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