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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
Cause
Countermeasure
Engine
Starting difficulties
Fuel is too viscous.
•
Check the fuel tank and the filter.
•
Remove the impurities and the water.
•
If necessary, replace the filter and the fuel.
Air or water in the fuel system
•
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 123)
Fuse is blown out.
•
Check the fuse and replace it with a same-capacity
one as required.
Oil viscosity is so high that the engine
runs sluggishly in winter.
•
Use the engine-block heater (option).
Battery is almost dead and insuffi-
cient compression.
•
Recharge or replace the battery.
Insufficient engine power
Low fuel level
•
Check the fuel and add if necessary.
Clogged air cleaner
•
Clean the air-cleaner element.
Engine suddenly stops.
Low fuel level
•
Check the fuel and add if necessary.
•
Purge the fuel system.
Abnormal exhaust gas
color
Poor fuel
•
Use high-quality fuel.
Too much engine oil
•
Drain the engine oil to prescribed oil level.
Water temperature in red
zone (overheating)
Damaged seal of the water pump
•
Replace.
Worn or torn V-belt
•
Adjust or replace.
Thermostat is damaged.
•
Replace.
Coolant level is too low.
•
Fill to prescribed level.
Radiator grill or fins are clogged.
•
Clean.
Coolant is contaminated with rust
from the cylinder head or crank case.
•
Replace the coolant fluid and add anti-rust.
Damaged radiator cap (causing evap-
oration)
•
Replace.
Corroded coolant pipes
•
Clean.
Continuous operation under full load
•
Reduce the load.
Cylinder-head gasket is damaged
(causing coolant loss).
•
Replace.
Engine-oil level is too low.
•
Fill to prescribed level.
Maladjustment of fuel injection
•
Readjust ignition timing.
Use of poor fuel
•
Purge and use prescribed fuel.
Hydraulic system
Power of lift arms, buck-
et, or drive unit is too low.
Hydraulic-oil-level is too low.
•
Add oil.
Leakages of hoses and / or joints
•
Replace hose or joint.
Hydraulic-unlock-switch is not press-
ed.
•
Press the hydraulic-unlock-switch.
(Continued)
TROUBLESHOOTING
TROUBLESHOOTING OF THE ENGINE AND OTHER SYSTEMS
130
R540
Summary of Contents for R540
Page 10: ...6 R540 ...
Page 20: ...SAFETY LABELS SAFE OPERATION 16 R540 ...
Page 21: ...SAFE OPERATION R540 17 ...
Page 22: ...SAFE OPERATION 18 R540 ...
Page 23: ...SAFE OPERATION R540 19 ...
Page 24: ... Canopy Cabin SAFE OPERATION 20 R540 ...
Page 25: ... Canopy Cabin Cabin SAFE OPERATION R540 21 ...
Page 26: ... Canopy Cabin SAFE OPERATION 22 R540 ...
Page 28: ...24 R540 ...
Page 146: ...wheel loader scrapping 26 wheel nut checking 102 109 working light switch 36 142 R540 ...