Service - 70
SK1550 Operator’s Manual
Recommended Lubricants
Approved Fuel
This engine is designed to run on diesel fuel. Use only high quality fuel meeting ASTM D975 No. 2D,
EN590, or equivalent. At temperatures below 32°F (0°C) winter fuel blends are acceptable. See the engine
manual for more information.
Biodiesel blends up to 5% (B5) are approved for use in this unit. The fuel must meet the specifications for
diesel fuel shown above. In certain markets, higher blends may be used if certain steps are taken. Extra
attention is needed when using biodiesel, especially when operating in cold weather or storing fuel.
Contact your Ditch Witch® dealer or the engine manufacturer for more information.
Exhaust Cleaning
This engine has a Diesel Particulate Filter (DPF) that purifies NOx emissions in the exhaust into nitrogen
and water. The DPF system cleans itself automatically, unless it is manually disabled by the operator.
Automatic exhaust cleaning happens during normal machine operation when sensors in the
engine determine the need. During an engine exhaust cleaning cycle, engine exhaust can reach
high temperatures. When this happens, the high exhaust temperature icon will light.
If the jobsite is in an area where high exhaust temperature might cause a problem,
disable exhaust
cleaning for the duration of the job and return to automatic cleaning when the job is finished. The
exhaust cleaning disabled icon will light and remain on until the system is returned to automatic
cleaning mode.
The exhaust cleaning icon will light when the system is disabled and exhaust cleaning cycle is
needed.
• The icon will light when an automatic cleaning is needed. If the area will allow it, return the machine
to automatic cleaning mode and let it run automatically.
• A manual exhaust cleaning cycle is required after automatic exhaust cleaning has been disabled
multiple times. If manual cleaning is not done when indicated, the engine will derate.
• Ash buildup in DPF will have adverse effects on engine performance. The soot filter must be serviced
every 3000 hours of operation or more often if high-ash oil and/or fuel is used. See your Yanmar
engine distributor for this service.
Ultra Low Sulfur Diesel (ULSD) poses a greater static
ignition hazard than earlier diesel formulations with higher sulfur content.
Avoid death or serious injury from fire or explosion; consult with your fuel
or fuel system supplier to ensure the delivery system is in compliance
with fueling standards for proper grounding and bonding practices.
NOTICE:
Use only Ultra Low Sulfur Diesel (less than 15ppm sulfur content in the US and Canada or
10mg/kg in EU and Japan) in this unit. Operating with higher sulfur content will damage the engine and
aftertreatment device.
Summary of Contents for 3TNV86C
Page 1: ...SK1550 Yanmar 3TNV86C Operator s Manual CMW 053 2996 Issue 2 0 Original Instruction ...
Page 19: ...Safety Awareness 18 SK1550 Operator s Manual Machine Safety Alerts ...
Page 49: ...Controls 48 SK1550 Operator s Manual Operator Station ...
Page 55: ...Drive 54 SK1550 Operator s Manual Shut Down ...
Page 63: ...Transport 62 SK1550 Operator s Manual Retrieve ...
Page 91: ...Service 90 SK1550 Operator s Manual Procedures ...
Page 97: ...Specifications 96 SK1550 Operator s Manual Declaration of Conformity ...