Stihl MH 610 Instruction Manual page 38

Fault:
Starting problems or deteriorating engine
power
Possible cause:
– Water in fuel tank and carburettor;
carburettor blocked
– Contaminated fuel tank
– Oil bath air filter dirty
– Spark plug dirty
– Incorrect fuel used
Remedy:
– Empty fuel tank, clean fuel line and
carburettor ( )
– Clean fuel tank ( )
– Clean/replace oil bath air filter (
– Clean/replace spark plug (
– Check fuel ( )
Fault:
Engine overheating
Possible cause:
– Dirty cooling ribs
– Oil level in engine too low
– Surface of engine covered with earth
– Excessively high speed
Remedy:
– Clean cooling ribs ( 12.2)
– Top up engine oil ( 7.15)
– Remove earth from engine
– Reduce speed ( 8.2)
Fault:
Engine running roughly
Possible cause:
– Oil bath air filter dirty
– Incorrect fuel used
– Insufficient fuel in tank
Remedy:
– Clean/replace oil bath air filter (
– Check fuel ( ),
36
Fault:
Heavy smoke formation
Possible cause:
– Oil level too high
– Oil bath air filter dirty
– Angle of machine inclination over 15°
Remedy:
– Adapt oil quantity (
– Clean/replace oil bath air filter (
– Place machine in horizontal cleaning
position
Fault:
Excessive vibration during operation
), ( )
), ( )
Possible cause:
– Loose engine mounting
Remedy:
– Tighten engine mounting bolts ( )
Fault:
Reduced tilling performance
Possible cause:
– Hoes incorrectly mounted
– Worn hoes
– Brake spur incorrectly adjusted
– Worn drive belt
Remedy:
– Install hoes correctly (
– Replace hoes ( )
– Adjust brake spur (
– Replace drive belt ( )
Fault:
Loud gearbox noise
Possible cause:
– Incorrect oil level in gearbox
), ( )
– Worn components in gearbox
Remedy:
– Check oil level in gearbox ( )
– Contact your specialist dealer (
Fault:
Drive shaft does not rotate when self-
propulsion lever is actuated
)
Possible cause:
), ( )
– Cable defective
– Worn drive belt
Remedy:
– Check/replace cable ( )
– Replace drive belt ( )
Fault:
Oil leaking from gearbox/engine
Possible cause:
– Worn or damaged components in
gearbox/engine
Remedy:
– Contact your specialist dealer ( )
7.2), ( 7.3)
11.5)
)
0478 404 8800 A - EN