Stihl MSE 140 C-BQ Product Instruction Manual - Page 35

Taking Care of Guide Bar

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English / USA Taking Care of Guide Bar When saw is cold : See "Checking Chain Tension". 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 finishing work : Disconnect plug from power supply. : Always slacken off the chain again after finishing work. The chain contracts as it cools down. If it is not slackened off, it may damage the drive shaft and bearings. 2 3 1 3 : Turn the 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. : Regularly clean the oil inlet hole (1), the oilway (2) and the bar groove (3). : Measure groove depth - with scale on filing gauge* - in area used most for cutting. 001BA119 KN Chain type Picco Rapid Rapid Rapid Pitch 3/8" P 1/4" 3/8"; 0.325" 0.404" Minimum groove depth 0.20" (5.0 mm) 0.16" (4.0 mm) 0.24" (6.0 mm) 0.28" (7.0 mm) If groove depth is less than specified: : Replace the guide bar. The drive link tangs will otherwise scrape along the bottom of the groove - the cutters and tie straps will not ride on the bar rails. * see "Guide to Using this Manual" 34 MSE 140 C, MSE 160 C, MSE 180 C, MSE 200 C

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34
English / USA
MSE 140 C, MSE 160 C, MSE 180 C, MSE 200 C
When saw is cold
:
See “Checking Chain Tension”.
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 finishing work
:
Disconnect plug from power supply.
:
Always slacken off the chain again
after finishing work.
The chain contracts as it cools
down. If it is not slackened off, it
may damage the drive shaft and
bearings.
:
Turn the 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.
:
Regularly clean
the oil inlet hole
(1)
,
the oilway
(2)
and
the bar groove
(3)
.
:
Measure groove depth –
with scale on filing gauge* – in area
used most for cutting.
*
see “Guide to Using this Manual”
If groove depth is less than specified:
:
Replace the guide bar.
The drive link tangs will otherwise
scrape along the bottom of the groove
–
the cutters and tie straps will not ride on
the bar rails.
Taking Care of Guide Bar
2
001BA119 KN
1
3
3
Chain
type
Pitch
Minimum
groove
depth
Picco
3/8“ P
0.20"
(5.0 mm)
Rapid
1/4“
0.16"
(4.0 mm)
Rapid
3/8“; 0.325“
0.24"
(6.0 mm)
Rapid
0.404“
0.28"
(7.0 mm)