Sabo John Deere 47-K VARIO B Livret D'entretien page 46

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.
21 TROUBLESHOOTING
Fault Possible cause
Fuel tap closed.
Engine does not start
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.
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.
Switch holder not turned
Cutting blade does not
down.
start
Switch-on lever of cutting
unit not actuated
Did not observe the
sequence for switching
the mower on.
Too much grass residue
underneath the housing
Drive control bracket not
Mower will not move
pulled.
forward
Drive speed cannot be
regulated
Extreme vibration
Cut not clean,
lawn turns yellow
Remedy
Open the fuel tap A .
Ejector blocked
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 to 0.6-
0.7 mm Y .
Have it checked by an
authorised workshop.
The mulched grass
Clean or replace the air filter
does not look good:
insert W .
clumps, excessive cut
material, coarse cut
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.
Have it checked by an
authorized dealer.
Press switch holder onto the
upper part of the bar H3 .
In case of faults and defects which have not been listed here, please contact the
Swiftly push the lever forward
nearest authorized dealer.
up to the stop and release
Repairs which require specialized knowledge should only be performed by a qualified
H3 .
expert. Your authorized dealer will naturally also be glad to help if you do not wish to
Switch holder and switch-on
perform the maintenance work described here yourself.
lever of the mower must be
actuated in the specified
sequence.
22 TECHNICAL DATA
Remove grass from cutting
space.
Engine
Keep gap between fan and
housing clean.
Check cutting blade for
freedom of motion.
Attention! Please observe
safety information before
starting these activities.
Get it checked by an
authorized workshop.
Pull drive switch bar G .
Have it checked by an
authorized dealer.
Have it checked by an
authorized dealer
Have it checked by an
authorized dealer
12
Cutting blade blunt.
Cutting height too low.
Motor speed too low.
Mowing speed too high.
Insufficient overlap
between mowing lanes.
Lawn matted.
TurboSignal ignored
J + K .
Engine speed too low.
Cutting height too low
with grass too high.
Mowing speed too fast.
Grass is damp.
Cutting blade blunt.
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.
Engine
Engine displacement
Engine speed
Rated input
Electrode gap
Fuel
Tank contents
Lubricating oil
Oil quantity
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.
Yamaha 4-stroke engine, MA190V
190 cm
2800 rpm
3.2 kW
0.6 - 0.7 mm
Standard unleaded fuel,
with max. 10% ethanol or max. 5% MTBE,
do not use alkylate-based petrol!
approx. 1.2 litres
SAE 10W30, SAE 10W40
4-stroke engine oil API service class SE
or a higher class oil
0.6 litres
3