Stihl MSA 200 C-BQ Instruction Manual - Page 41

Operating Instructions, Taking Care of the Guide Bar

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English Operating Instructions N During operation, check the level of the chain oil tank frequently - see "Filling chain oil" Checking the chain tension Check chain tension frequently A new saw chain must be retensioned more frequently than one that has been in use already for an extended period. Chain cold Tension is correct when the chain fits snugly against the underside of the bar but can still be pulled easily along the bar by hand. Retension the saw chain if necessary - see "Tensioning the 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 saw chain - see "Tensioning the Chain" After finishing work N Set hand guard to ƒ N Remove the battery from the machine N Slacken off the chain if you have retensioned it at operating temperature during work NOTICE 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 drive shaft and bearings. Long-term storage See "Storing the machine" Taking Care of the Guide Bar 2 3999BA019 KN 3 1 3 N Flip the bar - after each sharpening and each time the chain is changed - to avoid uneven wear, especially at the sprocket nose and on the bottom N Periodically clean the oil inlet hole (1), oil outlet channel (2) and bar groove (3) N Measure groove depth - using the measuring tool on the file gauge (special accessory) - in the area with the greatest wear Chain type Chain pitch Picco 1/4" P Minimum groove depth 0.16" (4.0 mm) If the groove is not at least this deep: N Replace guide bar MSA 160 C, MSA 200 C 39

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MSA 160 C, MSA 200 C
English
39
N
During operation, check the level of
the chain oil tank frequently – see
"Filling chain oil"
Checking the chain tension
Check chain tension frequently
A new saw chain must be retensioned
more frequently than one that has been
in use already for an extended period.
Chain cold
Tension is correct when the chain fits
snugly against the underside of the bar
but can still be pulled easily along the
bar by hand. Retension the saw chain if
necessary – see "Tensioning the 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 saw chain – see
"Tensioning the Chain"
After finishing work
N
Set hand guard to
ƒ
N
Remove the battery from the
machine
N
Slacken off the chain if you have
retensioned it at operating
temperature during work
NOTICE
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 drive shaft and
bearings.
Long-term storage
See "Storing the machine"
N
Flip the bar – after each sharpening
and each time the chain is changed
– to avoid uneven wear, especially
at the sprocket nose and on the
bottom
N
Periodically clean the oil inlet
hole (1), oil outlet channel (2) and
bar groove (3)
N
Measure groove depth – using the
measuring tool on the file gauge
(special accessory) – in the area
with the greatest wear
If the groove is not at least this deep:
N
Replace guide bar
Operating Instructions
Taking Care of the Guide Bar
Chain type
Chain pitch
Minimum
groove depth
Picco
1/4" P
0.16"
(4.0 mm)
3
2
3999BA019 KN
1
3