Replacing
t he
s aw
c hain
CAUTION:
U se
o nly
c hains
a nd
g uide
b ars
d esigned
f or
t his
s aw
( see
t he
" Extract
f rom
t he
s pare-parts
l ist")!
Check
t he
s procket
b efore
m ounting
a
n ew
c hain.
Worn out sprockets (8) may damage the new chain and must
therefore
b e
r eplaced.
Remove
t he
s procket
g uard
( See
" PUTTING
I NTO
O PERA-
TION").
Remove
t he
c hain
a nd
g uide
b ar.
Remove circlip (9).
CAUTION:
The circlip will pop out of the groove. When
removing
it,
hold
your
thumb
against
it
to
prevent
it
from
popping
o ff.
Remove thrust washer (11).
If the sprocket (8) is worn out, the complete clutch drum (12)
will need to be
replaced
(for
the
part
number,
see
" Extract
from the spare
p arts
l ist").
Install a complete new clutch drum (12), cup washer (11)
and new circlip (9)
( for
t he
p art
n umbers,
s ee
" Extract from
the
s pare
p arts
l ist").
For
r eplacing
t he
g uide
b ar,
c hain,
a nd
s procket
s ee
" PUT-
TING
I NTO
O PERATION".
NOTE:
Don't use a new chain on a worn chain sprocket. By the
time
2
c hains
h ave
w orn,
t he
s procket
h as
b ecome
w orn
out,
s o
i t
s hould
b e
r eplaced
a t
l east
a t
e very
s econd
c hain
replacement.
T o
d istribute
t he
c hain
o il
e venly,
r un
a
n ew
chain
a t
h alf-throttle
f or
a
f ew
m inutes
b efore
u se.
New
chains
stretch,
so
check
the
chain
tension
frequently
(see
" Checking
t he
c hain
t ension").
37