Safety Recommendations; Maintenance Schedule; Change Oil - ST WBE Serie Manual De Instrucciones

6
EN
6. MAINTENANCE

6.1 SAFETY RECOMMENDATIONS

WARNING!
cap and read instructions before carrying
out any cleaning, repair or maintenance
operation. Wear proper clothing and work­
ing gloves whenever your hands are at
risk. Do not perform maintenance or repair
operations without the necessary tools and
technical knowledge.
IMPORTANT
or other pollutants in unauthorised places.
IMPORTANT
the Machine's Instruction Manual), the engine
can be laid down on its right side, or the front
part can be lifted, taking care not to allow oil or
fuel to leak out.

6.2 MAINTENANCE SCHEDULE

Follow the hourly or calendar – whichever occur
first – maintenance schedule shown in the follow-
ing table.
Operation
Check oil level
(see 5.1.1)

Change oil

1)
(see 6.3)
Check silencer and engine
cleanliness
Check air cleaner
2)
(see 6.5)
Cleaning and/or air filter
replacement (see 6.5)
Check spark plug
(see 6.6)
Replace spark plug
(see 6.6)
Remove the spark plug
Never get rid of used oil, fuel
If necessary (if foreseen in
√ – –
– –
√
√ – –
√ – –
– – √
– – √
– – –
Change oil every 25 hours if the engine is ope ra-
1)
t ing under heavy load or in ht weather.
Clean air cleaner more frequently if the machine
2)
is operating in dusty areas.
6.3 CHANGE OIL
See the specific chapter for the oil to be used.
WARNING!
is warm, being careful not to touch the hot
engine nor the drained oil.
a) Place engine level.
b) Make sure that the fuel tank is not full and that
the cap is properly closed.
c) Clean around oil fill (1).
d) Remove the fillercap (1).
e) Have a container ready (2) to collect the oil.
f) Tip the lawnmower on its right side so that the
oil will drain from the oil fill (3).
g) Place the lawnmower level and top up with new
oil (see 5.1.1).
h) Check the oil level on the dipstick (4). Oil
should be at «MAX» mark.
j) Close the fillercap and wipe off any spilled oil.
6.4 CLEAN SILENCER AND ENGINE
Silencer must be cleaned when the engine is cold.
a) Use a jet of compressed air or a brush to re-
move any debris and dirt that could cause a
fire from the silencer (1) and its protective cover
–
(2).
√
b) Clean the cylinder and cylinder head fins (3) to
ease engine cooling and prevent overheating.
–
c) Clean the plastic components with a sponge (4)
soaked in water and detergent.
–
–
6.5 AIR FILTER CHECK
AND MAINTENANCE
–
The filtering element must be kept perfectly clean
√
and must be replaced if it is broken or damaged.
Drain oil while the engine