
1. Always start the crusher correctly Verify that the tank oil temperature is between 86F (30C) and 90F (32C) Start the lube pump and circulate the oil Start the crusher drive motor and allow the crusher to come to full speed Run the crusher with no load (empty) until the return oil temperature is above 65F (18C) May 26, 2013 Engine oil temperature for optimal lubrication - unthrottled. Generally speaking, optimum sump temperature is 80-100C. Sump temperatures up to 120C are ok, albeit with increased oil oxidation. Oil warm up is slow-much slower than coolant. 15-20 minutes from cold start would be a