PUMP GP-GEAR 3914486 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot 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.
Clean the area around the drain plug and clean the area around the check/fill plug before you remove the plugs.
Illustration 1 g01179507
Bottom view of the blade circle
Illustration 2 g01070350
Top view of the blade circle
Start the engine. Operate the circle for several minutes to mix the circle drive oil. Stop the engine.
Remove check/fill plug (2). Remove drain plug (1). Allow the oil to drain into a suitable container.
Clean the drain plug and install the drain plug.
Fill the circle drive housing with final drive and axle oil. See Operation and Maintenance Manual, "Capacities (Refill)" and Operation and Maintenance Manual, "Lubricant Viscosities".
Clean the check/fill plug and install the check/fill plug.
Start the engine. Operate the machine for a few minutes. Check the circle drive housing for leaks.
Stop the engine. Remove the check/fill plug and check the oil level. Maintain the oil level to the bottom of the filler opening. If necessary, add oil.
Install the check/fill plug.