LINKAGE AS 2500771 - 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, "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.
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.
Operate the machine until the oil is warm and the oil is well circulated. Park the machine on a level surface. Ensure that the parking brake is fully engaged. Lower the truck body or OEM attachment and shut off the engine.
Illustration 1 g00740248
Drain plug (1) for the transfer gear is located on the bottom of the transfer gear case.Note: Before you change the oil, block the front frame of the machine.
Remove the drain plug and allow the oil to drain into a suitable container.
Clean the drain plug and install the drain plug.
Illustration 2 g00740253
Remove bolts (2) and cover (3) from the machine. This will allow access to the drain plug for the transfer gear oil tank.The drain plug is located underneath the machine on the front left side.
Remove the drain plug and allow the oil to drain into a suitable container.
Install the drain plug, cover (3), and bolts (2) .
Raise the hood.Refer to Operation and Maintenance Manual, "Hood Control".
Illustration 3 g00702070
Oil filler cap (4) for the transfer gear oil tank is located on the left side of the engine compartment. The oil level gauge is attached to the oil filler cap.
Unscrew and then remove the oil filler cap. Add the oil for the transfer gear.Refer to Operation and Maintenance Manual, "Capacities (Refill)" and refer to Operation and Maintenance Manual, "Lubricant Viscosities".
Clean the oil level gauge and the oil filler cap. Install the oil filler cap.
Start the engine. Operate the machine until the oil is at operating temperature. Inspect the transfer gear case for leaks.
Remove the oil filler cap and check the oil level on the oil level gauge. Note: Refer to Operation and Maintenance Manual, "Transfer Gear Oil Level - Check" for more information.
Clean the oil level gauge and the oil filler cap.
Install the oil filler cap and tighten.
Shut off the engine.
Clean up oil spills.
Lower the hood. Refer to Operation and Maintenance Manual, "Hood Control".