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ZEXEL
105400-9340
1054009340
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105400-9340
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Air Inlet Heater
To aid cold weather starting and reduce white smoke at start-up, the Caterpillar 3114 and 3116 diesel engines are equipped with an electric air heater grid located at the air inlet elbow. The heater control module senses engine oil pressure, engine coolant temperature, and time. Under the proper conditions, the control module activates a switch (solenoid), which turns the heater on and off. The heater grid, solenoid, control module and sensors are part of the engine arrangement.Operation
The air inlet heater system is designed to provide heat prior to start-up, during cranking, and after the engine has started. If the coolant temperature is below the preset limit, the control module allows the heater to stay on for pre-heating up to 30 seconds when the ignition is turned to the RUN position. An indicator lamp in the instrument panel is lit when the unit is on.Lamp Test
When the ignition switch is turned to the RUN position, the control module energizes the switch, supplying the heater element with power for two seconds. The indicator lamp in the instrument panel will illuminate at that time. Failure of the lamp to light indicates a system malfunction. If the coolant temperature is below the preset limit, the system should go directly from the lamp test into the pre-heat cycle (lamp will NOT turn off). For more detailed information on the air inlet heater, consult the Systems Operation section of the Truck Engine Service Manual.Refer to the Truck Owner Manual for starting procedures relating to the use of coolant and/or crankcase oil heaters.Priming Fuel System After Filter Change
After changing the fuel filter(s), prime (purge) the fuel system to remove air bubbes from the system. DO NOT remove the plug in the fuel filter base to release air from the fuel system while priming. Periodic removal of the plug will result in increased wear of the threads in the fuel filter base and lead to fuel leakage. 1. Loosen Fuel Filter Air Bleed Vent Cap two full turns. Unlock and operate the priming pump plunger until fuel appears at the cap. Use a cloth or container to catch excess fuel. Twenty five to thirty pump strokes may be required to fill filter.2. Tighten Fuel Filter Air Bleed Cap and continue to operate priming pump until a resistance is felt. Push the plunger in and tighten by hand and promptly continue with next step.
Do not crank the engine continuously for more than 30 seconds. Allow the starter to cool for two minutes before cranking again.
3. Crank the engine promptly after pressurizing fuel system. The engine should start within 15 seconds.4. If the engine will not start, or once started continues to misfire or smoke, further priming is necessary to help purge fuel system of air before air bubbles enter fuel injectors. Allow starting motor two minutes to cool and repeat step #2 and crank again.5. If the engine starts, but runs rough, then continue to run the engine at low idle until fuel flows free
To aid cold weather starting and reduce white smoke at start-up, the Caterpillar 3114 and 3116 diesel engines are equipped with an electric air heater grid located at the air inlet elbow. The heater control module senses engine oil pressure, engine coolant temperature, and time. Under the proper conditions, the control module activates a switch (solenoid), which turns the heater on and off. The heater grid, solenoid, control module and sensors are part of the engine arrangement.Operation
The air inlet heater system is designed to provide heat prior to start-up, during cranking, and after the engine has started. If the coolant temperature is below the preset limit, the control module allows the heater to stay on for pre-heating up to 30 seconds when the ignition is turned to the RUN position. An indicator lamp in the instrument panel is lit when the unit is on.Lamp Test
When the ignition switch is turned to the RUN position, the control module energizes the switch, supplying the heater element with power for two seconds. The indicator lamp in the instrument panel will illuminate at that time. Failure of the lamp to light indicates a system malfunction. If the coolant temperature is below the preset limit, the system should go directly from the lamp test into the pre-heat cycle (lamp will NOT turn off). For more detailed information on the air inlet heater, consult the Systems Operation section of the Truck Engine Service Manual.Refer to the Truck Owner Manual for starting procedures relating to the use of coolant and/or crankcase oil heaters.Priming Fuel System After Filter Change
After changing the fuel filter(s), prime (purge) the fuel system to remove air bubbes from the system. DO NOT remove the plug in the fuel filter base to release air from the fuel system while priming. Periodic removal of the plug will result in increased wear of the threads in the fuel filter base and lead to fuel leakage. 1. Loosen Fuel Filter Air Bleed Vent Cap two full turns. Unlock and operate the priming pump plunger until fuel appears at the cap. Use a cloth or container to catch excess fuel. Twenty five to thirty pump strokes may be required to fill filter.2. Tighten Fuel Filter Air Bleed Cap and continue to operate priming pump until a resistance is felt. Push the plunger in and tighten by hand and promptly continue with next step.
Do not crank the engine continuously for more than 30 seconds. Allow the starter to cool for two minutes before cranking again.
3. Crank the engine promptly after pressurizing fuel system. The engine should start within 15 seconds.4. If the engine will not start, or once started continues to misfire or smoke, further priming is necessary to help purge fuel system of air before air bubbles enter fuel injectors. Allow starting motor two minutes to cool and repeat step #2 and crank again.5. If the engine starts, but runs rough, then continue to run the engine at low idle until fuel flows free
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Isuzu
Mitsubishi
105400-9340