The colors and the sizes of the wires that are shown in the Electric Circuit Diagram are identified and described in the following chart: Table…
The following references should be used to locate the components and connectors for the machine that is being serviced: Electrical System Schematic, Parts Manual and…
The following service tools should be used in order to troubleshoot the electrical system easily: 146-4080 Digital Multimeter 8T-3224 Needle Tip (Multimeter) 7X-1710 Multimeter Probe…
Troubleshooting the electronic control system will require additional information from the Service Manual of the machine. The reference material should be consulted: the Electrical System…
Alternator The frequency output terminal of the alternator is connected to connector contact 2-35 of the controller. The controller will monitor the signal on this…
Illustration 1 g00685478 Governor Actuator Note: The 325C, M325C MH, and 330C do not have governor actuators. The operator selects an engine speed by placing…
Power Shift Solenoid The proportional reducing solenoid valve changes the electrical signal from the controller into a hydraulic signal for the hydraulic pump. The hydraulic…
Fuel Level Sender Illustration 1 g00685266 Fuel Level Sender The fuel level sender is attached to a float in the fuel tank. As the fuel…
Sensors provide information to the controller about changing conditions. Some types of information are listed: speed, temperature and fluid level. The sensor signal changes in…
Engine Speed Dial Switch Illustration 1 g00629971 Engine Speed Dial Switch The positions of the engine speed dial switch are designed to inform the controller…