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–
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
(illustration Y1 )! If the oil level is correct, insert the dipstick and tighten it.
NOTE
For environmental reasons, we recommend that the oil change is performed by
an authorised workshop.
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.
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.
Extreme vibration
Unclean cut, lawn is
yellow
Ejection blocked
Mulched grass
appearance is poor:
clumps, excessive
clippings, rough cut.
Remedy
In case of faults and defects which have not been listed here, please contact the
Press the control handle onto
nearest authorized dealer.
the upper part of the bar D .
Repairs which require specialized knowledge should only be performed by a qualified
Fill up with clean and fresh
expert. Your authorized dealer will naturally also be glad to help if you do not wish to
fuel.
perform the maintenance work described here yourself.
Push plug connector in place
or have it checked by an
authorised workshop.
19 TECHNICAL DATA
Replace or clean spark plug,
set electrode distance to 0.7
Engine
– 0.8 mm Y .
Have it checked by an
authorised workshop.
Clean or replace the air filter
insert W .
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.
10
Blade blunt.
Cutting height too low.
Engine speed too low.
Mowing too fast.
Insufficient overlapping
of cuts when mowing.
Lawn becomes matted.
Turbo signal has not
been detected
J + K .
Engine speed too low.
Cutting height too low for
grass that is too high.
Pushing mower too fast.
Grass not dry.
Blade blunt.
Mulching rule not
followed (cut max. 1/3 of
the grass height; the
height of the grass to be
cut must be lower than
10 cm)
Travel speed too fast.
Grass build-up under
deck.
Insufficient overlapping
of cuts when mowing.
Grass not dry.
Motor
Capacity
Rotation speed
Power of Device
Electrode gap
Fuel
Tank capacity
Lubricating oil
Oil quantity
Have it checked by an
authorized dealer
Have it sharpened and
balanced by an authorized
dealer Q .
Adjust to higher cutting height
I .
Have it checked by an
authorized dealer.
Adjust mowing speed.
Tall grass conditions may
dictate that more overlapping
of cuts is required.
A lawn scarifier can remedy
the problem considerably
Empty the grass collector L .
Have it checked by an
authorized dealer.
Adjust to higher cutting height
I .
Adjust mowing speed.
Let grass dry.
Have it sharpened and
balanced by an authorized
dealer.
Adjust to higher cutting height
I .
Convert mower to rear
discharge U2 + S1 and
mow grass first with higher
cutting setting.
Adjust travel speed.
Adjust to higher cutting height
I .
Tall grass conditions may
dictate that more overlapping
of cuts is required
Adjust to higher cutting height
I .
Let grass dry.
B&S 4-stroke motor, 675EXi
163 cm
3
2800 min
-1
2.6 kW
0.7 – 0.8 mm
Unleaded standard petrol,
with max.10% ethanol
approx. 0.9 litres
SAE 30, SAE 10W30, SAE 5W30
or similar brand name oil,
Minimum quality SF
0.4 – 0.5 litres
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