CYLINDER BLOCK GP 7N8016 - Caterpillar

TYPE="LEVEL" DEPTH="1" @@@-->Troubleshooting
Troubleshooting can be difficult. On the following pages there is a list of possible problems. To make a repair to a problem, make reference to the cause and correction.This list of problems, causes and corrections, will only give an indication of where a possible problem can be, and what repairs are needed. Normally, more or other repair work is needed beyond the recommendation in the list.Remember that a problem is not normally caused only by one part, but by the relation of one part with other parts. This list can not give all possible problems and corrections. The serviceman must find the problem and its source, then make the necessary repairs.Troubleshooting Problem List
1. Contactor Switch For Water Temperature Does Not Activate Shutoff Solenoid.2. Contactor Switch For Water Temperature Activates At Wrong Temperature.3. Contactor Switch For Oil Pressure Does Not Activate Shutoff Solenoid.4. Electrical Gauges Give Wrong Readings.For information on the 2301 Electric Governor refer to 2301 Electric Governor Service Manual, Form No. SENR2928.Troubleshooting Problems
Problem 1: Contactor Switch For Water Temperature Does Not Activate Shutoff Solenoid. Probable Cause:1. Wrong Connections Check connections, wiring and correct where necessary.2. Failure Of Shutoff Solenoid Check the shutoff solenoid.3. Low Water Level In Cooling System Fill the cooling system.4. Wrong Setting Of Switch Make a test of temperature setting and if necessary install new contactor switch with correct setting. See specifications. Problem 2: Contactor Switch For Water Temperature Activates At Wrong Temperature. Probable Cause:1. Wrong Setting Of Switch Make a test of temperature setting and if necessary install new contactor switch with correct setting. See specifications. Problem 3: Contactor Switch For Oil Pressure Does Not Activate Shutoff Solenoid. Probable Cause:1. Wrong Connections Check connections, wiring and correct where necessary.2. Wrong Setting Of Switch Make a test of temperature setting and if necessary install new contactor switch with correct setting. See specifications. Problem 4: Electrical Gauges Give Wrong Readings. Probable Cause:1. Wrong Connections Check connections, wiring and correct where necessary.2. Sending Units Have A Failure Check the sending units and install new ones if necessary.3. Wrong Sending Unit In System Install correct sending unit.4. Wrong Gauge Install correct gauge.Governor Control Group
Governor Control Group
(1) Bracket. (2) Cylinder head. (3) Inlet manifold. (4) Control assembly.Mount bracket (1) at the fourth and fifth bolt location from the rear of inlet manifold (3) on 3116 Engines. Mount bracket (1) at the second and third bolt location from the rear of inlet manifold (3) on 3114 Engines.Instruments And Gauges
Contactor Switch For Water Temperature
1. Make a heat sink as shown. Material can be brass, steel or cast iron. Drill a 23/32 in. hole through the plate and use a tap to make 1/2 in. NPT threads.
Heat Sink [Dimensions in mm (inches)]2. Put marks on the two contactor wires that connect the contactor to the circuit. Disconnect the two wires.3. Remove the contactor and install a 3J5389 Plug. Install the contactor switch in the heat sink.4. Put the heat sink and contactor in water as shown. Use blocks to