Routine Maintenance - Stiga SBC 627 K Manuel D'utilisation

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nylon  line  against  the  trunk  of  bushes  or  trees 
with soft bark could seriously damage the plant.
e) Adjusting line length when working
(Fig. 17)
This machine is fitted with a "Tap & Go" head.
To  release  more  line,  tap  the  cutting  line  head 
against the ground with the engine at top speed: 
the  line  will  be  released  automatically  and  the 
knife will cut off the excess length.
4.3.4 Saw blade (if permitted) (Fig. 18)
WARNING!
When using the saw blade,
where permitted, the specific guard must al-
ways be fitted. The blade must always be well
sharpened to reduce the risk of kickback.
WARNING!
When felling small trees, es-
timate the direction in which the cut tree will
fall,  also  taking  the  wind  direction  into  con-
sideration.
To  get  a  good  result  when  felling  small  trees, 
the cut must be made with a rapid movement to-
wards the branch or trunk to be cut, with the en-
gine at maximum revs.
Do not use the right-hand area of the blade be-
cause there is a high risk of kickback or the blade 
seizing up, due to the direction of rotation.
4.4 WHEN WORK IS FINISHED
When you have finished your work:
–    S top the machine as indicated previously (see 
3.3).
– Wait for the cutting device to stop and then
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:
–    L oosen the knob (3), remove the cover (1) and 
the filter element (2).
–    W ash the filter element (2) with soap and wa-
ter. Do not use petrol or other solvents.
–    L eave the filter to dry in the open air. 
–    F it 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-
20

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