1
32
FAULT
POSSIBLE CAUSE
REMEDY
The engine does not start
Batteries low charge.
Check and recharge the batteries. Change batteries, if necessary.
Battery loose.
The
stops
terminals
corroded
or
Clean, examine and tighten nuts on battery terminals. Change lead terminals and nuts, if badly corroded.
Incorrect timing of injection pump.
Check injection pump timing and reset if necessary.
Deposits or water in fuel lines.
Disconnect pipes and clean out with compressed air jet. Remove and clean the injection pump. Dry out the tank and refill with fuel.
Insufficient fuel reserve.
Refuel.
Fuel supply failure.
Overhaul or change fuel or transfer pump.
Air bubbles in fuel lines or in injection pump.
Check the pipes to detect reasons for air in system and the fuel pump for an eventual diminishment of fuel; check if there is less fuel in the fuel pump; bleed air from inside the injection pump by unscrewing the appropriate plug and working the fuel pump by hand.
Defective starter.
Repair or replace starter motor.
Inefficient thermostarter.
Switch on thermostarter at low temperature; if inefficient, change it.
Electronic stop valve not working.
Change the valve.
Too low idling.
Unscrew adjusting screw at end of hand throttle control cable.
Uneven injection pump deliveries.
Check deliveries.
Dirt or water in fuel lines.
Remove pipes and clean out with compressed air jet. Remove and clean injection pump. Dry out fuel tank and refill with fuel.
Fuel filters blocked.
Remove filter elements and renew them if necessary.
Abnormal clearance between valves and rockers.
. Adjust clearance.
Valves burnt out or cracked.
Renew the valves.
Air in fuel and injection systems.
Check pipes for possible cracks or loose unions. Replace any worn parts, then bleed air from pipes and de-aerate injection pump and fuel filter by unscrewing the appropriate plugs and working the fuel pump by hand.
Fuel filter blocked.
Change fuel filter.
Injection pump controls broken.
Change faulty parts and check pump timing.
