Sabo 47-VARIO Livret D'entretien page 50

Checking the spark plug (Illustration Y )
All devices
To check for wear, remove the spark plug connector and unscrew the spark
plug. If the electrode is badly worn the spark plug must be replaced as a matter
of course. (Order no. see original spare parts list and accessories).
Otherwise it is sufficient to clean the spark plug and set the electrode gap to
0.5 mm. Screw the spark plug (pay attention to sealing ring) into the engine by
hand and tighten using the socket wrench. Press on spark plug connector.
Replace the spark plug annually.
All models
Correct winter storage of the engine (or when not used for a long
period of time)
– Empty the petrol tank or allow the engine to run until it stops due to lack of fuel.
– Switch off engine and disconnect spark plug cable.
– Drain off the oil while the engine is still warm. Fill with fresh oil (for
quantity and type, see technical data).
– Clean grass and chaff from cylinder and cylinder head fins and around muffler.
– Always keep the machine in a clean condition in a closed, dry room out of
reach of children.
19 TROUBLESHOOTING
Fault Possible cause
Engine does not start Control handle not
up turned down.
Fuel tank empty.
Spark plug connector
loose.
Spark plug defective or
soiled or electrodes worn
out.
Too much petrol feed to
engine (spark plug wet).
Air filter soiled.
Battery not charged (only
for electro-start).
Start-up takes longer
than 5 seconds or is
repeated too often
(only for electro-start).
Connection cable
between the ignition key,
battery and engine is
loose or without contact
(only for electro-start).
Air filter soiled.
Engine power
decreasing
Spark plug clogged with
soot.
Fuel old or soiled
Air filter dirty.
Engine runs irregularly
Spark plug contaminated
with soot.
Drive control bar not
Mower is not moving
pulled.
(only with selective
motor drive)
Driving speed cannot
be regulated (only with
VARIO drive)
Extreme vibration
Cut not clean,
lawn turns yellow
Remedy
Ejector blocked
Press the control handle
onto the upper part of the bar
D .
Fill up with clean and
fresh fuel.
Push plug connector in
place or have it checked by
an authorised workshop.
Replace or clean spark
plug, set electrode distance
The mulched grass
Y .
does not look good:
0.7 – 0.8 mm (for model
clumps, excessive cut
47-VARIO, 47-VARIO E)
material, coarse cut
Have it checked by
an authorised
workshop.
Clean or replace the air
filter insert W .
Charge battery W1 , X1 .
If you have difficulties in
starting up, the battery
must be charged.
Connect the battery
connector with the
mating connector on the
harness U1 or check it
In case of faults and defects which have not been listed here, please contact the
or have it checked by an
nearest authorized dealer.
authorised workshop.
Repairs which require specialized knowledge should only be performed by a qualified expert.
Clean or replace the air
Your authorized dealer will naturally also be glad to help if you do not wish to perform the
filter insert W .
maintenance work described here yourself.
Have it checked by
an authorised
workshop.
Empty the petrol tank and
fill with fresh petrol.
Clean or replace air
filter W .
Have it cleaned by
an authorized dealer.
Pull drive control bar G .
12
Have it checked by
an authorised
workshop.
Have it checked by
an authorised
workshop.
Have it checked by
an authorized dealer
Have it sharpened and
Cutting blade blunt.
balanced by an
authorised workshop Q .
Cutting height too low. Set higher cutting height I .
Have it checked by
Motor speed too low.
an authorized dealer
Adapt mowing speed,
Mowing speed too high.
switch motor drive off if
necessary.
Insufficient overlap If grass is long, the mowing
between mowing lanes. lanes may need to
overlap further.
Lawn matted. A perceptible improvement
can be achieved by using
a scarifier.
TurboSignal ignored
Empty the collecting bag L .
J + K .
Have it checked by
Engine speed too low.
an authorized dealer
Cutting height too low
Set higher cutting height I .
with grass too high.
Adapt mowing speed,
Mowing speed too fast.
switch motor drive off if
necessary.
Grass is damp. Allow the lawn to dry.
Have it sharpened and
Cutting blade blunt.
balanced by an
authorised workshop.
Set higher cutting height
Mulching rule ignored
(cut max. 1/3 of grass
Convert mower to rear
height; the grass height
ejection U2 + S1 and mow
to be cut must be less
lawn with high cutting
than 10 cm)
height first.
Driving speed too high. Adapt driving speed,
switch motor drive off if
necessary.
Grass accumulation
Set higher cutting height I .
under the mower blade.
Insufficient overlap If grass is long, the
between mowing lanes. mowing lanes may need to
overlap further.
Grass is damp. Set higher cutting height I .
Allow the lawn to dry.
.