AXLE GP-REAR 3994735 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
Note: The steering system and the hydraulic fan drive motor for the engine share common hydraulic oil.Obtain S O S samples as close as possible to the recommended sampling interval. In order to receive the full effect of S O S analysis, establish a consistent trend of data. In order to establish a pertinent history of data, perform consistent samplings that are evenly spaced. Supplies for collecting samples can be obtained from your Cat dealer.
Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".
Illustration 1 g03443620
Oil sampling valve (1) for the steering hydraulic system
Obtain a sample of the steering system oil through sampling valve (1). Take the oil sample when the engine is operating at low idle.
Submit the sample for S O S analysis. Refer to the following publications for S O S information:
Operation and Maintenance Manual, "S O S Information"
Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations", "S O S Services Analysis"
Special Publication, PEGJ0047, "How to Take a Good S O S Sample"
Special Publication, PEGJ0046, "S O S Services: Understanding Your Results"
Special Publication, PEHJ0191, "S O S Fluid Analysis"