulic oil filter element (3) and properly discard the filter.
Clean the strainer, the filter housing, and the oil filler cap in a clean, nonflammable solvent.
Inspect the seal for the filter cover. If the cover seal is damaged, install a new seal.
Install new hydraulic oil filter element (3).
Install the strainer, the cover, and four bolts (1) for the filter housing.
Inspect the seal on the filler cap. Replace the seal if the seal is worn or damaged. Install the retainer ring and the cap.
Maintain the oil level to the "FULL" mark in sight gauge (5) for the hydraulic oil tank. Add oil, if necessary. Hydraulic Charge Filter
Replace the hydraulic charge filter for the implement hydraulic pump.
Illustration 2 g03558236
Right side view
Replace the charge filter at the same time as the filter in the hydraulic tank.