D11R Track-Type Tractor C32 Engine Retrofit Supplement Caterpillar


Engine and Machine Warm-Up

Usage:

D11R 7PZ


Illustration 1g00111768


NOTICE

Keep engine speed low until the engine oil pressure registers on the gauge or the engine oil indicator light goes out.

If it does not register or the light go out within ten seconds, stop the engine and investigate the cause before starting again. Failure to do so, can cause engine damage.


  1. Allow a cold engine to warm up at low idle for at least 5 minutes. Engage the implement controls and disengage the attachment controls in order to help warm-up of the hydraulic components.

    Cycle all of the controls in order to allow the warm oil to circulate through all of the cylinders and all of the lines.

  2. All fault lights should turn off. The fault alarm should turn off. If the fault lights do not turn off, stop the engine. Make any necessary repairs before you start the engine.


    Illustration 2g00456556

  3. Frequently look at the action light and the gauge display during operation.

  4. Look at the hydraulic oil tank and the transmission oil levels. Maintain the oil levels to the "FULL" marks.

Elevated Low Idle

If the jacket water coolant temperature is less than 70° C (158° F), the ECM will set the cold start conditions. The brakes must be applied and the machine must be in the low idle setting. The system will activate after 10 minutes. Low idle RPM may be increased to 1000 RPM and engine power will be limited. Ether may be injected by the ECM, if necessary. Cold Mode will be deactivated when the engine is above 60°C (140°F) or after 14 minutes of engine operation.

Elevated low idle can be disabled by placing the transmisson in gear from Neutral or releasing the parking brake. Cold Mode may reactivate if the temperature conditions still exist and the transmission is not in gear. Cold Mode also varies the fuel injection amount and timing for limiting white smoke.

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