Routine Maintenance - Stiga SBC 627 K Manual De Instrucciones

mount the blade guard.

5. ROUTINE MAINTENANCE

Correct maintenance is essential to maintain
the original efficiency and safety of the machine
over time.
WARNING! During maintenance opera-
tions:
– R emove the spark plug cap.
– Wait until the engine is sufficiently cold.
– Use protective gloves when handling the
blades.
– K eep the blade protection device on, ex-
cept when intervening directly on the blade.
– Never dispose of oils, fuel or other pollut-
ing materials in unauthorised places.
5.1 STORAGE
At the end of each working session, carefully
clean the machine of dust and debris, and make
sure that there are no damaged parts, replacing
any faulty parts. The machine must be stored in
a dry place away from the elements and with the
cover correctly fitted.
5.2 CLEANING THE ENGINE
AND THE SILENCER
To reduce fire risks, periodically clean the cylin-
der fins with compressed air and clear the silenc-
er area to get rid of sawdust, branches, leaves or
other debris.
5.3 STARTING UNIT
To avoid overheating and damage to the engine,
always keep the cooling air vents clean and free
of sawdust and debris.
If you notice signs of wear on the starter cable,
contact your Dealer for a replacement.
5.4 NUTS AND SCREWS
Periodically check that all the nuts and screws
are securely tightened and the handgrips are
tightly fastened.
5.5 CLEANING THE AIR FILTER (Fig. 19)
IMPORTANT Cleaning the air filter is essential to
guarantee the efficiency and duration of the ma-
chine. Do not work with a damaged filter or with-
out a filter, as this could permanently damage the
engine.
It must be cleaned after every 15 working hours.
Clean the filter as follows:
– Loosen the knob (3), remove the cover (1) and
the filter element (2).
– Wash the filter element (2) with soap and wa-
ter. Do not use petrol or other solvents.
– Leave the filter to dry in the open air.
– Fit the filter element (2) and the cover (1) back
on, tightening the knob (3) again.
5.6 CHECKING THE SPARK PLUG ( (Fig. 20)
Periodically remove and clean the spark plug us-
ing a metal brush to get rid of any deposits.
Check and reset the correct distance between
the electrodes.
Replace the spark plug and fasten it firmly using
the supplied wrench.
The spark plug must be replaced with one with
the same characteristics whenever the elec-
trodes have burnt or the insulation has worn, and
in any case every 100 working hours.
5.7 LUBRICATION
IMPORTANT To preserve drive parts, we recom-
mend greasing the angle gear and flexible shaft
every 15 hours of use.
ANGLE TRANSMISSION (Fig. 21a)
Lubricate with lithium-based grease.
Remove the screw (1) and put in the grease,
turning the shaft manually until grease emerges,
then replace the screw (1).
FLEXIBLE SHAFT (Fig. 21b)
Models SBC 645 KF - 653 KF:
Lubricate with lithium-based grease.
Unhook the hose (12) from the motor side,
extract the flexible shaft (12 c) and apply grease
rotating the shaft manually until the grease is
distributed over the entire surface; then reas-
semble
5.8 BLADE MAINTENANCE
5.8.1 Sharpening the 3 or 4-point blade
(Fig. 22)
11