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–
Renew the oil as long as the engine is warm.
–
To change the oil, remove the dipstick from the oil refill neck.
–
Turn the mower on one side so that the spark plug side is facing upwards and the
used oil can drain into a container.
Do not drain used oil into the sewage system or soil; dispose of it according
to the local regulations.
–
Position the mower straight and fill brand-name oil into the spout (for quantity and
quality, see technical data). Screw the dipstick in and check the oil level (see
"Check oil level" and "Fill with oil", illustration Y1 )! If the oil level is correct,
insert the dipstick and tighten it.
Cleaning and replacing the air filter (Illustration W )
IMPORTANT
Never let the engine start or run whilst the air filter is removed.
–
Open the cover (1), pull down and out and remove.
–
Remove the filter element (2) carefully and knock gently onto a smooth surface if
soiled. Replace if heavily soiled or damaged.
–
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.
18 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).
Engine power
decreasing
Engine runs irregularly
Extreme vibration
Unclean cut, lawn is
yellow
Ejector blocked
Mulched grass
appearance is poor:
clumps, excessive
clippings, rough cut.
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.
In case of faults and defects which have not been listed here, please contact the
Clean or replace the air filter
nearest authorized dealer.
insert W .
Repairs which require specialized knowledge should only be performed by a qualified
Charge battery W1 , X1 .
expert. Your authorized dealer will naturally also be glad to help if you do not wish to
perform the maintenance work described here yourself.
If you experience start
difficulties, contrary to
expectations, the battery
must also be charged in
between.
11
Connection cable
Connect the battery
between the ignition key,
connector with the mating
battery and engine is
connector on the harness U1
loose or without contact
or check it or have it checked
(only for electro-start).
by an authorised workshop.
Air filter soiled.
Clean or replace the air filter
insert W .
Spark plug clogged with
Have it checked by an
soot.
authorised workshop.
Empty the petrol tank and fill
Fuel old or soiled
with fresh petrol.
Air filter dirty.
Clean or replace air filter
insert W .
Spark plug contaminated
Have it cleaned by an
with soot.
authorized dealer.
Have it checked by an
authorized dealer
Blade blunt.
Have it sharpened and
balanced by an authorized
dealer Q .
Cutting height too low.
Adjust to higher cutting height
I .
Engine speed too low.
Operate at max. rpm.
Mowing too fast.
Adjust mowing speed.
Insufficient overlapping
Tall grass conditions may
of cuts when mowing.
dictate that more overlapping
of cuts is required.
Lawn becomes matted.
A lawn scarifier can remedy
the problem considerably
TurboSignal ignored
Empty the collecting bag L .
J + K .
Engine speed too low.
Have it checked by an
authorized dealer
Cutting height too low
Set higher cutting height I .
with grass too high.
Mowing speed too fast.
Adapt mowing speed, switch
motor drive off if necessary.
Grass is damp.
Allow the lawn to dry.
Blade blunt.
Have it sharpened and
balanced by an authorized
dealer.
Mulching rule not
Adjust to higher cutting height
followed (cut max. 1/3 of
I .
the grass height; the
Convert mower to rear
height of the grass to be
discharge U2 + S1 and
cut must be lower than
mow grass first with higher
10 cm)
cutting setting.
Travel speed too fast.
Adjust travel speed.
Grass build-up under
Adjust to higher cutting height
deck.
I .
Insufficient overlapping
Tall grass conditions may
of cuts when mowing.
dictate that more overlapping
of cuts is required
Grass not dry.
Adjust to higher cutting height
I .
Let grass dry.
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