36
Colorless
Normal: complete
combustion
Black
Abnormal: incomplete
combustion
Blue
Abnormal: oil burns
White
Abnormal: water in
combustion chamber
Warning
Don‘t start the lift truck in bad ventilation
space. There is carbon monoxide in the
exhaust gas, it is very dangerous
9. Check battery and electrolyte
Refer to
Operational method of lead acid
battery.