How To Maintain

TAKING PROPER CARE OF H2BLU DEF EQUIPMENT AND SOLUTIONS

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DO’S

PURCHASING

  • Only buy Diesel Exhaust Fluid (DEF) from a supplier that sells API certified DEF
  • Utilize suppliers that offer you a complete DEF storage and dispensing solution that is customized to your business needs

USAGE

  • Keep DEF pure in order to ensure the SCR system works effectively and avoids damage
  • Take care to protect your DEF against contamination from such materials as: fuel, oil, grease, water, dust, dirt, metal or detergent
  • Use demineralized/de-ionized water if DEF equipment needs to be cleaned or rinsed internally – don’t use tap water

STORAGE & DISPENSING

  • Only use dedicated DEF equipment for storage and dispensing
  • Insert the DEF nozzle only into the DEF inlet in order to avoid contamination at the dispensing unit
  • Ensure that packaged DEF products such as jugs, drums and IBCs that fleet operators receive from DEF suppliers are sealed
  • Fill the vehicle’s DEF tank with DEF only. It is usually a medium sized, clearly designated tank with a blue filler cap next to or near the vehicle’s fuel tank
  • Store DEF below 30°C and over -11°C to maintain an optimal shelf life of 12 months. When exposed to temperatures below -11°C, DEF will freeze, but it can be thawed without any deterioration in quality
  • Thaw frozen DEF by gently warming the storage container until it has returned to its original state. The vehicle’s system protects itself against frozen DEF in the lines and injector by clearing the dosing lines at switch-off

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DON’TS

PURCHASING

  • Avoid purchasing DEF from a supplier that is not a registered licensee of API
  • Avoid products claiming to be DEF, but called “Urea solution” or similar. If it doesn’t say DEF on the packaging, it’s an inferior product

USAGE

  •  Never use DEF as a diesel additive. It is a common misconception that DEF is a fuel additive
  •  Do not add DEF directly into the fuel tank. If DEF is mistakenly added, do not start the engine
  •  Never add water to the DEF tank
  •  Do not operate your vehicle without DEF. In the long run this may cause damage to your vehicle

On Board Diagnostics detect when there is no DEF and that NOx emissions are beyond legal limits. This will generate a warning and the engine torque will be reduced by up to 40% until DEF is added and NOx emissions return to legal limits. Over-riding the system will affect warranties and you will be operating illegally.


DISPENSING

  • Never fill your DEF tank with anything other than DEF. Use of impure DEF or other liquids like water will cause gradual degrading and subsequent clogging of the catalyst, resulting in costly parts replacement, reduced efficiency and lost time
  • Do not use fuel or lubricant equipment such as funnels, jugs or containers for DEF storage or dispensing as it will contaminate your DEF
  • Never refill previously used DEF containers as they may be contaminated
  • Do not store DEF in direct sunlight

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H2BLU GENERAL MAINTENANCE

CONTAINER

  • Keep totes/drums/jugs out of extreme heat and cold temperatures
  •  Take care to keep product above the absolute minimum of -11°C; preferably above 0°C and below 30°C
  •  Keep dust caps on container valve in full totes when in storage. Clean out dust/debris before using at coupler/insert connection
  •  Develop a periodic maintenance program to clean areas where DEF has crystallized. Use a spray bottle with demineralized/de-ionized water and clean rag
  •  Do not put any other materials in DEF totes, drums or jugs

DISPENSING SYSTEM

  • Mount the DEF pump on a nearby wall or shelf to minimize handling of the equipment. The only handling should be with the coupler/insert connection and dispensing nozzle
  • Ensure dispenser nozzle is kept in holding “holster” to minimize drops and mishandling
  • Develop a periodic maintenance program to clean areas where DEF has crystallized. Use a spray bottle with demineralized/de-ionized water and clean rag
  • Prevent the dispensing nozzle from becoming clogged with buildup by removing it from the hose and soaking it in warm water, then reattach. Soak the Dispense Coupler in warm water (demineralized/de-ionized) to ensure proper functionality of container venting
  • Check the power extension cords for cuts, nicks and abrasions. Do not set the full tote on the power or extension cords
  • Set up a periodic maintenance schedule for testing/replacing batteries in flow meters
  • Avoid running a pump dry and pulling air, which can result in a high leak rate. A replacement seal is inexpensive however, it takes about 15-30 minutes to install
  • Double check new pneumatic pumps for correct regulator pressure of hose air
  • Double check new electric pumps for correct setting of 110V vs. 220V
  • Only turn the hand crank pump one direction in order to avoid sucking air into the pump and causing crystallization

WINTER STORAGE TIPS

  1. Store your DEF (Diesel Exhaust Fluid) between 0°C and 30°C
    • DEF will begin to crystallize and freeze at -11°C. It is always best to store your DEF indoors, but an outdoor heated enclosure (mini bulk, tote cabinet, H2Blu Box) is also acceptable
  2. If DEF freezes in its package, move it to a warmer location until it thaws
    • DEF freezes at -11°C. Freezing will occur first in the hose and nozzle, which will prevent dispensing even if the tank/tote/drum/jug has not frozen yet
  3. Talk to your H2Blu DEF sales representative about other ways to prevent freezing
    • There is a cold weather DEF storage solution for almost any need, including heat blankets, heated enclosures, pipe insulation, tank insulation, heat tracing for pipes and bulk storage. Your H2Blu sales representative can work with you to recommend the right solution for you and your business

Diesel Exhaust Fluid Calculator

Use our calculator to estimate your Diesel Exhaust Fluid use and storage solution needs.


Enter the average fuel consumption of your trucks in Litres (per 100 km)

Enter the average kilometres for a single truck traveled in one year (default is 100000 km p.a.)

Enter the number of SCR trucks you operate


Estimated Results

Estimate Annual Consumption in Liters


Recommended Storage Solution

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