Diesel fuel degrades over time and is susceptible to contamination. The fuel, pipes, filters and injection equipment need to checked periodically as this contaminated fuel passes through these parts regularly.
Do not neglect to monitor the condition of the battery charger and starter motor. This is usually the most common reason for a generator set to fail.
Leaking coolant or a poor coolant mixture can lead to overheating of the system, which would most likely cause a great deal of damage, sometimes leading to changing parts.
Filters are used to avoid contamination of systems that can lead to failure and reduce performance. Ensure that the filters are cleaned regularly.
Switch contacts in the electrical control systems must be regularly checked & cleaned. Poor contacts generate excessive heat and leave carbon deposits that ultimately cause the contacts to fail.
Technicians performing preventive maintenance should verify that parts like the radiator hoses and other fuel or electrical connections are connected well and are not leaking.
Preventive maintenance schedules call for specific checks for corrosion of wiring, piping, fixtures, ancillaries and other components exposed to the elements.
Any mechanical system is subject to wear & tear. Preventive maintenance technicians check known vulnerable components, such as belts, for tightness or wear & tear. They also verify that all fittings are tightened to the right torque settings.