Stihl MS 210 Instruction Manual - Page 44

Taking Care of the Guide Bar

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English Chain cold Tension is correct when the chain fits snugly against the underside of the bar but 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 on the underside of the bar - the chain may otherwise jump off the bar. Retension the chain - see "Tensioning the Saw Chain". NOTICE The chain contracts as it cools down. If it is not slackened off, it can damage the crankshaft and bearings. After a long period of full-throttle operation After a long period of full-throttle operation, allow engine to run for a while at idle speed so that the heat in the engine can be dissipated by flow of cooling air. This protects enginemounted components (ignition, carburetor) from thermal overload. After finishing work N Slacken off the chain if you have retensioned it at operating temperature during work. NOTICE Always slacken off the chain again after finishing work. The chain contracts as it cools down. If it is not slackened off, it can damage the crankshaft and bearings. Short-term storage Wait for engine to cool down. Keep the machine with a full tank of fuel in a dry place, well away from sources of ignition, until you need it again. Long-term storage See "Storing the machine" Taking Care of the Guide Bar 2 143BA026 KN 1 3 N Turn the guide bar over - every time you sharpen the chain and every time you replace the chain - this helps avoid one-sided wear, especially at the nose and underside of the bar. N Regularly clean the oil inlet hole (1), the oilway (2) and the bar groove (3). N Measure the groove depth - with the scale on the filing gauge (special accessory) - in the area used most for cutting. 42 MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C

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MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C
English
42
Chain cold
Tension is correct when the chain fits
snugly against the underside of the bar
but 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 on the underside of the bar –
the chain may otherwise jump off the
bar. Retension the chain – see
"Tensioning the Saw Chain".
NOTICE
The chain contracts as it cools down. If it
is not slackened off, it can damage the
crankshaft and bearings.
After a long period of full-throttle
operation
After a long period of full-throttle
operation, allow engine to run for a while
at idle speed so that the heat in the
engine can be dissipated by 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 work.
NOTICE
Always slacken off the chain again after
finishing work. The chain contracts as it
cools down. If it is not slackened off, it
can damage the crankshaft and
bearings.
Short-term storage
Wait for engine to cool down. Keep the
machine with a full tank of fuel in a dry
place, well away from sources of
ignition, until you need it again.
Long-term storage
See "Storing the machine"
N
Turn the guide bar over – every time
you sharpen the chain and every
time you replace the chain –
this
helps avoid one-sided wear,
especially at the nose and
underside of the bar.
N
Regularly clean the oil inlet hole (1),
the oilway (2) and the bar groove
(3).
N
Measure the groove depth – with the
scale on the filing gauge (special
accessory) – in the area used most
for cutting.
Taking Care of the Guide Bar
2
3
1
143BA026 KN