SEAL 5362306 - Caterpillar

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.
Drain the Oil and Change the Element
Operate the machine in order to warm the power train oil. The machine must be level. Lower the attachments with slight down pressure.
Illustration 1 g00484736Use a 126-7538 Nozzle, if equipped with a high speed oil change system. The high speed oil change system removes oil from the sump in the bevel gear case. The high speed oil change system does not remove oil from the torque converter or from the transmission case.
Remove the rear bottom guard.
Illustration 2 g00484767
Remove the plug from the drain in the bevel gear case. Install a 4C-8563 Swivel into the valve. Clamp a hose to the swivel. A 25.4 mm (1 inch) pipe and hose can be used. Use a 25.4 mm (1 inch) pipe with 1-11 1/2 NPTF threads. Do not tighten the pipe.
Turn the swivel or pipe clockwise in order to open the internal drain valve. Allow the oil to drain into a suitable container.
Illustration 3 g00484821
Remove plug (2) from the drain valve in the torque converter. Install a 12.7 mm (.5 inch) pipe into the drain valve. Use a 12.7 mm (0.50 inch) pipe with 1/2-14 NPTF threads.
Clamp a hose to the pipe in order to drain the oil into a suitable container.
Open drain valve (1) and drain the oil into a suitable container.
Illustration 4 g00484830
Remove plug (3) from the drain valve in the transmission. Install a 12.7 mm (.5 inch) pipe into the transmission valve. Use a 12.7 mm (0.50 inch) pipe with 1/2-14 NPTF threads.
Clamp a hose to the pipe in order to drain the oil into a suitable container.
Open drain valve (4) and drain the oil into a suitable container.
Change the filter element. See Operation and Maintenance Manual, "Transmission Oil Filter-Replace".
Close the drain valve in the torque converter. Close the drain valve in the transmission case.
Remove the hoses and remove the pipes from the drains.
Remove the swivel or remove the pipe from the drain in the bevel gear case. The drain valve will close.
Clean the oil drain plugs and install the oil drain plugs. Clean Screens
Screens should be removed and cleaned when the oil is drained. Drain the oil into a suitable container before removing any screen.
Illustration 5 g00484863
Remove torque converter scavenge line (1). Remove the screen.
Illustration 6 g00484867
Remove the suction line for the power train oil pump. Remove screen (2) from the front wall of the bevel gear case.
Illustration 7 g00484873
Remove transmission scavenge screen cover (3). Remove the screen.
Clean three screens in clean, nonflammable solvent.
Install the screens. Install the covers. Fill With Oil
Open the access door for the filler cap. The filler cap