Sabo John Deere 43-A ECONOMY Livret D'entretien page 46

– Never lubricate the insert with oil or blow it with compressed air. Severely dirty or
oily filter elements must be replaced.
– After cleaning or replacement, insert the filter element into the air filter plate.
– Insert the hooks (3) on the cover (1) into the seat (4) at the bottom in the air filter
plate.
– Tilt the cover upwards and close with care.
In the case of unfavourable conditions (heavy dust development), the mower must be
cleaned every time it is used, otherwise after 25 operating hours or every year.
(Please see original spare parts and accessories for order no. of filter element)
Checking the spark plug (Illustration Y )
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 0.7-0.8
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.
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
Control handle not
Engine does not start
turned down.
up
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.
Remedy
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 Y :
0.7 - 0.8 mm.
Have it checked by an
authorised workshop.
Clean or replace the air filter
insert W .
Charge battery W1 , X1 .
If you experience start
difficulties, contrary to
expectations, the battery
must also be charged in
between.
In case of faults and defects which have not been listed here, please contact the
Connect the battery
nearest authorized dealer.
connector with the mating
Repairs which require specialized knowledge should only be performed by a qualified
connector on the harness U1
expert. Your authorized dealer will naturally also be glad to help if you do not wish to
or check it or have it checked
perform the maintenance work described here yourself.
by an authorised workshop.
Clean or replace the air filter
insert W .
Have it checked by an
authorised workshop.
Empty the petrol tank and fill
with fresh petrol.
Clean or replace air filter
insert W .
Have it cleaned by an
authorized dealer.
12
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
Cutting blade blunt.
Cut not clean,
lawn turns yellow
Cutting height too low.
Motor speed too low.
Mowing speed too high.
Insufficient overlap
between mowing lanes.
Lawn matted.
TurboSignal ignored
Ejector blocked
J + K .
Engine speed too low.
Cutting height too low
with grass too high.
Mowing speed too fast.
Grass is damp.
Cutting blade blunt.
The mulched grass
does not look good:
clumps, excessive cut
material, coarse cut
Mulching rule ignored
(cut max. 1/3 of grass
height; the grass height
to be cut must be less
than 10 cm)
Driving speed too high.
Grass accumulation
under the mower blade.
Insufficient overlap
between mowing lanes.
Grass is damp.
Pull drive control bar G .
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
balanced by an authorised
workshop Q .
Set higher cutting height I .
Have it checked by an
authorized dealer
Adapt mowing speed, switch
motor drive off if necessary.
If grass is long, the mowing
lanes may need to overlap
further.
A perceptible improvement
can be achieved by using a
scarifier.
Empty the collecting bag L .
Have it checked by an
authorized dealer
Set higher cutting height I .
Adapt mowing speed, switch
motor drive off if necessary.
Allow the lawn to dry.
Have it sharpened and
balanced by an authorised
workshop.
Set higher cutting height I .
Convert mower to rear
ejection U2 + S1 and mow
lawn with high cutting height
first.
Adapt driving speed, switch
motor drive off if necessary.
Set higher cutting height I .
If grass is long, the mowing
lanes may need to overlap
further.
Set higher cutting height I .
Allow the lawn to dry.