Biodiesel Fuel - Worldwide Construction And Forestry Division 380GLC Operator's Manual

Biodiesel Fuel

Biodiesel is a fuel comprised of monoalkyl esters of long
chain fatty acids derived from vegetable oils or animal
fats. Biodiesel blends are biodiesel mixed with petroleum
diesel fuel on a volume basis.
Before using fuel containing biodiesel review the Biodiesel
Use Requirements and Recommendations in this
Operator's Manual.
Environmental laws/regulations may encourage or
prohibit the use of biofuels. Operators should consult
with appropriate governmental authorities prior to using
biofuels.
US/Canada
While 5% blends are preferred (B5), biodiesel
concentrations up to a 20% blend (B20) in petroleum
diesel fuel can be used in all John Deere engines.
Biodiesel blends up to B20 can be used ONLY if the
biodiesel (100% biodiesel or B100) meets ASTM D6751
(US), EN 14214 (EU), or equivalent specification. Expect
a 2% reduction in power and a 3% reduction in fuel
economy when using B20.
Biodiesel concentrations above B20 may harm the
engine's emission control systems and should not be
used in the US and Canada. Risks may include, but
not be limited to, more frequent exhaust filter parked
cleanings, soot accumulation, and increased intervals for
ash removal.
Biodiesel users in the U.S. are strongly encouraged
to purchase biodiesel blends from a BQ9000 Certified
Marketer and sourced from a BQ9000 Accredited
Producer (as certified by the National Biodiesel Board).
Certified Marketers and Accredited Producers can be
found at the following website: http://www.bq9000.org.
Other regions
John Deere engines can operate on biodiesel blends
below and above B20 (up to 100% biodiesel). Operate
at levels above B20 ONLY if the biodiesel meets the
EN 14214 specification (primarily available in Europe).
Engines operating on biodiesel blends above B20 may
not fully comply with all applicable emissions regulations.
Expect up to a 12% reduction in power and an 18%
reduction in fuel economy when using 100% biodiesel.
John Deere approved fuel conditioners containing
detergent/dispersant additives are required.
Biodiesel Use Requirements
The petroleum diesel portion of all biodiesel blends must
meet the requirements of ASTM D975 (US) or EN 590
(EU) commercial standard.
When using biodiesel fuel, the fuel filter may require more
frequent replacement due to premature plugging. Check
engine oil level daily prior to starting engine. A rising oil
level may indicate fuel dilution of the engine oil.
Maintenance—Machine
John Deere approved fuel conditioners containing
detergent/dispersant additives are required when using
B20 blends and recommended when using lower biodiesel
blends. Biodiesel blends up to B20 must be used within
90 days of the date of biodiesel manufacture. Biodiesel
blends above B20 must be used within 45 days from the
date of biodiesel manufacture.
Biodiesel Use Recommendations
When using biodiesel blends up to B20 the following must
be considered:
•
Cold weather flow degradation
•
Stability and storage issues (moisture absorption,
oxidation, microbial growth)
•
Possible filter restriction and plugging (usually a problem
when first switching to biodiesel on used engines)
Request a certificate of analysis from an authorized fuel
distributor to ensure that the fuel is compliant with the
specifications provided in this Operator's Manual.
Consult an authorized John Deere dealer. for approved
fuel conditioners to improve storage and performance
with biodiesel fuels.
The following must also be considered when using
biodiesel blends above B20:
•
Possible coking and/or blocked injector nozzles,
resulting in power loss and engine misfire if John
Deere approved fuel conditioners containing
detergent/dispersant additives are not used
•
Possible crankcase oil dilution, requiring more frequent
oil changes
•
Possible lacquering and/or seizure of internal
components
•
Possible formation of sludge and sediments
•
Possible thermal oxidation of fuel at elevated
temperatures
•
Possible compatibility issues with other materials
(including copper, lead, zinc, tin, brass, and bronze)
used in fuel handling equipment
•
Possible reduction in water separator efficiency
•
Possible damage to paint if exposed to biodiesel
IMPORTANT: Raw pressed vegetable oils are
NOT acceptable for use as fuel in any
concentration in John Deere engines. The
use could cause engine failure.
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