WASHER 8C0743 - 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, "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.
Illustration 1 g00284791
The high speed oil change (if equipped) is located next to the engine oil dipstick.
The high speed oil change requires a 126-7539 nozzle assembly for changing the oil (if equipped).
Illustration 2 g01243907
The access cover for the drain is removed.
Remove the crankcase drain access cover, which is in the crankcase guard.
Illustration 3 g01164905
Install a 25.4 mm (1.0 inch) pipe into drain valve (3). The pipe should have a 1-11 1/2 NPTF pipe thread.
Clamp a hose to the pipe in order to direct the oil into a suitable container.
Open the drain valve. Allow the oil to drain into a suitable container.
Close the drain valve after all of the oil has drained. Remove the hose and pipe. Install the drain valve access cover.
Remove the engine oil filter element. Discard the engine oil filter element properly. Make sure that all of the old filter seal is removed from the filter base.
Apply a thin coat of clean oil to the new filter seal. Install the new engine oil filter element by hand. When the seal contacts the filter base, tighten the filter element by an additional turn of 270 degrees. Rotation index marks are on the new filter elements. These rotation index marks are spaced at 90 degree intervals. Use these rotation index marks as a guide for proper tightening.
Remove oil filler cap (1). Refer to Illustration 3. Fill the crankcase with new oil. See Operation and Maintenance Manual, "Capacities (Refill)". Clean the oil filler cap. Install the oil filler cap.
Always measure the oil level with oil level dipstick (2) in order to ensure that the correct amount of oil was added.
Maintain the oil level between the "ADD" mark and "FULL" mark on the low idle side of the dipstick. Check the oil level with the engine at low idle and at operating temperature.