Stihl 056 Instruction Manual - Page 24

Cutting Attachment

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Cutting Attachment 1 Oil inlet holes 2 Fixing holes ,...-- ",- - ~ 1t 2 u .. l.., -t • • 12 The cutting attachment of a chain saw consists of the guide bar, saw chain and chain sprocket. Guide bar The nose and underside of the guide bar are subjected to particular high stress and strain. To avoid one-sided wear, turn the guide bar over every time you resharpen or replace the chain. Regular cleaning of the oill inlet holes and the guide bar groove is also very important. On Rollomatic bars the sprocket nose bearing must be greased regularly with the grease gun supplied with the bar. Under normal conditions it should be greased once daily. Only use high grade grease for refilling the grease gun, e. g. Refill Tube 0781120 1111. To grease the sprocket, place the saw on its side so that the bar nose is firmly supported. Clean the grease holes and then pump in the grease while slowly pulling the chain around the bar (sprocket turns) so that the bearing is uniformly filled. When grease emerges from the grease hole on the other side of the bar or around the sprocket, repeat the same procedure on the other side. If the cutting attachment is used predominantly in wet conditions, e. g. cutting in snow, the sprocket nose should be greased more often. Moreover, to prevent corrosion the sprocket nose should be thoroughly greased from both sides after finishing work in order to force moisture out of the bearing. The guide bar can be examined for signs of wear at the same time. A minimum groove depth of 7 mm (0.28 in) must be maintained in order to avoid the drive link tangs scraping the bottom of the groove (the cutters and lie straps would not be able to run on the guide bar rails). Chain lubrication ""- Never operate your saw without chain lubricating oil. Check function of chain oiling system and oil level in the tank before starting work. This depth should be measured at the spot where the bar is stressed most, i. e. the bar nose on Duromatic bars and the area with which most cutting is done on Rollomatic bars. The guide bar must be replaced if the minimum depth 22 cannot be maintained. Hold chain saw with mounted cutting attachment over a light background. Take care, the Oilomatic chain must not touch the ground, i. e. keep it at least 20 cm (8 in) clear of the ground. Run the engine with half-throttle position. If an increasing patch of oil can be seen, chain lubrication is operating correctly.

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Cutting Attachment
1 Oil inlet
holes
2
Fixing holes
2
,...--
",-
-
u
~
..
l..,
1
-t
t
•
•
1
2
The cutting attachment of a chain saw consists of the guide
bar, saw chain and chain sprocket.
Guide bar
The nose and underside of the guide bar are subjected
to
particular high stress and strain.
To
avoid one-sided wear,
turn the guide bar over every time you resharpen or replace
the chain. Regular cleaning
of
the
oill
inlet holes and the
guide bar groove is also very important.
The guide bar can be examined for signs of wear at the
same time. A minimum groove depth of 7
mm
(0.28 in) must
be
maintained
in
order to avoid the drive link tangs scra-
ping the bottom of the groove (the cutters and
lie
straps
would
not
be able to run on the guide bar rails).
This depth should be measured at the spot where the bar is
stressed most,
i.
e.
the bar nose on Duromatic bars and the
area with which most cutting is done on Rollomatic bars.
The guide bar must be replaced if the minimum depth
22
cannot be maintained.
On Rollomatic bars the sprocket nose bearing must be
greased regularly with the grease gun supplied with the
bar. Under normal conditions it should be greased once
daily. Only use high grade grease for refilling the grease
gun,
e.
g.
Refill Tube 0781120
1111.
To
grease the sprocket, place the saw on its side so that the
bar nose is firmly supported. Clean the grease holes and
then pump
in
the grease while slowly pulling the chain
around the bar (sprocket turns) so that the bearing is uni-
formly filled. When grease emerges from the grease hole
on the other side of the bar or around the sprocket, repeat
the same procedure on the other side.
If the cutting attachment
is
used predominantly
in
wet
conditions,
e.
g.
cutting
in
snow, the sprocket nose should
be greased more often. Moreover,
to
prevent corrosion the
sprocket nose should be thoroughly greased from both
sides after finishing work
in
order
to
force moisture out of
the bearing.
Chain lubrication
""-
Never operate your saw without chain
lubricating oil.
Check function of chain oiling system and oil level
in
the
tank before starting work.
Hold chain saw with mounted cutting attachment over a
light background. Take care, the Oilomatic chain must not
touch the ground,
i.
e.
keep it at least 20 cm
(8
in) clear of
the ground. Run the engine with half-throttle position.
If
an increasing patch of oil can be seen, chain lubrication
is operating correctly.