ENGINE AR-COMPLETE 3013082 - Caterpillar

Starting the diesel engine at temperatures above 60°F. (16°C.) using the electric starter or the air starter, may be accomplished without the use of starting aids as instructed in the preceding topics.When using the electric or air starting motor in lower temperatures, the glow plug starting aid, the ether starting aid, or both should be used. Starting aids may also be used with the gasoline starting engine method of starting, however, only experience can determine the temperatures at which the starting aid should be used. The controls should be positioned as instructed in the topic covering the method of starting to be used, and the following additional instructions should be carefully followed. This will permit the quickest possible start and conserve the battery or air supply. See the STARTING AID CHART.When using glow plugs with either air or electric starting, and the engine fails to start after 10 seconds of cranking, release the air valve control, but turn and hold the HEAT-START switch in the HEAT position for about 30 seconds before cranking the engine again. When the starting motor is cranking, the battery voltage is reduced and the glow plugs cool. Reheating them after 10 seconds of cranking makes the glow plugs more effective and conserves the battery or air supply.Do not move the HEAT-START switch to the HEAT position while the engine is warm and running.When using ether for starting, continue cranking until the engine starts. However, do not run the electric starter for more than 30 seconds at a time, then allow 2 minutes intermission before using it again. Starting Between 60° F. and 32° F. Using Glow Plugs: After positioning the controls correctly, the diesel engine may be started as follows. See the topic, GLOW PLUGS.1. Turn the HEAT-START switch to the HEAT position; on earlier engines equipped with a HEAT switch and a START switch, move the HEAT switch to ON for the length of time necessary as indicated in the STARTING AID CHART. Each glow plug uses approximately 5 amperes while the switch is in the HEAT position. This is actually a small amount in comparison to the starter load that is imposed on the battery when the switch is in the START position.2. Turn the switch to the START position. As soon as the engine starts, turn the switch back to the HEAT position until the engine is running smoothly.If the engine fails to start after 10 seconds of cranking, turn and hold the switch in the HEAT position for about 30 seconds before cranking the engine again. When the starting motor is cranking, the battery voltage is reduced and the glow plugs cool. Reheating them after 10 seconds of cranking makes the glow plugs more effective and conserves the battery. Do not turn the switch to the HEAT position while the engine is warm and running.
HEAT-START SWITCH (Later Engines)
CONTROL SWITCHES (Earlier Engines)
1-HEAT switch. 2-START switch.After the engine starts, reduce the engine speed to low idle until the oil pressure