New Holland T4.75F Operator's Manual page 216

Problem
Engine overheating
Excessive fuel
consumption
8 - TROUBLESHOOTING
Possible Cause
Radiator core clogged
Engine overload
Engine oil level low
Coolant level low
Radiator cap defective
Fan belt slipping or worn
Cooling system clogged
Thermostat malfunction
Hoses leaking
Temperature indicator or gauge malfunc-
tion
Incorrect fuel type
Air filter dirty or clogged
Engine overload
Improper valve clearance
Equipment wrongly adjusted
Engine temperature too low
Excessive ballast
Fuel injection nozzles clogged
Clean radiator
Change to lower gear or reduce load
Top up fluid level
Top up fluid level in expansion tank. Check
system for leaks
Replace cap
Check tensioning device. If necessary, re-
place the belt
Flush cooling system
Check thermostat
Tighten hose connectors
Contact your dealer
Use right fuel type
Carry out maintenance on air filter
Change to lower gear or reduce load
Check and adjust
Refer to equipment manual for correct op-
eration
Check thermostat
Adjust ballast to correct weight
Have your dealer service the injectors
8-4
Correction