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Generator Technician inspecting a unit.

Generator Maintenance Checklist

It’s a trust exercise any time we hire an outside expert for service. Whether it’s diagnosing an issue with your laptop, inspecting your auto brakes, or in quarterly maintenance appointments for a backup generator, we trust that the technician will cover all bases. Duthie Power Services prides itself on the knowledge base in our team of technicians, so we asked the team to help us put together a generator maintenance checklist for customers.

Below is a breakdown of important maintenance items to help you feel more informed the next time you book a generator maintenance appointment. If you’re looking for more specific guidance on how to diagnose an issue, let us know at[ultimate_heading main_heading=”Pre-startup checklist” alignment=”left” main_heading_style=”font-weight:bold;” main_heading_margin=”margin-top:20px;margin-bottom:20px;”][/ultimate_heading][ultimate_icon_list icon_size=”26″][ultimate_icon_list_item icon=”Defaults-check-square-o”]Walk around your generator and take a few minutes to generally look it over. Look for things like fluid leaks, animal feces, trash and any new damage that may have occurred since your last inspection. Is there any debris that can be sucked up and cause damage?[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Keep a logbook. Not only can it be helpful to monitor trends and help diagnose future problems, but it may also be required.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Become familiar with where vital fluid level check stations are located. For example, oil level dip stick, fuel level gauge and coolant level. Are vital fluid levels normal?[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Look at battery terminals and overall condition. Are the terminals clean? Does the battery appear to be swelling or leaking? Does your battery charger have any indicators to show it’s normal?[/ultimate_icon_list_item][/ultimate_icon_list][ultimate_heading main_heading=”Test running your generator” alignment=”left” main_heading_style=”font-weight:bold;” main_heading_margin=”margin-bottom:20px;”][/ultimate_heading][ultimate_icon_list icon_size=”26″][ultimate_icon_list_item icon=”Defaults-check-square-o”]Notify any required entities that a generator test is going to be happening for when and how long.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Manually start the generator. Listen for any abnormal sounds or difference from the last test.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Momentarily monitor generator control panel gauges: engine oil pressure, coolant temperature, generator frequency and generator voltage. If all seems to be normal, walk around the generator and look for leaks that may be present.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Repeat step number 3 for the duration of the desired test.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]When the duration of the test is over, turn the generator off and again listen for any abnormal noises.[/ultimate_icon_list_item][/ultimate_icon_list][ultimate_heading main_heading=”Post startup checks” alignment=”left” main_heading_style=”font-weight:bold;” main_heading_margin=”margin-bottom:20px;”][/ultimate_heading][ultimate_icon_list icon_size=”26″][ultimate_icon_list_item icon=”Defaults-check-square-o”]PLACE CONTROLS BACK IN AUTO AND ENSURE THE GENERATOR OUTPUT BREAKER IS CLOSED.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Record reading from test run in logbook.[/ultimate_icon_list_item][ultimate_icon_list_item icon=”Defaults-check-square-o”]Again, visually check the generator and surroundings for leaks or debris.[/ultimate_icon_list_item][/ultimate_icon_list]At Duthie Power, we make scheduling your generator services easy. We have automatic reminders as well as an online scheduling option. We also keep copies of all your service reports to keep you in compliance. For assistance with any of your equipment maintenance needs, call us at (562)790-1772 or email

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