22
Top: Tensioning the Oilomatic chain
Bottom: Checking chain tension
Now tension the Oilomatic chain
by
turning the tensioning
screw
(5)
clockwise, making sure that the drive link tangs
are lined up with the bottom groove of the bar. Hold the bar
nose (8) up and turn tensioning screw (5) until the Oilo-
matic chain
is
properly seated
on
the underside of the
bar.
While still holding the bar nose
up,
tighten the collar nut
(1)
securely.
The Oilomatic chain is correctly tensioned when it fits
snugly on the underside of the bar but can still be pulled
easily around the bar.
Chain
Brake
(Quickstop model only)
Chain brake engaged
The chain brake is actuated by means of the front hand
guard.
Engaging the chain brake
When the hand guard
is
moved towards the nose of the
guide bar the actuating lever automatically unlatches the
brake lever and the spring-assisted brake band is clamped
round the clutch drum at the same instant. This causes the
sawchaintoibebrought
to
astandstilland locked
in
position.
Releasing the chain brake
"
The locked saw chain must be released before cutting can
be continued.
To
do this, pull the hand guard back against
the handlebar - this disengages the brake band from the
clutch drum.
Important: Apart from starting and emergencies, the
chain brake may be engaged only when the saw is 'idling.
The chain brake
is
subject
to
normal wear.
!It
is therefore
necessary
to
have
it
regularly serviced and maintained
by
trained personnel, (STIHL servicing dealer)
to
insure that it
is always in good working order.
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