Engine - New Holland CX720 Operator's Manual

CONCERN
Engine will not start.
Engine does not give full pow-
er.
Engine overheats.
Engine starts, then stops.
Insufficient oil pressure.
Engine will not idle.
5–8
SECTION 5 – FAULT FINDING

ENGINE

POSSIBLE CAUSE
Insufficient fuel in tank.
Battery connections dirty or dis-
connected.
Battery partly run down.
Restricted fuel filters
Restricted prefilter/water separa-
tor.
Air in fuel system.
Polluted fuel.
Dirty air cleaner.
Restricted fuel filters.
Restricted exhaust pipe.
Vent hole in fuel tank filler cap
clogged.
Polluted fuel.
Insufficient coolant.
Dirty radiator.
Fan drive belts slack or broken.
Insufficient oil in engine sump.
Air in fuel system.
Fuel filters restricted.
Insufficient oil.
Sender unit defective.
Oil pressure gauge defective.
Air in fuel system.
CORRECTION
Fill up fuel tank.
Connect, clean and coat with
vaseline the battery connections.
Charge battery.
Replace fuel filters.
Replace element.
Bleed fuel system.
Drain and clean fuel tank.
Refill with clean fuel.
Clean air cleaner.
Replace fuel filters.
Clean or replace exhaust pipe.
Clean vent hole.
Drain and clean fuel tank.
Refill with clean fuel.
Add coolant.
Clean radiator.
Adjust belt(s) tension, or replace
belt.
Add oil.
Bleed fuel system.
Replace filters.
Add oil.
Replace sender unit.
Replace oil pressure gauge.
Bleed fuel system.