The Importance of Good Fuel Management & Biodiesel
Fuel management is crucial in keeping the hovercraft fuel system, tanks and engines free from contaminants. Good fuel husbandry will help prevent premature failure of critical components and ensure the smooth running of the hovercraft. As in all GHL manuals, BS EN 590 diesel fuel MUST always be used to fuel the craft, under the BS EN 590 standard it allows the blending of up to 7% Fatty Acid Methyl Ester (FAME) biodiesel with conventional petrochemical diesel. When biodiesel is used in the craft, biocide additive should also be used to ensure Diesel Bug does not occur. The use of this additive will help prevent bacteria, fungi and organic reaction as well as inhibit against sludge formation in the tanks. Once biodiesel has been used, biocide should subsequently be used each time the craft is filled up with, even if this is with petrochemical diesel.
An example of components where Diesel Bug has occurred.
![Dbug3](/media/1476/dbug3.png?width=30&height=13500&quality=100&rnd=133306864291200000 30w,/media/1476/dbug3.png?width=60&height=27000&quality=100&rnd=133306864291200000 60w,/media/1476/dbug3.png?width=90&height=40500&quality=100&rnd=133306864291200000 90w,/media/1476/dbug3.png?width=120&height=54000&quality=100&rnd=133306864291200000 120w,/media/1476/dbug3.png?width=150&height=67500&quality=100&rnd=133306864291200000 150w,/media/1476/dbug3.png?width=180&height=81000&quality=100&rnd=133306864291200000 180w)
![Dbug2](/media/1478/dbug2.png?width=30&height=13500&quality=100&rnd=133306864300330000 30w,/media/1478/dbug2.png?width=60&height=27000&quality=100&rnd=133306864300330000 60w,/media/1478/dbug2.png?width=90&height=40500&quality=100&rnd=133306864300330000 90w,/media/1478/dbug2.png?width=120&height=54000&quality=100&rnd=133306864300330000 120w,/media/1478/dbug2.png?width=150&height=67500&quality=100&rnd=133306864300330000 150w,/media/1478/dbug2.png?width=180&height=81000&quality=100&rnd=133306864300330000 180w,/media/1478/dbug2.png?width=210&height=94500&quality=100&rnd=133306864300330000 210w,/media/1478/dbug2.png?width=240&height=108000&quality=100&rnd=133306864300330000 240w,/media/1478/dbug2.png?width=270&height=121500&quality=100&rnd=133306864300330000 270w,/media/1478/dbug2.png?width=300&height=135000&quality=100&rnd=133306864300330000 300w,/media/1478/dbug2.png?width=330&height=148500&quality=100&rnd=133306864300330000 330w,/media/1478/dbug2.png?width=360&height=162000&quality=100&rnd=133306864300330000 360w,/media/1478/dbug2.png?width=390&height=175500&quality=100&rnd=133306864300330000 390w,/media/1478/dbug2.png?width=420&height=189000&quality=100&rnd=133306864300330000 420w,/media/1478/dbug2.png?width=450&height=202500&quality=100&rnd=133306864300330000 450w,/media/1478/dbug2.png?width=480&height=216000&quality=100&rnd=133306864300330000 480w,/media/1478/dbug2.png?width=510&height=229500&quality=100&rnd=133306864300330000 510w,/media/1478/dbug2.png?width=540&height=243000&quality=100&rnd=133306864300330000 540w,/media/1478/dbug2.png?width=570&height=256500&quality=100&rnd=133306864300330000 570w,/media/1478/dbug2.png?width=600&height=270000&quality=100&rnd=133306864300330000 600w,/media/1478/dbug2.png?width=630&height=283500&quality=100&rnd=133306864300330000 630w,/media/1478/dbug2.png?width=660&height=297000&quality=100&rnd=133306864300330000 660w,/media/1478/dbug2.png?width=690&height=310500&quality=100&rnd=133306864300330000 690w)
![Dbug1](/media/1477/dbug1.png?width=30&height=13500&quality=100&rnd=133306864298030000 30w,/media/1477/dbug1.png?width=60&height=27000&quality=100&rnd=133306864298030000 60w,/media/1477/dbug1.png?width=90&height=40500&quality=100&rnd=133306864298030000 90w,/media/1477/dbug1.png?width=120&height=54000&quality=100&rnd=133306864298030000 120w,/media/1477/dbug1.png?width=150&height=67500&quality=100&rnd=133306864298030000 150w,/media/1477/dbug1.png?width=180&height=81000&quality=100&rnd=133306864298030000 180w,/media/1477/dbug1.png?width=210&height=94500&quality=100&rnd=133306864298030000 210w,/media/1477/dbug1.png?width=240&height=108000&quality=100&rnd=133306864298030000 240w,/media/1477/dbug1.png?width=270&height=121500&quality=100&rnd=133306864298030000 270w,/media/1477/dbug1.png?width=300&height=135000&quality=100&rnd=133306864298030000 300w,/media/1477/dbug1.png?width=330&height=148500&quality=100&rnd=133306864298030000 330w,/media/1477/dbug1.png?width=360&height=162000&quality=100&rnd=133306864298030000 360w,/media/1477/dbug1.png?width=390&height=175500&quality=100&rnd=133306864298030000 390w,/media/1477/dbug1.png?width=420&height=189000&quality=100&rnd=133306864298030000 420w,/media/1477/dbug1.png?width=450&height=202500&quality=100&rnd=133306864298030000 450w,/media/1477/dbug1.png?width=480&height=216000&quality=100&rnd=133306864298030000 480w,/media/1477/dbug1.png?width=510&height=229500&quality=100&rnd=133306864298030000 510w,/media/1477/dbug1.png?width=540&height=243000&quality=100&rnd=133306864298030000 540w,/media/1477/dbug1.png?width=570&height=256500&quality=100&rnd=133306864298030000 570w,/media/1477/dbug1.png?width=600&height=270000&quality=100&rnd=133306864298030000 600w,/media/1477/dbug1.png?width=630&height=283500&quality=100&rnd=133306864298030000 630w,/media/1477/dbug1.png?width=660&height=297000&quality=100&rnd=133306864298030000 660w,/media/1477/dbug1.png?width=690&height=310500&quality=100&rnd=133306864298030000 690w)
Treating Diesel Bug
1 litre of Biocide will treat up to 20,000 litres (50ppm) of diesel in a preventative mode or 1000 litres (1000ppm) if severe Diesel Bug is already present. Biocide can be purchased from GHL in 1 litre bottles under part number FLUI-0027. If severe diesel bug has already set in onboard your craft please contact our support and services team on how we may assist you further on eradicating the problem – Support@griffonhoverwork.com.
EN-590 Spec Table.
![Screenshot 2021 03 17 104120 (1)](/media/1485/screenshot-2021-03-17-104120.png?width=30&height=13500&quality=100&rnd=133306864335870000 30w,/media/1485/screenshot-2021-03-17-104120.png?width=60&height=27000&quality=100&rnd=133306864335870000 60w,/media/1485/screenshot-2021-03-17-104120.png?width=90&height=40500&quality=100&rnd=133306864335870000 90w,/media/1485/screenshot-2021-03-17-104120.png?width=120&height=54000&quality=100&rnd=133306864335870000 120w,/media/1485/screenshot-2021-03-17-104120.png?width=150&height=67500&quality=100&rnd=133306864335870000 150w,/media/1485/screenshot-2021-03-17-104120.png?width=180&height=81000&quality=100&rnd=133306864335870000 180w,/media/1485/screenshot-2021-03-17-104120.png?width=210&height=94500&quality=100&rnd=133306864335870000 210w,/media/1485/screenshot-2021-03-17-104120.png?width=240&height=108000&quality=100&rnd=133306864335870000 240w,/media/1485/screenshot-2021-03-17-104120.png?width=270&height=121500&quality=100&rnd=133306864335870000 270w,/media/1485/screenshot-2021-03-17-104120.png?width=300&height=135000&quality=100&rnd=133306864335870000 300w,/media/1485/screenshot-2021-03-17-104120.png?width=330&height=148500&quality=100&rnd=133306864335870000 330w,/media/1485/screenshot-2021-03-17-104120.png?width=360&height=162000&quality=100&rnd=133306864335870000 360w,/media/1485/screenshot-2021-03-17-104120.png?width=390&height=175500&quality=100&rnd=133306864335870000 390w,/media/1485/screenshot-2021-03-17-104120.png?width=420&height=189000&quality=100&rnd=133306864335870000 420w,/media/1485/screenshot-2021-03-17-104120.png?width=450&height=202500&quality=100&rnd=133306864335870000 450w,/media/1485/screenshot-2021-03-17-104120.png?width=480&height=216000&quality=100&rnd=133306864335870000 480w,/media/1485/screenshot-2021-03-17-104120.png?width=510&height=229500&quality=100&rnd=133306864335870000 510w,/media/1485/screenshot-2021-03-17-104120.png?width=540&height=243000&quality=100&rnd=133306864335870000 540w,/media/1485/screenshot-2021-03-17-104120.png?width=570&height=256500&quality=100&rnd=133306864335870000 570w,/media/1485/screenshot-2021-03-17-104120.png?width=600&height=270000&quality=100&rnd=133306864335870000 600w,/media/1485/screenshot-2021-03-17-104120.png?width=630&height=283500&quality=100&rnd=133306864335870000 630w,/media/1485/screenshot-2021-03-17-104120.png?width=660&height=297000&quality=100&rnd=133306864335870000 660w,/media/1485/screenshot-2021-03-17-104120.png?width=690&height=310500&quality=100&rnd=133306864335870000 690w,/media/1485/screenshot-2021-03-17-104120.png?width=720&height=324000&quality=100&rnd=133306864335870000 720w,/media/1485/screenshot-2021-03-17-104120.png?width=750&height=337500&quality=100&rnd=133306864335870000 750w,/media/1485/screenshot-2021-03-17-104120.png?width=780&height=351000&quality=100&rnd=133306864335870000 780w,/media/1485/screenshot-2021-03-17-104120.png?width=810&height=364500&quality=100&rnd=133306864335870000 810w,/media/1485/screenshot-2021-03-17-104120.png?width=840&height=378000&quality=100&rnd=133306864335870000 840w,/media/1485/screenshot-2021-03-17-104120.png?width=870&height=391500&quality=100&rnd=133306864335870000 870w,/media/1485/screenshot-2021-03-17-104120.png?width=900&height=405000&quality=100&rnd=133306864335870000 900w,/media/1485/screenshot-2021-03-17-104120.png?width=930&height=418500&quality=100&rnd=133306864335870000 930w,/media/1485/screenshot-2021-03-17-104120.png?width=960&height=432000&quality=100&rnd=133306864335870000 960w,/media/1485/screenshot-2021-03-17-104120.png?width=990&height=445500&quality=100&rnd=133306864335870000 990w,/media/1485/screenshot-2021-03-17-104120.png?width=1020&height=459000&quality=100&rnd=133306864335870000 1020w,/media/1485/screenshot-2021-03-17-104120.png?width=1050&height=472500&quality=100&rnd=133306864335870000 1050w,/media/1485/screenshot-2021-03-17-104120.png?width=1080&height=486000&quality=100&rnd=133306864335870000 1080w)