CORE AS-OIL COOLER 4305381 - Caterpillar

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Remove the seat. Refer to Disassembly and Assembly, "Seat - Remove and Install" in this module.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
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, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Mark all components for correct installation. When you disconnect the hoses, cap the connections in order to keep the system clean.
Remove the floorplates.
Illustration 1 g00630418
Disconnect two hoses (1).
Disconnect hoses (2) and (3).
Illustration 2 g00630419Note: The steering motor weighs 43 kg (95 lb).
Attach a nylon strap and a suitable lifting device to the steering motor. Remove two bolts (4) and remove the steering motor. The steering motor has a splined shaft. Raise the steering motor past the end of the splines .