09.2020
Seite 153 / 197
6.9
Maintenance of Fuel System
Fuel
Tank
Notice!
Fuel
Tank
–
Dirt
Drain
ce!
–
Drain the dirt reserve tank of fuel tank every day
.
– For the convenience of access, rotate the upperstructure by 90°, and park
the machine on flat ground.
– Stop the engine as per the shutdown steps of engine.
– Pull the safety locking rod to LOCK (lock).
– Open the drain plug at the bottom of fuel tank for several seconds to
discharge the water and deposits, and then close the plug.
Water
Separator
Notice!
Water
Separator
Check
–
Check the water separator before the operation every day
.
– The water separator may mix the water in fuel. The water separator
contains a floating body that will float up during the accumulation of
water to ensure the water separator starts to drain when the floating
body reaches the mark of “drain water “on the outer side of water
separator.
– Important: if the fuel contains excessive water, shorten the check
interval of water separator.
Drain steps
– The water separator is located at the rear of the engine compartment,
and nearby the air cleaner.
– Loosen the air bleed plug on the top of fuel prefilter, and anticlockwise
loosen the drain plug in the bottom of water separator to drain the water
accumulated in water separator.
– After draining the water, tighten the air bleed plug and drain plug. Turn
the fuel ball valve to its original position.
– Start the engine, and check whether there is leakage of the plug and air
bleed plug.
Note: ensure that the air is bleed out of the hydraulic system after draining
the water.
Caution!
The air in fuel system may cause the starting difficulty or abnormal
starting of engine.
After draining the water and deposits in water separator, replacing the
fuel filter or drying the fuel tank, ensure the air must be bleeded out of
hydraulic system.
Notice!
Bleed
the
water
out
of
Fuel
System