SLUG 9U8075 - Caterpillar

When operating in any of the conditions or environments outlined in this Operation and Maintenance Manual, Severe Service Application, use S O S Services oil analysis to determine the best oil and filter change interval.When S O S Services are not used in severe service applications, the oil and filter change interval should be every 250 hours..If you select an interval for oil and filter change that is too long, you may damage the engine.
Reference: Operation and Maintenance Manual, "Lubricant Viscosities"Reference: Operation and Maintenance Manual, "Maintenance Interval Schedule"Reference: Operation and Maintenance Manual, "Severe Service Application"Reference: Operation and Maintenance Manual, "S O S Information"Use the table below to determine the appropriate oil and filter change interval.
Table 1
Selection of Oil and Filter Change Interval
Conditions Interval
CatRecommended Fluids CatFilters utilized S O S Services utilized
Standard Service Application YES YES YES 1000 hours
YES YES NO 500 hours
YES NO YES 500 hours
NO YES YES 500 hours
NO NO NO 250 hours
Severe Service Application NO NO NO 250 hours
YES YES NO 250 hours
YES YES YES Use S O S(1)
YES NO YES Use S O S(1)
NO YES YES Use S O S(1)
(1) If operating in any of the conditions or environments outlined in the Severe Service Application, use S O S Services oil analysis to determine the best oil change interval.Procedure for Changing the Oil
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, PERJ1017, "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.
Open the engine hood.
Open or remove the right side engine panel.
There is a drain plug on both sides of the oil pan. Remove one of the drain plugs and allow the oil to drain into a suitable container. Install the drain plug.
Illustration 1 g03891746
Use a strap type wrench to remove the engine oil filter from the right side of the engine. Inspect the oil filter.
Clean the filter mounting base. Make sure that all of the used gasket has been completely removed.
Illustration 2 g00101318
Apply a thin coat of oil to the seal on the new engine oil filter. Install a new engine oil filter hand tight until the seal of the engine oil filter contacts the base. Note the position of the index marks on the filter in relation to a fixed point on the filter base.Note: There are rotation index marks on the engine oil filter that are spaced 90 degrees or 1/4 or a turn away from each other. When you tighten the engine oil filter, use the rotation index marks as a guide.
Tighten the filter according to the instructions that are printed on the filter. Use the index marks as a guide. For non-Caterpillar filters, use the instructions that are provided with the filter.Note: You may need to use a strap wrench, or another