18 ENGLISH
Sharpening criteria:
WARNING:
An excessive distance between
the cutting edge and depth gauge increases the
risk of kickback.
►
Fig.28:
1.
C u t t e r l e n g t h
2.
Di s t a n c e b e t w e e n c u t t i n g
e d g e a n d d e p t h g a u g e
3.
M i n i m u m c u t t e r
l e n g t h ( 3 m m )
— All cutter length must be equal. Different cutter
l e n g t h s p r e v e n t t h e s a w c h a i n f r o m r u n n i n g
s m o o t h l y a n d m a y c a u s e t h e s a w c h a i n t o b r e a k .
—
Do n o t s h a r p e n t h e c h a i n w h e n t h e c u t t e r l e n g t h
h a s r e a c h e d 3 m m o r s h o r t e r . T h e c h a i n m u s t b e
r e p l a c e d w i t h n e w o n e .
—
T h e c h i p t h i c k n e s s i s d e t e r m i n e d b y t h e d i s t a n c e b e t w e e n
t h e d e p t h g a u g e ( r o u n d n o s e ) a n d t h e c u t t i n g e d g e .
—
T h e b e s t c u t t i n g r e s u l t s a r e o b t a i n e d w i t h f o l l o w i n g
d i s t a n c e b e t w e e n c u t t i n g e d g e a n d d e p t h g a u g e .
•
C h a i n b l a d e 90P X : 0.65 m m
•
C h a i n b l a d e 91P X : 0.65 m m
•
C h a i n b l a d e 25A P : 0.65 m m
►
Fig.29
—
T h e s h a r p e n i n g a n g l e o f 3 0° m u s t b e t h e s a m e o n
all cutters. Different cutter angles cause the chain
t o r u n r o u g h l y a n d u n e v e n l y , a c c e l e r a t e w e a r , a n d
l e a d t o c h a i n b r e a k s .
— Use a suitable round file so that the proper sharp
-
e n i n g a n g l e i s k e p t a g a i n s t t h e t e e t h .
•
C h a i n b l a d e 90P X : 55°
•
C h a i n b l a d e 91P X : 55°
•
C h a i n b l a d e 25A P : 55°
File and file guiding
— Use a special round file (optional accessory) for
s a w c h a i n s t o s h a r p e n t h e c h a i n . N o r m a l r o u n d
files are not suitable.
— Diameter of the round file for each saw chain is as
f o l l o w s :
•
C h a i n b l a d e 90P X : 4 .5 m m
•
C h a i n b l a d e 91P X : 4 .0 m m
•
C h a i n b l a d e 25A P : 4 .0 m m
—
The file should only engage the cutter on the forward
stroke. Lift the file off the cutter on the return stroke.
— Sharpen the shortest cutter first. Then the length
o f t h i s s h o r t e s t c u t t e r b e c o m e s t h e s t a n d a r d f o r a l l
o t h e r c u t t e r s o n t h e s a w c h a i n .
— Guide the file as shown in the figure.
►
Fig.30:
1.
F i l e
2.
S a w c h a i n
— The file can be guided more easily if a file holder
(optional accessory) is employed. The file holder
h a s m a r k i n g s f o r t h e c o r r e c t s h a r p e n i n g a n g l e o f
3 0° ( a l i g n t h e m a r k i n g s p a r a l l e l t o t h e s a w c h a i n )
a n d l i m i t s t h e d e p t h o f p e n e t r a t i o n ( t o 4 / 5 o f t h e
file diameter).
►
Fig.31:
1.
F i l e h o l d e r
—
A f t e r s h a r p e n i n g t h e c h a i n , c h e c k t h e h e i g h t o f t h e
d e p t h g a u g e u s i n g t h e c h a i n g a u g e t o o l ( o p t i o n a l
a c c e s s o r y ) .
►
Fig.32
— Remove any projecting material, however small,
with a special flat file (optional accessory).
— Round off the front of the depth gauge again.
Cleaning the guide bar
C h i p s a n d s a w d u s t w i l l b u i l d u p i n t h e g u i d e b a r g r o o v e .
They may clog the bar groove and impair the oil flow.
C l e a n o u t t h e c h i p s a n d s a w d u s t e v e r y t i m e w h e n y o u
s h a r p e n o r r e p l a c e t h e s a w c h a i n .
►
Fig.33
Cleaning the sprocket cover
C h i p s a n d s a w d u s t w i l l a c c u m u l a t e i n s i d e o f t h e
s p r o c k e t c o v e r . R e m o v e t h e s p r o c k e t c o v e r a n d s a w
c h a i n f r o m t h e t o o l t h e n c l e a n t h e c h i p s a n d s a w d u s t .
►
Fig.34
Cleaning the oil discharge hole
S m a l l d u s t o r p a r t i c l e s m a y b e b u i l t u p i n t h e o i l d i s -
c h a r g e h o l e d u r i n g o p e r a t i o n . T h e s e d u s t o r p a r t i c l e s
may impair the oil to flow and cause an insufficient
l u b r i c a t i o n o n t h e w h o l e s a w c h a i n . W h e n a p o o r c h a i n
o i l d e l i v e r y o c c u r s a t t h e t o p o f g u i d e b a r , c l e a n t h e o i l
d i s c h a r g e h o l e a s f o l l o w s .
1.
R e m o v e t h e s p r o c k e t c o v e r a n d s a w c h a i n f r o m
t h e t o o l .
2.
R e m o v e t h e s m a l l d u s t o r p a r t i c l e s u s i n g a s l o t t e d
s c r e w d r i v e r o r t h e l i k e .
►
Fig.35:
1.
S l o t t e d s c r e w d r i v e r
2.
O i l d i s c h a r g e h o l e
3.
In s e r t t h e b a t t e r y c a r t r i d g e i n t o t h e t o o l . P u l l t h e
switch trigger to flow built-up dust or particles off the oil
d i s c h a r g e h o l e b y d i s c h a r g i n g c h a i n o i l .
4.
R e m o v e t h e b a t t e r y c a r t r i d g e f r o m t h e t o o l .
R e i n s t a l l t h e s p r o c k e t c o v e r a n d s a w c h a i n o n t h e t o o l .
Replacing the sprocket
CAUTION:
A worn sprocket will damage a
new saw chain. Have the sprocket replaced in this
case.
Before fitting a new saw chain, check the condition of
t h e s p r o c k e t .
►
Fig.36:
1.
S p r o c k e t
2.
A r e a s t o b e w o r n o u t
Always fit a new locking ring when replacing the
s p r o c k e t .
►
Fig.37:
1.
L o c k i n g r i n g
2.
S p r o c k e t
NOTICE:
Make sure that the sprocket is installed
as shown in the figure.
Storing the tool
1.
C l e a n t h e t o o l b e f o r e s t o r i n g . R e m o v e a n y c h i p s
a n d s a w d u s t f r o m t h e t o o l a f t e r r e m o v i n g t h e s p r o c k e t
c o v e r .
2.
A f t e r c l e a n i n g t h e t o o l , r u n i t u n d e r n o l o a d t o l u b r i -
c a t e t h e s a w c h a i n a n d g u i d e b a r .
3.
C o v e r t h e g u i d e b a r w i t h t h e g u i d e b a r c o v e r .
4.
Em p t y t h e o i l t a n k .
Содержание UC002G
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