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PM1 Generator Maintenance: The Comprehensive 31-Point Inspection

PM1 Generator Maintenance:
The Comprehensive 31-Point Inspection

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    PM1 Generator Service

    Generator Source’s Certified 31-Point Inspection Process

    Every quarter, your industrial or commercial generator needs a Preventative Maintenance 1 (PM1) inspection to ensure it’s ready to perform when you need it most. Our comprehensive 31-Point Inspection evaluates every critical system and component, identifying potential issues before they cause failures or costly downtime.

    This systematic approach ensures no component is overlooked and provides a complete picture of your generator’s health. Each inspection item has been carefully selected based on decades of field experience and manufacturer recommendations.

    Generator Source 31 Point Certified Inspection Process

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      PM1 Inspection Items

      Maintenance Item PM 1 PM 2 PM 3 Load Bank Test
      Air Inlet System & Air Filters
      Alternator
      Barrel Insulation
      Batteries
      Battery Charger
      Bearings
      Block Heater
      Breakers
      Collect Oil & Coolant Samples
      Controller
      Coolant & Coolant Filters
      Crankcase Breather(s)
      Engine Oil & Oil Filters
      Exhaust Manifold
      Fan and Fan Drive
      Fuel Filters – Primary / Secondary
      Fuel Lines
      Fuel Tank
      Gauges
      Governor
      Hoses & Connections
      Jacket Water Heater
      Radiator
      Remote Annunciators & Alarms
      Safety Controls
      Starter
      Turbocharger(s)
      Vibration Isolators
      Voltage
      Water Pump
      Water Separator
      Additional Service Items
      Change Oil
      Change Filters (Oil, Coolant, Fuel, Air)
      Change Coolant
      Change Rubber Hoses & Belts
      Change Thermostats & Gaskets
      Collect Fuel Samples Upon Request Upon Request Upon Request
      Transfer Test Upon Request Upon Request Upon Request
      Visual ATS Inspection Upon Request Upon Request Upon Request
      Change Batteries Upon Request Upon Request Upon Request
      Load Bank Test
      Accurate Temperature Gauge Test
      Auto Start Test & Tag Verifications
      Check Temperature with Heat Gun
      Coolant Leaks
      Engine Alternator Test
      Full Rating Tests
      Gauge Adjustment Tests
      Gauge Compliance Tests
      Oil Leaks
      Pre-Alarm Verification
      Shut Down Verification

      PM1 Inspection Items

      Maintenance Item
      Air Inlet System & Air Filters
      Alternator
      Barrel Insulation
      Batteries
      Battery Charger
      Bearings
      Block Heater
      Breakers
      Collect Oil & Coolant Samples
      Controller
      Coolant & Coolant Filters
      Crankcase Breather(s)
      Engine Oil & Oil Filters
      Exhaust Manifold
      Fan and Fan Drive
      Fuel Filters – Primary / Secondary
      Fuel Lines
      Fuel Tank
      Gauges
      Governor
      Hoses & Connections
      Jacket Water Heater
      Radiator
      Remote Annunciators & Alarms
      Safety Controls
      Starter
      Turbocharger(s)
      Vibration Isolators
      Voltage
      Water Pump
      Water Separator

      Recommended PM Schedule

      PM2 + Load Bank Test

      (PM1 + All Filters & Oil Change)

      PM3 Inspection

      (PM2 + Coolant, Hoses, Gaskets & Thermostats Change)

      Still have questions or looking for more information?

      Generator Source specializes in low-hour, used, new, and surplus generator sets. We have a wide variety of generator sizes and models to fit any project. We are not a broker, we own what we sell.
      Call us today (877-866-6895) or click Contact Us to be connected with one of our experienced sales reps. 
      We have 350+ generators in stock and ready to ship!

      Still have questions or looking for more information?

      We Sell & Service All Major Brands

      What They’re Saying

      I needed to upgrade my pecan processing plant. The equipment I need is 3 phase and I only have single phase at my location. The electric company is slow to respond and I also figured that it would not be feasible. I thought maybe a generator would work instead. I started out with an internet search and the first company that came up was Generator Source. When I brought up the website, it was very informative and had a very good selection of generators with lots of pictures. When I contacted you, you were very helpful and had several generators to choose from. I felt I really didn’t need to look anywhere else. Shipping was prompt, and the unit was just as shown in pictures.

      Craig Tharp, C&C Pecan Ent

      Great folks to work with. Techs are very knowledgeable and the office personnel are extremely responsive and helpful.

      Beth Penzone

      Great staff. Quick response, easy to understand the quote. Had my whole house generator humming within 24 hours of our first call. Highly recommend these guys. They’re the best.

      Arcenious Armond

      Excellent service ! The company that installed my original whole house generator went out of business. I couldn’t get another company to even respond to a phone call for continuing maintenance on my generator ! I called Generator Source and they came out the next day and serviced my generator with professional, friendly service. I absolutely will use this company again for my ongoing maintenance. Thanks Andrew and Oliver !!!

      Richard Maddux

      Excellent company. Extremely knowledgeable technician and staff. I definitely recommend them.

      Steven Coffey

      These guys do great work

      Rob T

      Fast and efficient work. Friendly and courteous by KO

      Terry Brown

      Elite Diesel has amazing service

      Natalia and Symantha Lizotte

      The sale staff was friendly and helpful and very courteous

      Jc McDonald
      Greg Clarke
      Ali Ali

      Everyone there is very nice. Helpful and the facility is very clean.

      Steven Martinez