31
3
、
Check and adjust the belt
tension
Figure14 Check and adjust the
belt tension
Driving belt must be properly
tensioned. Inspect the driving belt
deflection by pushing on the belt
with a force of about 4~5kg midway
between pulleys. If the belt deflects
about 10~15 mm, the tension is just as required. If the belt tension is too loose or too
tight, adjust the tension by relocating the position of the generator.
4
、
Discharge the coolant
Figure 15 Discharge the coolant
There is a water drain valve on the
case of the oil cooler at the left side of
the cylinder block (look from the side
of the flywheel). It is used to drain the
water coolant in the water jacket of
the diesel engine. After draining the
water coolant, close the valve.
5
、
Clean the inlet screen of the
oil pump
Figure 16 Inlet screen filter of
the fuel pump
There is an oil pump outside
the fuel injection pump. At
the joint of the fuel inlet of
the fuel supply pump, there is
a filter screen, which is used
