Case 580ST, Operator'S Manual

Page: 364 / 434

8 - TROUBLESHOOTING
Engine
PROBLEM POSSIBLE CAUSE CORRECTION
Partially discharged batteries.
Check, charge the batteries and, if
necessary, replace them.
Corroded or loose connections to the
battery terminals. Clean, inspect, tighten the nuts and,
if necessary, replace the excessively
corroded terminals and nuts.
Incorrect timing of the injection pump
on the engine. Correctly time the injection pump on
the engine.
Dirt or water accumulations in fuel
lines. Disconnect the lines and the injection
pump and carefully clean them; if
necessary, clean and dry the fuel
tank.
No fuel in the tank. Fill the tank.
No supply to the injection pump. Check and, if necessary, replace the
supply pump.
Air in the fuel system. Check the lines, the fittings, the
supply pump, the filters and the
injection pump for the presence of air,
then bleed the system.
The engine does not start.
Damaged starter motor. Repair or replace the starter motor.
Irregular delivery of the supply pump. Check delivery on the workbench.
Dirt or water accumulations in fuel
lines.
Disconnect the lines and the injection
pump and carefully clean them; if
necessary, clean and dry the fuel
tank.
Restricted fuel filters. Replace the filter cartridges.
Burned or cracked valves. Replace the valves.
Air in the fuel system. Check the lines, the fittings, the
supply pump, the filters and the
injection pump for the presence of air,
then bleed the system.
The engine stops.
Damaged injection pump controls. Replace the damaged parts.
8-2