© Jun 2022 5-8 TB24 Plus&26J Plus Maintenance Manual
MAINTENANCE PROCEDURES
DIESEL
GRADE
RECOMMENDED AMBIENT TEMP
-35#
Lowest temperature –29℃ or higher
-50#
Lowest temperature -44℃ or higher
NOTICE
• The diesel has been drained off before delievery,
so the customer should add diesel of appropriate
grade to suit the operating ambient temperature
and the governing emission regulations.
• Do not add mixed diesel of different grades.
• The light fuel may affect the fuel economy or
damage the combustion components.
• It is recommended to use the diesel with sulphur
content less than 5000ppm.
• It is recommended to use the diesel with min.
cetane number of 45 in operating temperatures
below 0℃ and min.cetane number of 40 in
operating temperatures over 0℃. When the
cetane number of the diesel in use is less than the
recommended number,it may lead to startup
failure, instable running or large amount of white
smoke.
• The max cloud point and pour point of the diesel
must be 6℃ less than the lowest operating
ambient temperature.
EXPLOSION ADN FIRE HAZARD
• Do not mix the diesel with
gasoline, alcohol or their mixture.
• Do not add diesel when the
engine is running.
DAMAGED MACHINE HAZARD
Due to the extremely accurate
tolerance match of the diesel
injection system, it is critical to keep
the fuel clean and free of dirts or
water. The dirts or water entering the
combustion system can cause
severe damage to the fuel pump and
injectors.
A-7 Inspect Fuel Leakage
Inspecting fuel leakage is vital to safe and normal
machine operation. If a fuel leak is not discovered and
corrected in a timely manner, it will pose hazardous
situations.
NOTICE
Shut off the engine before inspection.
EXPLOSION AND FIRE HAZARD
• Diesel is an inflammable material.
This procedure must be
performed outdoors in well-
vented area and far away from
flames.
• Ensure that a conforming fire
extinguisher is readily accessible
when performing this inspection
procedure.
Inspect for diesel spills, drippings or residues in the
following areas：
• Fuel tank, piping and fittings
• Fuel pump and fuel filter
• Fuel injection system
EXPLOSION AND FIRE HAZARD
If fuel leakage is discovered,
immediately forbid any other
personnel from entering the area or
operating the machine, and repair the
leakage as soon as possible.
A-8 Inspect Engine Oil Level
NOTICE
Turn off the engine before inspection.
An appropriate engine oil level is vital to maintaining the
engine performance and extending its service life,
otherwise the engine parts will be damaged. Through
daily check, the inspector can know about the changes
on engine oil level which may indicate a system
distress with the engine.
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