COVER-TORQUE CONVERTER 6T1432 - Caterpillar

Interval
Note: If Cat HYDO Advanced 10 hydraulic oil is used, the hydraulic oil change interval will change. The normal interval of 2000 hours is extended to 3000 hours. S O S services may extend the oil change even longer. Consult your Caterpillar dealer for details.Cat HYDO Oil Change Interval
The standard Cat HYDO oil change interval is every 2000 service hours or 1 year.A 4000 service hour or 2 year maintenance interval for hydraulic oil (change) is available. The extended interval requires S O S monitoring of the hydraulic oil. The interval for S O S monitoring is every 500 hours. The maintenance interval for the hydraulic oil filter is not changed.Machines that are used in severe conditions are not included in the 4000 service hour or the 2 year maintenance interval. Machines that are used in severe conditions must use the interval in the Maintenance Interval Schedule.Cat HYDO Advanced 10 Oil Change Interval
The standard Cat HYDO Advanced 10 oil change interval is every 3000 service hours or 18 months.A 6000 service hour or 3 year maintenance interval for hydraulic oil (change) is available. The extended interval requires S O S monitoring of the hydraulic oil. The interval for S O S monitoring is every 500 hours. The maintenance interval for the hydraulic oil filter is not changed.Machines that are used in severe conditions are not included in the 6000 service hour or the 3 year maintenance interval. Machines that are used in severe conditions must use the interval in the Maintenance Interval Schedule.ReferenceRefer to Operation and Maintenance Manual, "Lubricant Viscosities" for more information on hydraulic oils.Procedure
Change the Hydraulic System Oil
At operating temperature, the hydraulic tank is hot and under pressure.Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.
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.
Operate the machine in order to warm the oil.Park the machine on level ground. Make sure that no one is endangered before raising the boom or raising the hook. Fully retract the counterweight. Engage the parking brake and stop the engine.ReferenceSee Operation and Maintenance Manual, "Stopping the Machine" for additional information.
Illustration 1 g01209482
Remove hydraulic tank filler cap (1) slowly in order to relieve any pressure.
Wash the filler strainer and the filler cap in a clean nonflammable solvent.
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Remove oil drain plug (3) that is located on the left side of the machine on the