Maintenance - Makita UC010G Instruction Manual

Limbing
CAUTION:
Limbing may only be performed by
trained persons. A h a z a r d i s p r e s e n t e d b y t h e r i s k
o f k i c k b a c k .
W h e n l i m b i n g , s u p p o r t t h e c h a i n s a w o n t h e t r u n k i f p o s s i b l e . D o n o t
c u t w i t h t h e t i p o f t h e b a r , a s t h i s p r e s e n t s a r i s k o f k i c k b a c k .
P a y p a r t i c u l a r a t t e n t i o n t o b r a n c h e s u n d e r t e n s i o n . D o
n o t c u t u n s u p p o r t e d b r a n c h e s f r o m
D o n o t s t a n d o n t h e f e l l e d t r u n k w h e n l i m b i n g .
Burrowing and parallel-to-grain cuts
CAUTION:
Burrowing and parallel-to-grain
cuts may only be carried out by persons with
special training. T h e p o s s i b i l i t y o f k i c k b a c k p r e s e n t s
a risk of injury.
P e r f o r m p a r a l l e l - t o - g r a i n c u t s a t a s s h a l l o w a n a n g l e a s
p o s s i b l e . T a k e a n e x t r a c a u t i o n w h e n c a r r y i n g o u t t h e
c u t a s t h e s p i k e b u m p e r c a n n o t b e u s e d .
Fig.27
Felling
CAUTION:
Felling work may only be per-
formed by trained persons. T h e w o r k i s h a z a r d o u s .
O b s e r v e l o c a l r e g u l a t i o n s i f y o u w i s h t o f e l l a t r e e .
Fig.28: 1. F e l l i n g a r e a
— B e f o r e s t a r t i n g f e l l i n g w o r k , e n s u r e t h a t :
• O n l y p e r s o n s i n v o l v e d i n t h e f e l l i n g o p e r a t i o n
a r e i n t h e v i c i n i t y ;
• A n y p e r s o n i n v o l v e d h a s a n u n h i n d e r e d p a t h
o f r e t r e a t t h r o u g h a r a n g e o f a p p r o x i m a t e l y
4 5 ° e i t h e r s i d e o f t h e f e l l i n g a x i s . C o n s i d e r t h e
a d d i t i o n a l r i s k o f t r i p p i n g o v e r e l e c t r i c a l c a b l e s ;
• T h e b a s e o f t h e t r u n k i s f r e e o f f o r e i g n
objects, roots and ranches;
No persons or objects are present over a
d i s t a n c e o f 2 1 / 2 t r e e l e n g t h s i n t h e d i r e c t i o n
i n w h i c h t h e t r e e w i l l f a l l .
— C o n s i d e r t h e f o l l o w i n g w i t h r e s p e c t t o e a c h t r e e :
• D i r e c t i o n o f l e a n ;
• L o o s e o r d r y b r a n c h e s ;
• H e i g h t o f t h e t r e e ;
• N a t u r a l o v e r h a n g ;
• W h e t h e r o r n o t t h e t r e e i s r o t t e n .
— C o n s i d e r t h e w i n d s p e e d a n d d i r e c t i o n . D o n o t
c a r r y o u t f e l l i n g w o r k i f t h e w i n d i s g u s t i n g s t r o n g l y .
— T r i m m i n g o f r o o t s w e l l i n g s : B e g i n w i t h t h e l a r g e s t
swellings. Make the vertical cut first, then the
h o r i z o n t a l c u t .
— S t a n d t o t h e s i d e o f t h e f a l l i n g t r e e . K e e p a n a r e a
c l e a r t o t h e r e a r o f t h e f a l l i n g t r e e u p t o a n a n g l e o f
4 5 ° e i t h e r s i d e o f t h e t r e e a x i s ( r e f e r t o t h e " f e l l i n g
area figure). Pay attention to falling branches.
— A n e s c a p e p a t h s h o u l d b e p l a n n e d a n d c l e a r e d
a s n e c e s s a r y b e f o r e c u t s a r e s t a r t e d . T h e e s c a p e
p a t h s h o u l d e x t e n d b a c k a n d d i a g o n a l l y t o t h e r e a r
of the expected line of fall as illustrated in figure.
Fig.29: 1. F e l l i n g d i r e c t i o n 2. D a n g e r z o n e
3. E s c a p e r o u t e
b e l o w .
18 ENGLISH
W h e n f e l l i n g t r e e s , f o l l o w t h e p r o c e d u r e s b e l o w :
1. C u t a s c a r f a s c l o s e t o t h e g r o u n d a s p o s s i b l e .
F i r s t m a k e t h e h o r i z o n t a l c u t t o a d e p t h o f 1 / 5 -1 / 3 o f t h e
t r u n k d i a m e t e r . D o n o t m a k e t h e s c a r f t o o l a r g e . T h e n
m a k e t h e d i a g o n a l c u t .
Fig.30
NOTE: T h e s c a r f d e t e r m i n e s t h e d i r e c t i o n i n w h i c h
t h e t r e e w i l l f a l l , a n d g u i d e s i t . I t i s m a d e o n t h e s i d e
t o w a r d s w h i c h t h e t r e e i s t o f a l l .
2. M a k e t h e b a c k c u t a l i t t l e h i g h e r t h a n t h e b a s e
c u t o f t h e s c a r f . T h e b a c k c u t m u s t b e e x a c t l y h o r i z o n -
t a l . L e a v e a p p r o x i m a t e l y 1 / 10 o f t h e t r u n k d i a m e t e r
between the back cut and the scarf. The wood fibers in
t h e u n c u t t r u n k p o r t i o n a c t a s a h i n g e . I n s e r t w e d g e s
i n t o t h e b a c k c u t i n t i m e .
Fig.31
WARNING:
Do not cut right through the bers
under any circumstances. T h e t r e e w i l l o t h e r w i s e
f a l l u n c h e c k e d .
NOTICE:
Only plastic or aluminum wedges may
be used to keep the back cut open. The use of
iron wedges is prohibited.
Carrying tool
B e f o r e c a r r y i n g t h e t o o l , a l w a y s a p p l y t h e c h a i n b r a k e
a n d 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
a t t a c h t h e g u i d e b a r c o v e r . A l s o c o v e r t h e b a t t e r y c a r -
t r i d g e w i t h t h e b a t t e r y c o v e r .
Fig.32: 1. G u i d e b a r c o v e r 2. B a t t e r y c o v e r

MAINTENANCE

CAUTION:
Always be sure that the tool is
switched o and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
CAUTION:
Always wear gloves when perform-
ing any inspection or maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
T o m a i n t a i n p r o d u c t S A F E T Y a n d R E L I A B I L I T Y ,
repairs, any other maintenance or adjustment should
b e p e r f o r m e d b y M a k i t a A u t h o r i z e d o r F a c t o r y S e r v i c e
C e n t e r s , a l w a y s u s i n g M a k i t a r e p l a c e m e n t p a r t s .
Sharpening the saw chain
Sharpen the saw chain when:
• M e a l y s a w d u s t i s p r o d u c e d w h e n d a m p w o o d i s c u t ;
The chain penetrates the wood with di culty, even
w h e n h e a v y p r e s s u r e i s a p p l i e d ;
• T h e c u t t i n g e d g e i s o b v i o u s l y d a m a g e d ;
• T h e s a w p u l l s t o t h e l e f t o r r i g h t i n t h e w o o d .
( c a u s e d b y u n e v e n s h a r p e n i n g o f t h e s a w c h a i n o r
d a m a g e t o o n e s i d e o n l y )
t h e t o o l . T h e n