BOLT-PLOW 4F3651 - Caterpillar

Table 1
Related Service Manuals    
Title     Form Number    
D7E Track-Type Tractor Service Manual     KENR5600    
D7E Track-Type Tractor Electrical and Hydraulic Power Train Systems     KENR5604    
Monitoring System     KENR8246    
C9 Engine Troubleshooting     RENR5066    
All Products Air Conditioning and Heating R-134a for All Caterpillar Machines     SENR5664    
D7E Track-Type Tractor OMM     SEBU8589    
Additional References    
Electrical System Schematic     KENR5613    
Hydraulic System Schematic     KENR5608    
Cooling System Schematic     KENR5610     As a reference, a simplified system schematic is included at the end of this manual. For an accurate representation of the machine that is being diagnosed, refer to the Electrical System Schematic in the Service Manual of the machine. During troubleshooting, inspect all harness connections before any component is replaced. If these connections are not clean and tight, permanent electrical problems or intermittent electrical problems can result. Check that the wires are pushed into the connectors completely. Make sure that the connections are tight before other tests are made. Failure of an electrical component may cause the failure of other components. Always attempt to correct the cause of an electrical system failure before you replace a component. If wire insulation is punctured during troubleshooting, repair the damage. Seal the damaged wires with 8T-0065 RTV Silicone Sealant . Cover the sealant with two layers of 1P-0810 Electrical Tape . Electrical System Troubleshooting
Simplified electrical system connection schematics for the Machine are included in this manual. The schematics illustrate the end connections for the control modules and the circuits for the components. The schematics do not illustrate the connectors for the machine harness.Use the schematic of the electrical system that is located in the service manual when troubleshooting any part of the electrical system in this machine. The schematic in the Service Manual will illustrate the complete information for the circuits on the machine.Basic Troubleshooting Practice
Poor connections can often be the cause of a problem in an electrical circuit. When a problem is suspected to exist in a particular circuit, examine the machine wiring harness connectors that are used in the circuit. Verify that each of the connection points in the circuit are clean, dry and in good condition. If the connections are not in good condition, permanent electrical problems or intermittent electrical problems can result. Check that the wires are securely terminated in the pin or socket. Ensure that the pin or socket is seated correctly and locked in the connector body. Ensure that all of the connections in the suspect circuit are in good condition before other tests are performed.When a troubleshooting procedure instructs you to "REPAIR THE HARNESS OR REPLACE THE HARNESS", use the Electrical Schematic to investigate a circuit. Perform resistance checks between the harness connectors in a circuit in order to locate harness failures. Always check the ground circuit at the machine harness connector for the components. For machine ground circuits, less than 5 ohms of resistance is required between the