RING-RETAINING 1S3781 - Caterpillar

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the 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.
Table 1
Required Tools
Tool Part Number Description Qty
A 176-6545(1) Drain Swivel As 1
5P-1293 Hose
50.8 mm (2.0 inch) ID 1(2)
(1) Optional - use a 1 1/2 inch NPTF pipe in order open the drain valve
(2) The required length of the hose will be determined by the application.
Illustration 1 g02089013
Typical example of a CX31–P600 Petroleum Transmission with drop box
(1) Suction screen
(2) Magnetic filter
(3) Access plate with three M8x1 bolts
(4) Magnetic drain plug
(5) Ecology drain plate
Remove ecology drain plate (5) from the bottom of the drop box and allow the oil to drain into a suitable container.
Remove magnetic drain plug (4) from the bottom of the drop box and inspect the plug for large particles of debris. An excessive amount of debris may be an indication of possible failure. Discolored oil or oil with an odor requires a careful analysis of S O S results. If large particles are found, consult your Caterpillar dealer for further analysis and additional guidance.
After the oil has drained from the transmission case, clean the drain plug before reinstal