probst POWERPLAN PP Manuel D'utilisation page 173

24 TROUBLESHOOTING
BWhen engine suddenly stops
Cause
* Check the fuel tank and refill the fuel,
if necessary.
Lack of fuel
* Also check the fuel system for air or
leaks.
* If necessary, replace with a new
Bad nozzle
nozzle.
Moving parts are * Check amount of engine oil with oil
overheated due to level gauge.
shortage of * Check lubricating oil system.
lubrication oil or * At every 2 times of oil change, oil filter
improper cartridge should be replaced.
lubrication.
BWhen color of exhaust is especially bad
Cause
Fuel is of
* Select good quality fuel.
extremely poor
Use No. 2-D diesel fuel only.
quality.
* If necessary, replace with new
Nozzle is bad.
nozzle.
BWhen engine must be stopped immediately
Cause
Color of exhaust
* Check the fuel injection system,
suddenly turns
especially the fuel injection nozzle.
dark.
Bearing parts are
* Check the lubricating system.
overheated.
* Check the lubricating system.
* Check the function of the relieve
Oil lamp lights up
valve in the lubricating system.
during operation.
* Check pressure switch.
* Check filter base gasket.
Countermeasures
Countermeasures
Countermeasures
BWhen engine overheats
Cause
Engine oil * Check oil level. Replenish oil as
insufficient required.
Fan belt broken or
* Change belt or adjust belt tension.
elongated
Coolant insufficient * Replenish coolant.
Excessive
* Add water only or change to coolant
concentration of
with the specified mixing ratio.
antifreeze
Radiator net or
radiator fin clogged * Clean net or fin carefully.
with dust
Inside of radiator
or coolant flow * Clean or replace radiator and parts.
route corroded
Fan or radiator or
radiator cap * Replace defective parts.
defective
Thermostat * Check thermostat and replace if
defective necessary.
Temperature
* Check temperature with thermometer
gauge or sensor
and replace if necessary.
defective
Overload running * Reduce load.
Head gasket
defective or water * Replace parts.
leakage
Unsuitable fuel
* Use the specified fuel.
used
Countermeasures