MacDon M155 2022 - Page 467

215676 447 Revision A
Problem Solution Reference
Low coolant level
Fill reserve tank to proper level. Check
system for leaks.
5.9.6 Engine Cooling System,
page 367
Only water in cooling system Replace with antifreeze.
5.9.6 Engine Cooling System,
page 367
Engine overloaded Reduce ground speed.
Driving Forward in Cab-Forward
Mode, page 168
Defective pressurized coolant tank cap Replace cap.
Inspecting Radiator Cap, page
367
Defective fan belt
Replace belt. Replacing Fan Belt, page 381
Dirty radiator screen, rotors turning
Check for obstructions in ducting from
screen to fan shroud.
Maintaining Engine Cooling Box,
page 373
Dirty radiator screen, rotors not turning
Check connections to rotor
electric motor.
Maintaining Engine Cooling Box,
page 373
Dirty radiator core
Clean radiator.
5.9.6 Engine Cooling System,
page 367
Cooling system dirty Flush cooling system.
5.9.6 Engine Cooling System,
page 367
Defective thermostat Remove and check thermostat. Contact Dealer
Defective temperature gauge or sender
Check coolant temperature with
thermometer. Replace gauge if necessary.
Contact Dealer
Defective water pump
Contact Dealer. Contact Dealer
Symptom: High fuel consumption
Clogged or dirty air cleaner
Service air cleaner.
5.9.4 Air Intake System, page
348
Engine overloaded Reduce ground speed.
Driving Forward in Cab-Forward
Mode, page 168
Improper valve clearance
Contact Dealer. Contact Dealer
Engine timing incorrect
Contact Dealer. Contact Dealer
Dirty fuel injector nozzles
Contact Dealer. Contact Dealer
Low engine temperature
Check thermostat. Contact Dealer
Improper type of fuel in fuel tank Use proper fuel.
8.2.2 Fuel Specifications, page
476
Symptom: Engine emits black or grey exhaust
Improper type of fuel in fuel tank
Consult your fuel supplier, and use proper
type fuel for conditions.
8.2.2 Fuel Specifications, page
476
Engine overloaded Reduce ground speed.
Driving Forward in Cab-Forward
Mode, page 168
Clogged or dirty air cleaner
Service air cleaner.
Cleaning Engine Air Filter
Primary Element, page 353
Defective muffler
Check muffler for possible damage that
might create back pressure.
5.9.8 Inspecting Exhaust System,
page 381
Dirty or faulty fuel injectors
Contact Dealer. Contact Dealer
Engine timing incorrect
Contact Dealer. Contact Dealer
Air in fuel system
Contact Dealer. Contact Dealer
Symptom: Engine emits white exhaust
TROUBLESHOOTING