Fayat Group DYNAPAC DRP70D, Operating Instruction

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Fault Possible cause Remedy
The fuel shut-off valve has triggered auto-
matically
Check the engine oil level, top up if nec-
essary.
Check the fuel level, top up if necessary.
If necessary, check other causes for trig-
gering.
Bleed the fuel system by means of the
ventilation lever on the fuel shut-off valve.
Mechanical defect Have checked by qualified expert per-
sonnel.
Engine looses
power and speed
Fuel tank empty Check the fuel level, top up if necessary
Fuel system clogged Replacing the fuel filter
Tank ventilation blocked Ensure sufficient ventilation of the tank
Air in the fuel system Check the fuel system for air entry.
Check the ventilation valve.
Too much oil in exciter housing. Drain the oil from the exciter housing
Engine looses
power and speed,
black exhaust
smoke
Air filter dirty Clean the air filter, replace if necessary.
Incorrect valve clearance Check the valve clearance, adjust if nec-
essary
Injection nozzle out of order Have it checked by qualified expert per-
sonnel
Engine overheats Engine oil level too high Check the engine oil level, drain off
engine oil if necessary
Air filter dirty Clean the air filter, replace if necessary.
Lack of cooling air Clean the cooling fins and the cooling air
intake openings.
Check air guide plates and ducts for com-
pleteness and good sealing.
Engine runs with
high speed, but no
vibration
Centrifugal clutch defective Have it checked by qualified expert per-
sonnel
V-belt torn Replacing the V-belt
Troubleshooting – Engine malfunctions
DRP70D 107