What to Expect: GenApp OnSite Diesel Polishing Service Step-By-Step

Bill Edwards
GenApp
Published in
3 min readJul 28, 2018

We have a highly technical approach to Diesel Polishing: Clean, Treat, De-water, and Test. Our process is designed to assure generator reliability and compliance with NFPA 110 requirements. Here is what we do:

Check In at Site:

We check-in with your site security, review any site specific security and safety rules, and review the work to be performed with your site personnel.

Setup Work Area:

We move our vehicle and equipment to the parking and work areas, define our work areas with safety markings, and review the generator access.

OnBoard Gen Data:

Our Technician enters site, generator, and fuel tank data into the mobile app and connects to the GenApp cloud.

Connect to Gen Tank:

We install a coaxial fuel pipe with soft tip into the fuel tank main fill of other access port. Then we connect supply and return hoses to filtration unit.

Suction Tank Water:

We use a high-suction pump to remove water from the bottom of the fuel tank and place it in a waste container.

Filter Cycle for Diesel:

The filtration cycle is started. Fuel is transferred through a 5 filter process to remove dirt and absorb water to 1 micron, ISO 18/16/13 quality standard.

Dose Fuel Additives:

During the filtration cycle, fuel treatment additives are dosed for performance, cleaning, bio-treatment, and winterization.

Make Fuel Samples:

At the end of the fuel cleaning and treatment, a fuel sample is extracted into a sample container. This is sent to a lab for analysis per ASTM D975.

Batter Analysis (Option):

The battery test and analysis if performed with a highly specialized fluke meter performing a micro load test to accurately assess the battery.

TopOff Fuel Tank Delivery:

We can top-off your fuel tank to 90% levels up to 50 gallons max. pre-treated fuel, which is all that we have on-board.

Record GenApp Services:

We record the services performed on GenApp mobile and transmit to client, and the GenApp cloud for reference.

Breakdown Work Area:

We keep our work are clean as we go along, but after breaking-down the work area, we do a final inspection

Checkout at Site:

We review the work performed with site personnel and checkout through site security

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Bill Edwards
GenApp
Editor for

Founder and President of Earthsafe Systems and GenApp. We make power reliable in buildings to benefit people who live, work, heal, invent, connect, and serve.