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TROUBLESHOOTING OF THE ENGINE AND OTHER SYSTEMS
TROUBLESHOOTING
TROUBLESHOOTING OF THE ENGINE AND OTHER SYSTEMS
If the machine does not show the desired performance, or when trouble arises, see the following table and undertake
appropriate measures.
Trouble
Starting difficulties
Insufficient engine power
Engine suddenly stops.
Engine
Abnormal exhaust gas
color
Water temperature in red
zone (overheating)
Lift arms, bucket, or drive
Hydraulic system
unite power is too low.
mark appears in the
Electric system
instrument panel.
R430
Cause
Fuel is too viscous.
Air or water in the fuel system
Fuse is blown out.
Oil viscosity is too high the engine
runs sluggishly in winter.
Battery is almost dead and insuffi-
cient compression.
Low fuel level
Clogged air cleaner
Low fuel level
Poor fuel
Too much engine oil
Damaged seal of the water pump
Worn or torn V-belt
Thermostat is damaged.
Coolant level too low
Radiator grill or fins are clogged.
Coolant is contaminated with rust
from the cylinder head or crank case.
Damaged radiator cap (Evaporation)
Corroded coolant pipes
Continuous operation under full load
Cylinder-head-gasket is damaged
(Coolant loss).
Engine-oil-level is too low.
Maladjustment of fuel injection
Use of poor fuel
Hydraulic-oil-level is too low.
Leakages of hoses and / or joints
Hydraulic-unlock-lever is not pressed.
Electric system is malfunction.
TROUBLESHOOTING
Countermeasure
•
Check the fuel tank and the filter.
•
Remove the impurities and the water.
•
If necessary, replace the filter and the fuel.
•
Remove the water from the fuel tank.
•
Check the bolts and nuts of the fuel-pipe-joint for
looseness.
•
Purging of the fuel system.
For fuel filter and supply pump, see Bleeding the fuel
system on page 90.
•
Check the fuse and replace it with a same-capacity
one as required.
•
Use the engine-block-heater (option).
•
Recharge or replace battery.
•
Check the fuel and add if necessary.
•
Clean the air-cleaner-element.
•
Check the fuel and add if necessary.
•
Purge the fuel system.
•
Use high quality fuel.
•
Drain the engine oil to prescribed oil level.
•
Replace.
•
Adjust or replace.
•
Replace.
•
Fill to prescribed level.
•
Clean.
•
Replace the coolant fluid and add anti-rust.
•
Replace.
•
Clean.
•
Reduce the load.
•
Replace.
•
Fill to prescribed level.
•
Readjust ignition timing.
•
Purge and use prescribed fuel.
•
Add oil.
•
Replace hose or joint.
•
Press the hydraulic-unlock-switch.
•
Check the error-code-number of LIST OF ERROR
CODE NUMBERS on page 100 and contact your lo-
cal dealer.
99
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