Blade Maintenance - GGP ITALY SBC 425 H Manual De Instrucciones

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Clean the filter as follows:
–    P ress the tab (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. 
–    R eassemble the filter element (2) and the cov-
er (1).
5.6 CHECKING THE SPARK PLUG ( (Fig. 17)
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 ANGLE TRANSMISSION (Fig. 18)
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).

5.8 BLADE MAINTENANCE

5.8.1 Sharpening the 3 or 4-point blade
(Fig. 19)
WARNING!
Use protective gloves. If
sharpening is done without removing the
blade, disconnect the spark plug cap.
Sharpening must be done taking account of the 
type of blade and cutting edges, using a flat file 
and working all the points equally.
The references for correct sharpening are given
in Fig. 19:
A = Incorrect sharpening
    B = Sharpening limits
    C = Incorrect and unequal angles
IMPORTANT It is important to retain the correct
balance  after  sharpening.  For  safety  reasons, 
sharpening  and  balancing  should  be  done  by  a 
All manuals and user guides at all-guides.com
Specialised Centre with suitable skills and equip-
ment  for  the  job;  without  risking  any  damage  to 
the blade which would make it unsafe when used.
3 or 4-point blades can be used on both sides.
When  one  side  of  the  points  is  worn,  the  blade 
can be turned and the other side used.
paired, but must be replaced as soon as
signs  of  breaking  are  noted  or  the  sharpen-
ing limit is exceeded.
5.8.2 Sharpening the 3 or 4-point blade
Blades bearing the code indicated on the chart
on page 3 should be used on this machine.
Given  product  evolution,  the  above  mentioned 
blades may be replaced in time with others hav-
ing similar interchangeable and operating safety 
features.
5.9 HEAD LINE REPLACEMENT
5.9.1 Cutting line head type "I" (Fig. 20)
1.    R emove  the  remaining  line  pulling  it  out  of 
erly closed along the entire perimeter to pre-
vent  it  from  opening  during  work,  with  the 
risk of damage or injuries.
2. Cut the line to the indicated length.
3.    T urn the starter grip (1) clockwise until one of 
4.    I nsert the two ends of the line in the centre of 
5.    T urn the grip (1) clockwise to wind the line, let-
5.9.2 Cutting line head type "II" (Fig. 21)
–    F ollow the sequence indicated in the figure.
5.10 SHARPENING THE LINE CUTTING
–    R emove  the  line  cutting  knife  (1)  from  the 
19
WARNING!
The blade must never be re-
the centre of the starter grip (1). If it is broken 
off inside, press the point indicated «PUSH», 
turn the head cover (2) anticlockwise and re-
move  the  line  remaining  inside.  Close  the 
head  again,  aligning  the  reference  notch  (3) 
and turn the cover (2) clockwise.
WARNING!
  Make  sure  the  head  is  prop-
the arrows is aligned with one of the two exit 
holes (4) of the line.
the starter grip (1), making the line exit the two 
holes (4) in equal parts.
ting about 120 mm exit from both holes. 
KNIFE (Fig. 22)

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Sbc 425 hdSbc 435 hSbc 435 hd

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