Terex Evoquip Bison 120, Operation Manual

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10 Troubleshooting
Operations Manual
Bison 120
20-07-2018
Page 10-12
Revision 2.0
Problem Possible Cause Procedure
Engine becomes
excessively hot
Oil level too low Top up
Oil level too high Check
Air cleaner clogged /
turbocharger
Check / Replace
Charge airline leaking
Check / have the engine
manufacturer replace as
necessary
Coolant pump defective Check / Clean
Cooling air temperature rise /
heating short circuits
Check
Ventilation line blocked (coolant
heat exchanger)
Have the engine manufacturer
check
Fuel injector defective
Check / have the engine
manufacturer replace as
necessary
Oil filter defective Check
Coolant deficiency Check / Clean
Engine does not run
on all cylinders
Electrical connections
Check electrical connection to
engine ECM
Fuel injection line leaks
Check / have the engine
manufacturer repair as necessary
Fuel injector defective
Check / have the engine
manufacturer replace as
necessary
Air in the fuel system Check / Replace
Air inlet
Check for air inlet restriction,
clean / replace filters as
necessary
Fuel filter / fuel pre- cleaner
soiled
Check