TUBE AS 3954216 - Caterpillar

Hot oil and components can cause personal injury.Do not allow hot oil or 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, "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.
Obtain the hydraulic oil sample as close as possible to the recommended sampling interval. The recommended sampling interval is every 500 service hours. In order to receive the full effect of S O S oil analysis, you must establish a consistent trend of data. In order to establish a pertinent history of data, perform consistent oil samplings that are evenly spaced.
Illustration 1 g01042874
Rear view
Open the engine access door that is located on the left side of the engine compartment. The hydraulic oil sampling port is located on the top left side of the hydraulic oil cooler (1) . The oil sampling port is behind the radiator group (2) and above the aftercooler (3) , as shown.
Illustration 2 g01387490
Wood chip or waste handling arrangementSingle plane (cooling system)
For the wood chip or waste handling arrangements, the oil sampling port is located on a manifold on the inside of the left frame rail.
Remove the protective cap from the oil sampling port.
Use an 8T-9190 Fluid Sampling Bottle to obtain the sample.
After you take a sample, remove the cap with the tube and the probe from the bottle. Discard the cap with the tube and the probe. Install the sealing cap that is provided with 8T-9190 Fluid Sampling Bottle .
Replace the protective cap.
Close the access door.For additional information about hydraulic system oil, see Operation and Maintenance Manual, SEBU6250, "Caterpillar Machine Fluids Recommendations" or consult your Caterpillar dealer.