Buhler 2425 - Manual (Page 318)

SECTION 4 - TROUBLESHOOTING
4-4
PROBLEM POSSIBLE CAUSE CORRECTION
Engine knocks Low oil level.
Low oil pressure.
Engine overheated.
Add correct grade and amount of
oil.
Contact Buhler Versatile dealer.
See “Engine Overheats” (later
in this chart).
Low engine operating
temperature
Engine temperature gauge faulty.
Malfunctioning thermostat(s).
Tractor used on very light loads.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Low oil pressure Low oil level.
Oil pressure gauge faulty.
Wrong grade or viscosity oil.
Engine component failure.
Add oil as required.
Contact Buhler Versatile dealer.
Drain and refill with correct grade
and viscosity oil.
Contact Buhler Versatile dealer.
Excessive oil consumption Engine oil level too high.
Incorrect viscosity oil.
External oil leaks.
Plugged breather tube vent filter.
Reduce oil level.
Use correct viscosity.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Engine overheats Restricted cooling system fins.
Excessive engine load.
Low engine oil level.
Low coolant level.
Faulty radiator cap.
Loose or worn fan belt.
Cooling system plugged.
Malfunctioning thermostat(s).
Hose connection leaking.
Malfunctioning temperature
gauge.
Clean.
Shift to a lower gear or reduce
load.
Add oil as required.
Fill cooling system. Check for
leaks.
Replace cap.
Check automatic tensioner.
Replace belt if worn.
Flush cooling system.
Contact Buhler Versatile dealer.
Tighten hose connection.
Contact Buhler Versatile dealer.