e n
3.
P rojec tin g pin (1 8 /2 ) d e fin e s th e c o rre ct po si-
tio n o f th e q u ic k -te n s io n ch a in w h e e l. M ake
su re it is co rre c tly sea te d.
S T O R A G E
T h o ro u g h ly cle a n th e ch a in s a w a fte r ea ch use.
S to re it in a dry, lo cka b le place o u t o f th e reach
o f ch ild re n .
C a rry o u t th e fo llo w in g jo b s b e fo re in te rva ls in
w o rk la stin g fo r lo n g e r th a n 30 days:
1.
Sw itc h o ff th e m a ch in e an d d is c o n n e c t the
m a in s plug.
2.
U n scre w th e oil ta n k cap.
3.
Em pty th e oil tan k.
4.
Fill w ith so m e en g in e oil.
5.
Run th e ch a in sa w w ith th is fo r a s h o rt tim e in
o rd e r to flu sh th e oil lin e s an d oil pum p.
6.
R e m ov e th e s a w ch a in an d gu id e rail, cle a n it
an d s p ra y it w ith ru s t-p ro o fin g oil.
7.
T h o ro u g h ly cle a n th e ch a in sa w an d sto re it
in a d ry place.
W O R K I N G B E H A V IO U R A N D W O R K IN G
T E C H N IQ U E
C o u rs e s in the use o f ch a in s a w s and
H
te c h n iq u e s fo r fe llin g tre e s are re g u la rly
held by v a rio u s fo re stry o rg a n is a tio n s.
D A N G E R !
A
D a n g e r o f in ju ry du e to in a d e q u a te te c h -
nical kn o w le d g e !
In a d e q u a te te c h n ic a l kn o w le d g e can re
su lt in s e rio u s a n d ev e n fatal in ju rie s!
O nly tra in e d an d e x p e rie n c e d p e o p le are
a llo w e d to fell tre e s an d lop bra n ch e s.
D A N G E R !
•
D a n g e r o f fatal in ju ry fro m s p lin te re d
w o o d !
W o o d c h ip s c a u g h t up in th e ch a in can
lead to e x tre m e ly s e rio u s an d eve n fatal
inju ries !
R e m ov e loose ch ip s an d w o o d sp lin te rs
from th e pa rt to be saw n.
F e llin g tre e s
T a ke th e fo llo w in g m e a s u re s b e fo re sta rtin g fel-
ling w o rk.
■
M a ke s u re th a t no o th e r pe op le, a n im a ls o r
o b je c ts are in th e d a n g e r area.
3 4
■
T he sa fe d is ta n ce fro m o th e r w o rk p la c e s or
o b je c ts sh o u ld be a t le a st 2% tre e le ng th s.
■
W a tc h o u t fo r p o w e r lin e s an d o th e r p e o p le 's
pro p e rty. If n e ce ssa ry, n o tify th e p o w e r su p -
ply c o m p a n y o r th e p ro p e rty ow ne r.
■
Ju d g e th e fa llin g d ire ctio n o f th e tree .
F a cto rs in flu e n cin g th e fa llin g d ire ctio n o f the
tree :
■
N a tu ra l le an o f the tree
■
H e igh t o f th e tree
■
B ra n ch e s g ro w in g on on e side
■
Level g ro u n d o r slo pe
■
A s y m m e tric a l g ro w th , w o o d d a m a g e
■
W in d d ire ctio n an d w in d sp e ed
■
S n o w load
■
W h e n w o rk in g on a slope, a lw a y s w o rk up hill
o f th e tre e to be felle d.
■
E sta b lis h y o u r e sc a p e ro u te in a d va n ce , and
m ak e s u re th a t th e re are no o b s ta c le s in the
w a y. T he e sca p e rou te sh o u ld be a t an angle
o f a p p ro x. 45° b a c k w a rd s from the fa llin g d i
re ctio n (19).
■
T he tru n k m u st be fre e from g ro w th , b ra n c h e s
an d fo re ig n b o d ie s (e.g . dirt, sto n e s, lo ose
bark, na ils, sta p le s, w ire, etc.).
M ak e tw o u n d e rc u ts an d on e b a ck cu t in o rd e r to
fell a tree .
1.
D u rin g b a ck c u ts an d c ro ss-cu ts , place the
b u m p e r s p ik e firm ly a g a in s t th e w o o d to be
cut.
2.
S a w th e firs t u n d e rc u t (2 0 /C ) ho riz o n ta lly,
th e n th e se co n d u n d e rcu t a t an a n g le o f at
le as t 45° fro m a b o ve . T h is p re v e n ts th e cha in
sa w b e c o m in g tra p p e d w h e n yo u m a ke the
se co n d u n d e rcu t. T he u n d e rcu t m u st be a s
clo se a s p o ssib le to th e g ro u n d an d in th e re-
qu ire d fe llin g d ire ctio n (20/E ). T he d e p th o f
th e u n d e rc u t sh o u ld be a b o u t 1/4 o f th e dia-
m e te r o f th e trun k.
3.
Cut th e b a c k cut (2 0 /D ) ex a ctly h o riz o n ta lly
o p p o site to th e u n de rcut. T he b a ck cut m u st
be m ad e 3-5 cm ab o ve the h o riz o n ta l u n de r-
cut.
4.
S a w in th e b a ck cu t (2 0 /D ) s u ffic ie n tly d e e p
so th a t a brid g e (20 /F ) o f a t le a st 1/10 the
tru n k d ia m e te r re m a in s be tw e e n the u n de rcut
(2 0 /C ) an d th e b a ck c u t (20/D ). T h is bridge
p re v e n ts th e tre e from tw is tin g a n d fa llin g in
th e w ro n g d ire ctio n . T he tre e sh o u ld sta rt to
fall w h e n th e b a ck c u t (2 0 /D ) a p p ro a c h e s the
brid g e (20 /F).
EKS 2 0 0 0 /3 5 / EKI 2 2 0 0 /4 0 / EKS 2 4 0 0 /4 0
S to r a g e