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6. Reason and solution
Chapter 6 Reason and solution
●
Find the reason according to the following table if any failure occurs and solve it.
●
If having any doubt, you can inquire the purchasing company or the fixed service company.
6.1 Engine failure
Problem
Reason
Solution
（
1
）
The job oil is stagnant
（
1
）
Check the fuel tank and clean the
impurities and water
（
2
）
Check the fuel filter. Change for a
new one if it is dirty
（
2
）
Air or water is fixed in the oil
transporting system
（
1
）
Check the oil pipeline and tighten
the clamp. Replace or repair it if it breaks
（
2
）
Discharge the air(refer to the [air
discharge of fuel system])
（
3
）
Machine oil is too sticky to
make the motor work when in
low temperature.
（
1
）
Put hot water in the radiator
（
2
）
use different machine oil according
to the temperature(use machine oil
SAE10W30 in winter)
hard to start
（
4
）
Low battery causing weak
rotation and not exceeding the
compress strength.
（
1
）
Charge the battery
（
1
）
fuel deficiency
（
1
）
Supply enough fuel
low outputting
power
（
2
）
blockage in air filter
（
1
）
Clean the filter element
sudden stop
（
1
）
Fuel deficiency
（
1
）
Supply enough fuel
abnormally black
exhaust
（
1
）
Low quality of fuel
（
2
）
Excessive machine oil
（
1
）
Change for better fuel
（
2
）
Turn back to the normal oil quantity
Relation with motor
Thermometer
alarming
(motor
overheated
）
（
1
）
leak in the water pump
（
2
）
stretch or break of the fan
belt
（
3
）
Low efficiency of the
radiator
（
4
）
Cooling water shortage
（
5
）
Blockage in the radiator net
or mental
（
6
）
Rust on the cover or the
Crankcase, the cooling water
polluted
（
7
）
the radiator cover is not
good for evaporation
（
8
）
Erosion of cooling water
pipeline
（
9
）
Continuously overloading
work
（
10
）
break of the lid
gasket(causing the reduce of the
cooling water
（
11
）
Machine oil shortage
（
12
）
Wrong time of the fuel
eruption
（
13
）
Low quality of the fuel
（
1
）
Change the pump
（
2
）
Repair or change the belt
（
3
）
Change the radiator
（
4
）
Supply enough water
（
5
）
Clean it
（
6
）
Change the cooling water and put
rust preventive in.
（
7
）
Change the cover
（
8
）
Clean the pipeline
（
9
）
Lessen the load
（
10
）
Change the gasket
（
11
）
Add more oil to reach the standard
quantity
（
12
）
Readjust it.
（
13
）
Change for better fuel.
Summary of Contents for KDD03
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