Taking Care of the Guide
Bar
2
1
N
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.
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.
Chain type Pitch
Picco
3/8" P
Rapid
1/4"
Rapid
3/8"; 0.325" 6.0 mm
Rapid
0.404"
MS 441 C-M
If groove depth is less than specified:
N
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.
3
Minimum
groove depth
5.0 mm
4.0 mm
7.0 mm
Air Filter System
The air filter system can be adapted to
different operating conditions by the
insertion of different air filters.
Retrofitting is simple.
N
HD2 filter (black filter frame, pleated
filter fabric) for normal, dry or
extremely dusty operating
environments
N
HD air filter (black filter housing)
with felt prefilter for normal, dry or
very dusty operating environments
English
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