Taking Care Of The Guide Bar - Stihl MS 441 C-M Manual De Instrucciones

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Oil pump with increased delivery rate
(available option)
The oil pump with increased delivery
rate can be identified by the groove (2)
in the adjusting screw.
With this oil pump, in setting range a, the
oil tank can run empty before the fuel
tank, thus causing the saw chain to run
dry.
in setting range a, fill the fuel tank
N
only half full or refill the oil tank
when the fuel tank is approximately
half empty
MS 441 C-M

Taking Care of the Guide Bar

2
1
Turn the guide bar over – every time
N
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),
N
the oilway (2) and the bar groove
(3).
Measure the groove depth – with the
N
scale on the filing gauge (special
accessory) – in the area used most
for cutting.
Chain
Chain pitch
Minimum
type
groove depth
Picco
1/4" P
0.16" (4.0 mm)
Rapid
1/4"
0.16" (4.0 mm)
Picco
3/8" P
Rapid
3/8"; 0.325"
Rapid
0.404"
If groove depth is less than specified:
Replace the guide bar.
N
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.
3
English
0.20" (5.0 mm)
0.24" (6.0 mm)
0.28" (7.0 mm)
41

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