STIHL MS 880 R MAGNUM Manuel d'instructions Page 36

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MS 880
English
34
Chain cold
Tension is correct when the chain fits
snugly against the underside of the bar
and can still be pulled along the bar by
hand. Retension if necessary – see
"Tensioning the Saw Chain".
Chain at operating temperature
The chain stretches and begins to sag.
The drive links must not come out of the
bar groove – the chain may otherwise
jump off the bar. Retension the chain –
see "Tensioning the Saw Chain".
After long period of full-throttle
operation
Allow engine to run for a short while at
idle speed so that engine heat can be
dissipated by the flow of cooling air. This
protects engine-mounted components
(ignition, carburetor) from thermal
overload.
After finishing work
N Slacken off the chain if you have
retensioned it at operating
temperature during cutting work.
Storing your saw for a short period
Wait for the engine to cool down. To
avoid condensation, fill the fuel tank and
keep the machine in a dry place, well
away from sources of ignition, until you
need it again.
Storing for a long period
See chapter on "Storing the Machine"
Adjustable flow oil pump is a special
option.
Different quantities of oil are required for
different bar lengths, types of wood and
cutting techniques.
Use the adjusting screw (1) (on
underside of machine) to vary the oil
feed rate as required.
Ematic position (E), medium oil flow rate
N turn the adjusting screw to "E"
(Ematic position).
To increase oil feed –
N turn the adjusting screw clockwise.
Turn reduce oil feed
N turn the adjusting screw
counterclockwise.
Always slacken off the chain after
finishing work. The chain
contracts as it cools down. If it is
not slackened off, it can damage
the crankshaft and bearings.
The chain contracts as it cools
down. If it is not slackened off, it
can damage the crankshaft and
bearings.
Oil Quantity Control
The chain must always be wetted
with a film of lubricant.
001BA157 KN
1
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