LINES GP-HYDRAULIC 4220128 - Caterpillar

Personal injury or death can occur if personnel are trapped between the wheel and the frame.The steering system is hydraulically controlled and wheels can crush personnel during movement.Use caution when working between the wheels and the frame. If the wheels must be turned, ensure that all personnel are clear of the machine before any movement.
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
Note: The power train oil filter is the oil filter for the transmission/torque converter.
Park the machine on a level surface and stop the engine. Make sure that the transmission control is in the PARK position.
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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.
Remove drain plug (2) from filter housing (1). Drain the oil into a suitable container. Clean the drain plug and install the drain plug.Note: Removing the drain plug from the bottom of the power train oil filter may not allow all of the oil to drain from the filter housings. When you remove the filter housing and the filter element, be careful to avoid contact with hot oil.
Remove the filter housing and the filter element. Properly discard the used filter element.
Wash the filter housing in clean nonflammable solvent.
Inspect the seal in the filter base. If the seal is damaged, replace the seal with a new seal.
Install the new filter element in the housing. Install the housing.
Start the engine and operate the engine at low idle. Check for any leaks and make the necessary repairs.
Check the oil level in the transmission and torque converter system. If necessary, add oil. Refer to Operation and Maintenance Manual, "Torque Converter and Transmission Oil Level - Check" for the proper procedure.