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Oil pump setting for increased oil
delivery rate
Frequent checking and refilling of the oil
tank is necessary – see "Adjusting oil
quantity".
Refill the chain oil tank when the fuel
N
tank is approximately half empty
All oil pump settings
Take care not to spill chain oil during
refilling and do not overfill the tank.
STIHL recommends use of the STIHL
filling system for chain oil (special
accessory).
Close filler cap
N
There must still be a small amount of
chain oil in the oil tank when the fuel tank
is empty.
If the oil tank is still partly full, the reason
may be a problem in the oil supply
system: Check chain lubrication, clean
the oil passages, contact your servicing
dealer for assistance if necessary.
STIHL recommends that maintenance
and repair work be carried out only by
authorised STIHL dealers.
24
Checking Chain Lubrication
The saw chain must always throw off a
small amount of oil.
NOTICE
Never operate your saw without chain
lubrication. If the chain runs dry, the
whole cutting attachment will be
irretrievably damaged within a very short
time. Always check chain lubrication and
the oil level in the tank before starting
work.
Every new chain has to be broken in for
about 2 to 3 minutes.
After breaking in the chain, check chain
tension and adjust if necessary – see
"Checking Chain Tension".
Chain Brake
Locking the chain
–
in an emergency
when starting
–
–
at idling speed
The chain brake is activated by pushing
the hand guard toward the bar nose with
your left hand – or by inertia in certain
kickback situations: The chain is
stopped and locked.
MS 651
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