DIFFERENTIAL GP 1400252 - Caterpillar

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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
1. Release the pressure in the hydraulic system by slowly loosening the fill cap on top of the hydraulic oil tank.2. Drain the hydraulic oil from the hydraulic oil tank into a suitable container. The capacity of the hydraulic oil tank is 118 liters (31 U.S. gal). 3. Disconnect nine hose assemblies (9) from return oil manifold (2). Cap and plug immediately.4. Remove two nuts and bolts (3), and remove return oil manifold (2) from the bracket. For installation of the return oil manifold, reverse the removal steps. After the return oil manifold has been installed, fill the hydraulic oil tank to the correct level. See the Operation & Maintenance Manual for the correct filling procedure.End By:a. lower operators platform