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Mechanic performing machinery maintenance

Generator Maintenance & Service

Technician performing generator maintenance

Keep Your Generator Ready For When You Need It Most

J&H Power Solutions provides generator maintenance and repair services for residential and commercial systems across the DMV area and North Carolina. 

Preventative Generator Maintenance Plans

Routine maintenance is the most important step in ensuring your generator performs when needed. Like any engine, your generator requires consistent service to stay in proper working condition.


J&H Power Solutions offers generator maintenance plans designed to keep your system operating reliably and reduce the risk of unexpected failure.

What’s Included in Maintenance

Our maintenance plans include a scheduled yearly service visit where our team performs a full system check and essential maintenance.

Our 30 point inspection includes:

  • Indicate oil level prior to change 

  • Clean air vents 

  • Check fuel regulator vent

  • Check for oil leaks 

  • Clean battery terminals 

  • Check electric operation

  • Change oil synthetic 5W30 

  • Load test battery 

  • Check starter

  • Change spark plugs 

  • Battery charge reading if needed 

  • Check starting sequence

  • Change oil filter 

  • Inspect foam seals 

  • Record engine hours

  • Tighten oil lines if needed 

  • Inspect fuel line in cabinet 

  • Record frequency

  • Lubricate door hinges 

  • Inspect air intake boots 

  • Record voltage output

  • Clean oil cooler 

  • Inspect vibsorber Manual start

  • Clean interior of cabinet as needed 

  • Inspect exhaust for cracks or leaks 

  • Change air filter as needed 

  • Check carburetor linkage 

  • Replace pre-approved parts

Why Enroll in a Maintenance Plan

  • Ensure your generator is ready to perform when you need it most.

  • Routine service helps prevent issues caused by long periods of inactivity.

  • Proper maintenance reduces wear and helps protect your investment.

  • Work with a team that understands your system and maintains it consistently.

Enroll in Maintenance

If you are interested in enrolling in a maintenance plan, fill out the form below and a member of our team will be in touch shortly to review your system and next steps.

Submit your information and a J&H representative will contact you to get your maintenance plan started.

Man servicing outdoor power unit

Generator Service & Repair

If your generator is not working properly or has failed during an outage, our team can help diagnose and address the issue.


J&H Power Solutions provides generator service and repair for qualifying systems. Whether your system is not starting, not producing power or showing signs of failure, we will assess the issue and determine the appropriate solution.

Common Service Requests

Commercial generator

System shuts down unexpectedly

Generator will not start

Generator not producing power

General performance issues

Warning lights or error codes

Our team uses decades of experience to quickly identify problems and recommend the best path forward.

A technician explains an outdoor home generator to two homeowners.
Hard hat on HVAC unit undergoing maintenance

Request Generator Service

If you need a one-time service visit or repair, submit a request and our team will follow up to gather details and schedule next steps.

Tell us about your issue and a member of our team will contact you shortly.

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