Troubleshooting
Troubleshooting 6-
2
If you find any problem, you should take action timely and adjust or repair the hydraulic or electrical
system. Contact local authorized dealer of Lovol Construction Machinery Group Co., Ltd.
Engine
Trouble Cause Measures
Difficult to start
Fuel does not flow.
(1) Check fuel tank to remove
precipitate impurities or
moisture.
(2) Check the fuel filter. If it is
dirty, change it.
Air or water is mixed into the fuel delivery
system
(1) Check piping and pipe hoops. If
damaged, replace it with a new
product or repair it.
(2) Exhaust gas. (See "fuels.
Exhaust system section)
Cold time oil viscosity increases, the engine
itself rotating heavy.
(1) Inject hot water into the
radiator.
(2) Use different oils according to
the temperature. (SAE10W30
in winter)
The battery is ru nning o ut of power, the
rotation force is weakened, and does not
exceed the compression momentum
Charging the battery
Low output power
The fuel shortage Refuel.
Air filter is blocked. Clean the filter element.
Sudden stop Fuel is low. Refuel.
When the tail gas color
is abnormally
lack
(1) Poor fuel. (2) Excessive oil.
(1) Replace with hi gh-quality fuel.
(2) Adjust to normal oil quantity.
When the siren of the
radiator goes off
(High temperature
alarm)
(1)Poorsealingofwaterpump
(2) Fan belt is stretched or broken
(3) Bad thermostat
(4) Insufficient cooling water
(5) Dust accumulates in the rad iator net and
radiator plates
(6) The rust of oil cylinder head and
crankcase pollutes the cooling water
(7) Defective radiator cover (evaporation)
(8) Corro sion of cooling water channel
(9) Continuous overload operation
(10) Cylinder head washer damage (reduced
cooling water)
(11) Insuf ficient oil
(12) Poor fuel injection period
(13) Poor fuel
(1) Change.
(2) Adjustment or replacement.
(3) Replacement.
(4) Supplement to specified
quantity.
(5) Cleaning.
(6) Replace cooling water and add
anti-rust agent.
(7) Replace
Flush (8).
(9) Reduce load.
Change (10).
(11) Add to the normal amount of
oil.
(12). Adjustment
(13) Replace with high-quality
fuel.
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