10.5 Engine faults
Fault Possible cause Remedy
Engine does not
start
Fuel tank empty Refuel, bleed the fuel system
Fuel filter clogged, in winter due to par-
affin separation
Change the fuel filter, use winter fuel
Fuel lines leaking Check all line connections for leaks and
tighten the fittings, bleed the fuel system
Battery not charged or not connected Tighten the terminal clamps on the bat-
tery, check all cable connections
Starter defective Have examined by a specialist
Emergency stop push button is locked Unlock the emergency stop switch
Moving parts overheating because of a
lack of lubrication
Check the engine oil level, correct if nec-
essary
Check the engine oil filter, replace if nec-
essary
Have the lubrication system examined by
a specialist
Poor starting of
engine or engine
works irregularly
with poor power
Battery power too low, terminal clamps
loose or oxidized causing the starter to
turn too slowly
Check the battery charge condition, clean
the terminal clamps, tighten and cover
them with acid-free grease
Fuel supply too low, fuel system clogged
by paraffin separation during winter
Replacing the fuel filter
Check all line connections for leaks and
tighten the fittings, bleed the fuel system
Use winter fuel in winter
Engine oil with wrong SAE viscosity class Change the engine oil
Air filter dirty Clean, replace if necessary
Moving parts overheating because of a
lack of lubrication
Check the engine oil level, correct if nec-
essary
Check the engine oil filter, replace if nec-
essary
Check the lubrication system
Excessive exhaust
smoke
Engine oil level too high Check, drain off if necessary
Insufficient fuel quality Use specified fuel
Air filter dirty Clean, replace if necessary
Injection valve defective Have examined by a specialist
Engine over-
heating, engine
must be shut down
immediately!
Cooling fins on radiator are extremely
dirty (the warning lamp for engine oil tem-
perature lights)
Clean the cooling fins
Engine oil level too low Check, fill up if necessary
Troubleshooting – Engine faults
D.ONE
157
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