CYLINDER AS 3J7521 - Caterpillar

1. Keep the engine speed low until the oil pressure light goes out. If the oil pressure light does not go out within 10 seconds, stop the engine and investigate. 2. Push the panel test switch to the test position to test the indicator lights.3. If the lights do not come on, make any necessary repairs.4. If any of the indicator lights stay on, have any necessary repairs made before operating the machine. 5. Look at the operator's panel frequently during operation. If any of the indicator lights come on, stop the machine, if necessary, and investigate.Warm-Up
Operate the engines at low idle until the hydraulic oil is warm.Test the hydraulic controls. Allow extra warm-up time if they are sluggish. Be sure the scraper neutral-run switch (on 657E only) is in the run position, if scraper engine power will be required.Keep the cab windows and door closed to reduce the noise level in the cab.