Troubleshooting - Kubota K008-3 Operator's Manual

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TROUBLESHOOTING

TROUBLESHOOTING
If the excavator does not give the desired performance, or when problems arise, refer to the table below
and take appropriate measures.
Trouble
Starting difficulties
Insufficient
engine power
Engine
suddenly stops
Abnormal exhaust
gas colour
Water temperature
warning lamp ON
(Temperature too
high for overheating)
Cause
Fuel is too viscous
Air or water in the fuel
system
Oil viscosity is too high so
that the engine funs
sluggishly in winter
Battery is almost dead;
insufficient compression
Low fuel level
Clogged air cleaner
Low fuel level
Poor fuel
Too much engine oil
Worn or torn fan belt
Coolant level too low
Radiator grill or fins are
clogged
Coolant is contaminated
with rust from the cylinder
head or crank case
Defective radiator cap
(Evaporation)
Corroded coolant pipes
Continuous operation
under full load
Engine oil level too low
Use of poor fuel
Countermeasure
D Check fuel tank and filter
D Remove impurities and water
D If necessary, replace filter
D Remove water from the fuel tank
D Check fuel pipe joint bolts and nuts for
looseness
D Purging of the fuel system (for fuel
filter and injection
"PURGING OF THE FUEL SYSTEM"
in "OTHER ADJUSTMENTS AND
REPLACEMENTS".)
D Pour hot water over the radiator
D Recharge battery
D Check fuel and add if necessary
D Clean the air filter element
D Check fuel and add if necessary
D Purge the fuel system
D Use high quality fuel
D Drain engine oil to prescribed oil level
D Adjust or replace
D Fill to prescribed level
D Clean
D Replace coolant fluid and add anti-rust
D Replace
D Clean
D Reduce load
D Fill to prescribed level
D Use prescribed fuel
pump, see