STUD-BALL 3426093 - Caterpillar

Keep engine speed low until the engine oil pressure registers on the gauge. If it does not register within ten seconds, stop the engine. Investigate the cause before restarting the engine. Failure to do so can cause engine damage.
1. Allow a cold engine to warm up at LOW IDLE for at least five minutes.2. Look at the gauges and indicator lights frequently during operation.If the alternator indicator light remains on or gauges fail to register properly, make necessary repairs before operating the machine.3. Cycle all controls to allow warm oil to circulate through all cylinders and lines.When idling the engine for warm-up, observe the following recommendations:* In temperatures above 0°C (+32°F), warm-up requires approximately 15 minutes.* In temperatures below 0°C (+32°F), warm-up requires approximately 30 minutes or more.* In temperatures below -18°C (0°F) or if hydraulic functions are sluggish, more time may be required.