Farymann Diesel 15W Repair Manual page 78

8.5 Imperfect Operating Behaviour
Engine stops suddenly
Blue smoke from engine
White smoke from engine
Oil pressure warning light on
Oil pressure is too low
Cold starting problems
TROUBLESHOOTING
Fuel pipe broken.
Seized piston.
Seized crankshaft bearing.
Oil level in oil bath air filter too
high.
Faulty vent valve in cylinder head.
Sealing ring damaged on intake
valve guide.
Worn valves / valve guide.
Worn piston / cylinder.
Ignition too late.
Injector nozzle is worn.
Oil pressure warning lamp is de-
fective.
Oil level is too low.
Defective oil pressure switch.
Overpressure valve is defective.
Dirty ball seat in overpressure
valve.
Oil filter is clogged.
Lubricating oil pump is faulty.
Acceleration lever not at maximum
stop buffer.
Lubrication oil too thick.
Crank handle defective.
Paraffin precipitation in fuel.
- 78 -
Renew pipe.
Renew piston and cylinder.
Repair / renew crankshaft and
bearings.
Fill to proper level.
Renew valve.
Renew sealing ring.
Overhaul engine.
Renew.
Check / adjust end of delivery.
Renew nozzle.
Exchange warning lamp.
Measure oil level; if necessary, top
up oil.
Exchange.
Check, clean, exchange if neces-
sary.
Check, clean, exchange if neces-
sary.
Exchange.
Check, clean, exchange if neces-
sary.
Adjust.
Change to correct viscosity.
Check crank handle.
Use winter fuel / and/or drain and
flush system.
Renew fuel filter.